• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    METHOD OF PROVISION OF A PATIENT SPECIFIC DENTAL FITTING ARRANGEMENT TO THE PATIENT The present invention relates to a method of providing a patient specific dental fitting fitting arrangement, such as a dental pin. According to the method, an arrangement is provided, which can only be arranged in a rotational position with respect to an accessory in a patient's jaw bone. The arrangement is designed based on the orientation and inclination of the accessory with respect to the jaw bone. The present invention also relates to a dental implant accessory, comprising a dental accessory and a permanent dental restoration provided with a corresponding indexing means.
    公开号:BR112013009184B1
    申请号:R112013009184-3
    申请日:2011-10-19
    公开日:2020-11-24
    发明作者:Mats Wendel；Johan Holmstrom；Mattias Dahlstrom
    申请人:Dentsply Ih Ab；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [001] The present invention relates to a method of providing a fitting arrangement of dental accessory specific to a patient, which accessory must be housed by means of a dental accessory installed in a jaw or mandible. A dental accessory fitting arrangement can, for example, be a dental pin, a prosthesis, a permanent dental restoration, a dental curing component, etc. The present invention also relates to a dental implant accessory, comprising a dental accessory and a permanent dental restoration. BACKGROUND OF THE TECHNIQUE
    [002] Dental implant systems are widely used to replace damaged or lost natural teeth. In such systems, a dental accessory is placed on a patient's jaw bone in order to replace the natural tooth root. A pin structure comprising one or more parts can then be attached to the accessory in order to build a core for the part of the prophetic tooth that protrudes from the bone tissue, through the soft gingival tissue into the patient's mouth. On said pin, the prosthesis or crown can finally be fixed firmly in place.
    [003] The final prosthesis must be dimensioned and configured in order to fit naturally in the patient's remaining teeth, both for functional and aesthetic purposes. For this purpose, a dental prosthetic can try a suitable prosthesis for a specific patient, using a model of the patient's jaw, said model including the accessory. The dental prosthetic can also modify a prefabricated pin to match the contour of the gingival soft tissue.
    [004] Thus, when producing the pin and the prophetic tooth, the dental technician takes into account the surrounding tissue and the adjacent teeth. The dentist houses the pin and the prophetic tooth as an integral unit or as separate parts to be mounted in the patient's oral cavity. Often, the dentist who houses the pin and the prophetic tooth will be able to understand how the pin should be rotated with respect to the accessory in order to obtain the alignment as intended by the dental technician. However, it can sometimes be difficult for the dentist to understand the correct orientation and, of course, there may be a risk that the dentist will simply neglect or ignore the correct rotational orientation of the pin with respect to the accessory.
    [005] An objective of the present invention is to minimize the risk of a dentist connecting a dental pin to a dental accessory with a different rotational orientation than the one intended by the dental prophet.
    [006] It is also an objective of the present invention to reduce the risk of a dentist placing a prosthesis (a prophetic tooth) with a different rotational orientation than that intended by the dental prophetic.
    [007] These and other objects, which will become evident in the follow-up, are obtained through the method as defined in the attached claims. SUMMARY OF THE INVENTION
    [008] The present invention is based on the knowledge that having only a single rotational orientation available for a dental accessory fitting arrangement (for example, a pin, a prosthesis, a healing component, etc.) when connected to an accessory, it is impossible for a dentist to inadvertently place the accessory fitting arrangement in a different rotational orientation than the dental prosthetic intended.
    [009] In accordance with a first aspect of the present invention, a method of providing a patient-specific dental fitting arrangement is provided, the method comprising: - determining, for an implant site in the jaw or mandible in which a dental accessory with a first indexing means is or will be inserted, an inclination of the accessory with respect to the jaw bone and the rotational orientation of said first indexing means with respect to the jaw bone, - the determination, with based on the determined inclination of the accessory and the rotational orientation of said first indexing means, in a form of a first portion of a dental accessory fitting arrangement and the rotational orientation of said first portion with respect to the accessory, -the provision of a dental accessory fitting arrangement comprising: -a second accessory fitting portion provided with a second indexing means that can only fit in said first insertion means dexation in a rotational position of the second portion with respect to the attachment, and -a first portion having said determined shape and which is in a rotational position such with respect to said second indexing means so that said determined rotational orientation of the first portion is obtained when the second fitting fitting portion of the dental fitting fitting arrangement is connected to the dental fitting.
    [0010] Therefore, when providing an accessory fitting arrangement with an accessory fitting portion that can only be connected to the dental accessory in a rotational direction and having information about the inclination and the rotational position of the accessory in the oral cavity, the first portion of the accessory fitting arrangement can be custom-made by a dental technician (or by any prosthetic who provides an accessory fitting arrangement) without the risk of the dentist coming, to connect it incorrectly to the accessory implanted in the patient.
    [0011] In addition to receiving information about the inclination and the rotational position of the accessory, according to at least one exemplary modality, the height / depth of the first indexing means in relation to the jaw bone is also determined. In addition, the lingual and / or mesiodistal vestibule position of the attachment with respect to the jaw bone and any adjacent teeth can be determined.
    [0012] The step of determining the shape and orientation of said first portion of the accessory fitting arrangement should not necessarily be carried out prior to the current step of providing the accessory fitting arrangement. This step can, in fact, be done substantially simultaneously, for example, when a blank is inserted into a jaw model and the blank is machined into a shape that fits well into the adjacent teeth and gums.
    [0013] The determination of the inclination of the accessory and the rotational orientation of said first indexing means (and, optionally, the height / depth mentioned above and / or the lingual and / or mesiodistal vestibule positions of the accessory) can be obtained by means of an intraoral impression obtained from the implant site. In this way, according to at least one exemplary modality, the method comprises: - the accommodation of an intraoral impression of an implant site in the jaw or mandible, in which a dental accessory equipped with a first indexing means is inserted, with one inclination of the accessory with respect to the jaw bone and the rotational orientation of said first indexing means with respect to the jaw bone is producible from said impression.
    [0014] Said impression may also be a physical impression, that is, a impression material is applied to the implant site and the surrounding teeth, and then the impression material is allowed to harden, in order to imitate the shape of the teeth. However, said molding may, alternatively, be a digital (optical) molding provided by means of an electronic digitizing device. In the latter case, a data set could provide a representation of the implant site and adjacent teeth. Said data set can be viewed as an image over a user interface, such as a screen associated with a computer. Examples of electronic scanning devices that can be used are the different types of 3D scanners. For example, a 3D contact scanner can scan the implant site with a physical touch. A CCM (coordinate measuring machine) is an example of a 3D contact scanner. Alternatively, an active non-contact scanner can be used, such as a laser scanner or a light scanner. Another alternative is passive non-contact scanning, such as a stereoscopic system, which can include two camcorders slightly apart. Another alternative is the CT scan (from Computed Tomography).
    [0015] An alternative for obtaining an impression of an implant site for determining the inclination of the inserted accessory and the rotational orientation of said first indexing means is to determine such inclination and such rotational orientation before inserting the accessory into the bone of the jaw. For example, the direction of the hole in the jaw bone into which the accessory should be inserted can be properly pre-planned, as well as the depth of the hole. It is also possible to plan in advance in which orientation the first means of indexing the accessory should be arranged when the accessory is implanted. For example, when a driver with a second indexing means that can only fit the first indexing means of the accessory in a rotational position, the rotational orientation of the first indexing means can be derived, for example, through a distinctive marking on the driver. This way, when the accessory is directed into the hole that was prepared with the planned inclination, the dentist may, when installing the accessory in the hole, decide, when looking at the distinctive mark on the driver when the first indexing means is in the planned rotational position. Since both the inclination of the accessory and the rotational orientation of the first indexing means can be planned in advance, it becomes effectively possible to provide the dentist with the accessory and the accessory fitting arrangement (for example, the pin, the restoration permanent, etc.) at once.
    [0016] Thus, according to at least one exemplary embodiment of the present invention, the step of determining the inclination of the accessory comprises determining a desired inclination of a hole in the jaw bone for the accommodation of the accessory, and the step of determining the rotational orientation of the first indexing means comprises determining a desired rotational orientation of the first indexing means of an accessory inserted in said hole.
    [0017] Regardless of the fact that the step of determining the inclination of the accessory and the rotational orientation of said first indexing means is pre-planned before the installation of the accessory, or based on a received impression that may be a physical impression or a digital impression, the induced information can be used to provide a model of the implant site.
    [0018] In this way, according to at least one exemplary embodiment of the present invention, the method comprises the provision of a model of the implant site with adjacent teeth in the jaw based on said determined inclination of the accessory and the rotational orientation of said first indexing means, the model comprises a replica of the accessory having the corresponding inclination and orientation of the first indexing means in relation to the model, since the accessory has or will be related to the jaw bone. The model can be a physical model, for example, made of plastic, plaster, etc. The accessory replica can be a separate part that is installed on the rest of the model. Alternatively, the accessory replica can be made of the same material as the rest of the model, for example, when the model is formed through concreting or machining based on a data file. As another option, instead of having a physical model, the model can be digital. A digital model can be obtained by first digitizing the oral cavity in order to capture a digital impression, and then enter the data representing the impression. digital in a CAD program. The replica of the accessory in the digital model will therefore be a virtual accessory, or at least part of a virtual accessory comprising said first indexing means.
    [0019] According to at least one exemplary embodiment, said steps of determining the shape and rotational orientation of a first portion and said step of providing the first portion with the given shape and rotational orientation are performed with a fitting arrangement of accessory or a blank for an accessory fitting arrangement having said second indexing means and connected to the accessory replica. In this way, an accessory fitting arrangement or a blank can be installed in a traditional physical model, including a replica accessory. The dental prosthetic can then form said first portion of the accessory fitting arrangement, as it / she considers appropriate.
    [0020] Instead of manually shaping the accessory fitting arrangement, an alternative would be to determine the shape with, for example, a CAD program. In this way, according to at least one exemplary modality, the model formed is digitized, and the digitized model is transformed into a three-dimensional digital image, the said step of determining a shape and the rotational orientation of a first portion being performed based on the three-dimensional image. The three-dimensional image not only allows the accessory fitting arrangement, such as a pin, to be designed from a computer, but also that the shape of the final tooth can be designed in such a way. In this way, when the shape of the tooth is decided, the pin can be designed, and then the pin can be produced according to the drawing. As an alternative to digitizing the model, it would be conceivable to digitize the physical impression in question and from there create a digital model and determine the shape of the pin.
    [0021] As an alternative to digitizing a physical model, it would be conceivable to create a virtual model, for example, a three-dimensional CAD model based on data entry representing a digital impression. Therefore, according to at least one exemplary modality, the said step of determining the inclination of the accessory and the rotational orientation of said first indexing means is based on a digital impression obtained through an intraoral scan, and said step determining the shape and rotational orientation of a first portion is performed on a computer as a three-dimensional CAD model.
    [0022] According to at least one exemplary modality, the said steps of provision of a fitting arrangement of dental accessory and provision of the first portion with said determined shape, comprise the entry of the data of the CAD model (drawing aided by computer) in CAM software (computer aided manufacturing), and -the control of an accessory fitting arrangement formation process with said CAM software, with the formation processes being selected from the group consisting of: a) an additive fabrication, such as a melted deposition or laser sintering, and b) a subtractive fabrication, such as machining or milling a blank.
    [0023] An accessory fitting arrangement can be precisely machined from a solid blank. The blank can have a prefabricated indexing means, or alternatively, the indexing means can be formed during the processing of the blank. An accessory fitting arrangement in the form of a pin can be precisely machined from a solid blank, for example, a medical grade titanium alloy or zirconia.
    [0024] According to at least one exemplary embodiment, said second indexing means is provided as an irregular shape of the second accessory fitting portion so that said second indexing means can only fit in a single rotational orientation in the said first indexing means which is provided as a corresponding irregular shape. According to at least one other example of modality, said second indexing means is provided as one or more recesses or protrusions in said second portion of the accessory fitting arrangement so that said second indexing means can only be fit in a single rotational orientation in said first indexing means which is provided, respectively, as one or more corresponding projections or recesses.
    [0025] As mentioned above, the dental accessory fitting arrangement can, for example, be a dental pin, a dental prosthesis, a permanent dental restoration or a dental curing component. Alternatively, the accessory may be a combination of two or more of said examples, or a combination of at least one of said examples, in conjunction with some other product.
    [0026] In this way, according to at least one exemplary embodiment, the accessory fitting arrangement is a dental pin, in this case, said first portion can be suitably a prosthetic receiving portion of the dental pin and said second portion it may suitably be an accessory fitting portion of the dental pin.
    [0027] In at least one exemplary alternative embodiment, the accessory fitting arrangement comprises a dental pin, said first portion may be a part of the pin or a part of another component, and said second portion may be the accessory fitting portion of the dental pin.
    [0028] According to at least one exemplary modality, the dental accessory fitting arrangement comprises a dental pin and a dental prosthesis, said first portion being the prosthesis, said second portion being a fitting portion of accessory of the dental pin, the method comprising the provision of the prosthesis with said determined shape and, in such a rotational orientation with respect to said second indexing means so that, when the prosthesis is connected to a prosthesis receiving portion of the pin, add determined rotational orientation of the prosthesis is obtained when the accessory fitting portion of the dental pin is connected to the dental accessory.
    [0029] According to at least one exemplary modality, said fitting arrangement of dental accessory is a definitive dental restoration comprising said first and second portions.
    [0030] According to at least one exemplary embodiment, said dental accessory fitting arrangement is a dental curing component in order to support the gingiva, in which said first portion is a gingiva supporting portion of the curing component dental, and wherein said second portion is an accessory fitting portion of the dental curing component.
    [0031] According to a second aspect of the invention, a method of providing a specific dental pin to a patient is provided. The method comprises: -determination, for an implant site in the jaw or mandible in which a dental accessory with a first indexing means is or will be inserted, an inclination of the accessory in relation to the mandible bone and the rotational orientation of said first means of indexing with respect to the jaw bone, (and, optionally, the height / depth and / or the lingual and / or mesiodistal vestibule positions of the accessory), -the determination, based on the determined inclination of the accessory and in the rotational orientation of said first indexing means, in the form of a prosthetic receiving portion of a dental pin and the rotational orientation of the prosthetic receiving portion with respect to the accessory, -the provision of a dental pin comprising: - an accessory fitting portion provided with a second indexing means that can only fit in said first indexing means in a rotational position of the accessory fitting portion with respect to the accessory, and -a prosthetic receiving portion having said determined shape and which is in a rotational position such with respect to said second indexing means so that said determined rotational orientation of the prosthetic receiving portion is obtained when the fitting portion of the dental pin attachment is connected to the dental attachment.
    [0032] Therefore, when providing a pin with an accessory fitting portion that can only be connected to the dental accessory in a rotational direction and having information about the inclination and the rotational position of the accessory in the oral cavity, the The prosthesis receiving portion of the pin can be custom-made by a dental technician (or by any prosthetic who provides the pin) without the risk that the dentist will then connect it incorrectly to the accessory implanted in the implant. patient.
    [0033] The stage of determining the shape and orientation of the prosthesis receiving portion of the pin should not necessarily be performed before the stage of provision of the pin. This step can, in fact, be done in a substantially simultaneous manner, for example, when a pin blank is inserted into a jaw model and the pin is manufactured in a shape that perfectly matches the adjacent teeth and gums.
    [0034] According to at least one exemplary modality, said steps of determining the shape and rotational orientation of a prosthesis receiving portion and said step of providing the prosthesis receiving portion with the given shape and rotational orientation is made with a pin or pin blank provided with said second indexing means and connected to the accessory replica. Therefore, a pin or pin blank can be installed on a traditional physical model, including a replica accessory. The dental technician may, in this case, shape the prosthesis receiving portion of the pin as he or she deems appropriate. For example, some of the material may be cut to provide an inclination or height of the prosthetic receiving portion that will form an appropriate core for a prophetic tooth and make the prophetic tooth fit aesthetically in the adjacent teeth.
    [0035] As is easily understood, the method according to the second aspect of the present invention can comprise any of the exemplary characteristics, steps and modalities described in the present document with respect to the first aspect of the present invention.
    [0036] According to a third aspect of the present invention, a method of providing a patient-specific dental prosthesis is provided, the method comprising: - determining, for an implant site in the jaw or mandible in which an accessory tooth equipped with a first indexing means is or will be inserted, with an inclination of the accessory in relation to the jaw bone and the rotational orientation of said first indexing means in relation to the jaw bone, (and, optionally, the height / depth and / or the lingual and / or mesiodistal flap positions of the accessory), - the determination, based on the determined inclination of the accessory and the rotational orientation of said first indexing means, of a shape of a dental prosthesis and the rotational orientation of the prosthesis with respect to the accessory, -the provision of a dental pin comprising a prosthesis receiving portion and an accessory fitting portion provided with a second indexing means that can only fit said first indexing means in a rotational position of the fitting fitting portion with respect to the accessory, and the provision of the prosthesis with said determined shape and being in a rotational position such with respect to said second indexing mode so that when the prosthesis is connected to the prosthesis receiving portion of the pin, said determined rotational orientation of the prosthesis is obtained when the accessory fitting portion of the dental pin is connected to the dental accessory.
    [0037] Therefore, the method according to the third aspect of the present invention does not require a modification or determination of the shape of the pin on which the prosthesis must be located. Instead, this aspect concerns the shape and orientation of the prosthesis. When having a specific orientation of the prosthesis with respect to the second means of indexing the pin, and making the second means of indexing the pin only fit in a rotational orientation with the first means of indexing the accessory, the incorrect positioning prosthesis in the oral cavity can be avoided. Although the third aspect does not require a pin modification, any pin formation may be optional. Therefore, the method according to the third aspect of the present invention can comprise any of the exemplary characteristics, steps and modalities described in the present document with respect to the first and second aspects of the present invention.
    [0038] In accordance with a fourth aspect of the present invention, a method of providing a patient-specific permanent dental restoration is provided, the method comprising: -determination for an implant site in the jaw or mandible in which a dental accessory provided with a first indexing means is or will be inserted, an inclination of the accessory with respect to the jaw bone and the rotational orientation of said first indexing means with respect to the jaw bone (and optionally at height / depth and / or the lingual and / or mesiodistal vestibule positions of the accessory), - the determination, based on the determined inclination of the accessory and the rotational orientation of said first indexing means, of a form of a permanent dental restoration and the rotational orientation of the dental restoration definitive with respect to the accessory, -the provision of a definitive dental restoration comprising an accessory fitting portion provided with a second means of and indexing that can only fit in said first indexing means in a rotational position of the fitting fitting portion with respect to the accessory, and -the provision of the final dental restoration with said shape determined in a rotational orientation such with respect to said second indexing means so that, when the final dental restoration is connected to the accessory, said second determined rotational orientation of the permanent dental restoration is obtained when the accessory fitting part of the final dental restoration is connected to the accessory.
    [0039] Therefore, the method according to the fourth aspect of the present invention does not require a pin for housing the final dental restoration. Instead, the final dental restoration can be attached directly to the attachment, without an intermediate pin. However, it should be noted that a definitive dental restoration may comprise a part of a post on which the restorative material is built either directly or through an intermediate transfer, thus forming an integral component that can be connected to the accessory. As an alternative, the definitive dental restoration does not include a post part, but only a mass of restorative material, possibly arranged on a transfer. The accessory may be of a trans-gingival type, that is, designed to extend above the jaw bone and through the gum or below the gum, or even below the crystal, that is, it is designed to be fully below the level of the bone. The definitive dental restoration can be connected both externally on the accessory and internally to the accessory, for example, on an accessory socket.
    [0040] The method according to the fourth aspect of the present invention can comprise any of the exemplary characteristics, steps and modalities described in this document with respect to the previous aspects of the present invention, as long as they are compatible with the fourth aspect. For example, an oral digital scan can be used and the determination of the shape and rotational orientation of the final restoration can be performed on a computer as a three-dimensional CAD model.
    [0041] According to a fifth aspect of the present invention, a dental implant accessory is provided, comprising: -a dental accessory for insertion into the jaw bone, the accessory having a first indexing means, and -a definitive dental restoration having a second indexing means that can only fit in said first indexing means in a rotational position of the final restoration with respect to the accessory. The final dental restoration can be formed and connected to the accessory as described above with respect to the fourth aspect of the present invention.
    [0042] In accordance with a sixth aspect of the present invention, a method of providing a patient-specific dental curing component in order to support the gingiva is provided, the method comprising: - determining, for an implant site in the maxillary or mandible in which a dental accessory with a first indexing means is or will be inserted, an inclination of the accessory with respect to the mandible bone and the rotational orientation of said first indexing means with respect to the mandible bone, ( and optionally the height / depth and / or the lingual and / or mesiodistal vestibule positions of the attachment), - the determination, based on the determined inclination of the attachment and the rotational orientation of said first indexing means, in a form of a portion of gum support of a dental curing component and the rotational orientation of the gum support portion with respect to the accessory, -the provision of a dental curing component comprising: -a fitting portion x and an accessory provided with a second indexing means that can only fit in said first indexing means in a rotational position of the accessory fitting portion with respect to the accessory, and -a gingiva support portion having the said shape- finished and in a rotational position with respect to said second indexing means so that said determined rotational orientation of the gum support portion is obtained when the fitting portion of the dental curing attachment is connected to the dental accessory .
    [0043] Therefore, the method according to the sixth aspect of the present invention takes into account the possibility of first shaping the gum during a curing face by means of a curing component against which the gum will overlap, before connect a "permanent" pin or prosthesis to the accessory. The healing component may be in the form of a simple healing cap, or in the form of a healing pin. Its gingiva support portion (gum conformation) is appropriately chosen based on a desired shape of a cured gum.
    [0044] The method according to the sixth aspect of the present invention can comprise any of the exemplary characteristics, steps and modalities described in this document with respect to the previous aspects of the present invention, as long as they are compatible with the sixth aspect.
    [0045] According to a seventh aspect of the present invention, a method of providing a specific dental pin to a patient is provided, the method comprising: -the insertion of a dental accessory provided with a first indexing means in a jaw or mandible, - the determination, before, during or after said insertion of the dental accessory, of an inclination of the accessory with respect to the mandible bone and the rotational orientation of said first indexing means in relation to the mandible bone (and, optionally, the height / depth and / or the lingual and / or mesiodistal vestibule positions of the attachment), - the determination, based on the determined inclination of the attachment and the rotational orientation of said first indexing means, in a form of a receiving portion of prosthesis of a dental pin and the rotational orientation of the receiving portion of the prosthesis with respect to the accessory, -the provision of a dental pin comprising: -a fitting portion with a second half indexing io that can only fit in said first indexing means in a rotational position of the fitting fitting portion with respect to the accessory, and - a prosthesis receiving portion having said shape determined and that is in a rotational position such as with respect to said second indexing means so that said determined rotational orientation of the receiving portion of the prosthesis is obtained when the fitting portion of the dental pin is connected to the dental accessory.
    [0046] The method according to the seventh aspect of the present invention can comprise any of the characteristics, steps and exemplary modalities described in the present document with respect to the previous aspects of the present invention, as long as they are compatible with the seventh aspect.
    [0047] It should be understood that, in the present invention, a dental implant can comprise a dental accessory and a superstructure, such as a pin.
    [0048] A dental accessory must be used as the anchoring element of a dental prosthesis. For this purpose, the dental accessory is inserted into a pre-prepared hole in the bone tissue of a jaw (maxilla or mandible) in a place where the dental prosthesis is needed. The dental accessory is usually rotated into the hole.
    [0049] For screw-type dental accessories, the hole can be provided with internal threads in advance or it can be left unthreaded with the dental accessory provided with a self-tapping capacity, for example, by providing one or more cutting recesses extending axially, edges or grooves, etc. on the accessory thread. For example, an apical end portion of the attachment may be provided with two to four cutting recesses, such as, for example, three cutting recesses. Another number of cutting recesses is readily conceivable.
    [0050] A superstructure for connecting a prophetic piece to the accessory may comprise a pin, spacer, or other transmucosal component that fits into the dental accessory in order to fill the gum that covers the jaw or mandible. The prosthetic part, for example, a crown, bridge, or denture, can be attached to the pin. There are several other shapes that the superstructure can take. For example, the prosthetic part can be attached directly to the dental accessory. A dental implant may therefore comprise a pin attached to the dental accessory, or the dental accessory without a pin.
    [0051] The term "coronal" is here and throughout this application used to indicate a direction to one end of the head or to a rear end of the dental implant. For example, in a situation where a pin is connected to a dental accessory, the coronal direction of the pin would be in a direction towards the part of the pin that is directed away from the accessory. On the other hand, the term "apical" indicates a direction towards an insertion end of the component. In this way, apical and coronal are opposite directions. In addition, the term "axial direction" or "axially" is used throughout the present application to indicate a direction taken from the ex-coronal tremor to the apical end, or vice versa. The term "radial direction" or "radially" indicates a direction perpendicular to the axial direction.
    [0052] A blind hole or socket can extend from the apex into the accessory body from the coronal end to an end surface between the apical and coronal ends of the accessory body for a superstructure to be attached to the accessory. The socket can comprise an internally threaded section for a screw connection of the superstructure to the accessory. A socket section, such as the coronal section, can be tapered towards the apical end. This conical section is properly arranged in the crown direction of the internally threaded section.
    [0053] A first indexing means can be provided on an internal wall in an accessory socket, the fitting portion of a dental component being adapted to be housed in said socket. Alternatively, the first indexing means it can be provided on an external wall of a head portion that must be closed by a dental component connectable to the accessory. Although this internal / external distinction is made between the socket and the head portion, it should be noted that a head portion should not necessarily have an external wall for receiving the fitting portion of the dental component. On the contrary, a head portion may be provided with an internal socket. In this way, all the exemplified embodiments that describe a socket may be in the form of a socket on a head portion of a dental accessory.
    [0054] The accessory can be used in a one-stage procedure or in a two-stage procedure. In a one-stage procedure, a healing or temporary pin is connected to the accessory in order to form the gingival tissue and, after a curing period, the curing or provisional pin is replaced by a permanent pin. For a two-stage procedure, the accessory is provided with a closure screw and the gingival tissue is sutured over the accessory and the closure screw and, after a period of healing, the tissue is opened and a pin is connected to the accessory after removing the closing screw.
    [0055] The accessory may have a conical tapered end portion that tapers towards the coronal end. The axial extension of this coronal end portion is small compared to the total length of the fitting, as an example, not greater than 4% of the total length, such as in the range of 1.5% to 3.7%. The coronal end portion can be suitably provided without a threaded surface, for example, having a smooth or rough (for example, sanded) surface.
    [0056] The accessory may have a substantially flat coronal end surface that is perpendicular to the longitudinal axis of the accessory. Alternatively, the coronal end surface may have an inclined contour with respect to the longitudinal axis of the attachment, for example, such that, when placed inside the jaw bone, the length of the attachment becomes longer on a lingual side and smaller on a buccal side of the accessory. Another alternative will be a coronal edge surface in the form of a saddle or wave.
    [0057] The length of the dental accessory can be in the range of 5 to 19 mm, depending on the clinical situation. The external diameter of the dental accessory can conveniently be in the range of 2 to 6 mm, for example, 3 to 5 mm.
    [0058] The accessory can be substantially cylindrical or slightly tapered from the coronal end to the apical end. When the accessory has a small taper, the accessory core and the outer periphery defined, for example, by screw tops, may have the same angle or a different angle of inclination. In addition, the accessory core can be cylindrical, while the screw tops describe a taper or, in contrast, the accessory core can be tapered while the screw tops describe a generally cylindrical geometry. Alternatively, the fitting may comprise a combination of one or more cylindrical portions and / or one or more tapered portions. Thus, one or more portions of the accessory may, for example, have screw tops that rest on a common imaginary cylindrical surface, the cylindrical surface of which is parallel to the longitudinal axis of the accessory. Alternatively or additionally, one or more portions of the accessory may have screw tops that sit on an imaginary conical surface that, in the apical direction, taper towards the longitudinal axis.
    [0059] The externally threaded accessory may comprise one or more thread spirals.
    [0060] The term "pitch" is used to indicate the axial distance between adjacent tops of a thread. The term "feed" is used to indicate the distance advanced parallel to the longitudinal axis when the attachment is turned one revolution, that is, it corresponds to the step multiplied by the number of threads. For a single thread spiral with a constant pitch, the feed is equal to the pitch; for a double-threaded spiral, the feed is twice the height.
    [0061] The term "micro-screw" is used to indicate a thread that has a height not exceeding 0.2 mm. According to at least one exemplary modality, the accessory is provided with micro-screws with a height in the range of 0.02 to 0.2 mm, such as 0.05 to 0.015 mm, for example, 0.1 mm . The term "macrorrosca" is used to indicate a thread that has a height greater than 0.2 mm. According to at least one exemplary modality, the accessory is provided with macroscrews with a height in the range of 0.25 to 0.35 mm, for example, 0.3 mm.
    [0062] Suitably, the micro-threads can be positioned along the crown of the micro-threads. For example, the micro-threads can be arranged to fit into the dense cortical bone, and the micro-threads can be arranged to fit in the porous spongy bone . The advance of a micro-screw corresponds appropriately to the advance of a micro-screw. The macro-thread pitch can have, for example, 2 to 4 times, as well as 3 times, the micro-thread pitch. The pitch (the top-to-top spacing) in an accessory portion provided with micro threads can be approximately from 0.20 to 0.24 mm. The pitch (spacing from top to top) in an accessory portion provided with macroscrews can be around 0.60 to 0.72 mm.
    [0063] The micro-threads can be considered as a defined, defined roughness. An unoriginal roughness with smaller dimensions, for example, obtained by sanding, chemical attack, etc., can be superimposed on the micro-threads, as well as the micro-threads.
    [0064] A thread profile comprises two flanks, a top radius R, at the vertex formed between the intersection of said two flanks, a bottom radius r formed between two adjacent threads, said flanks forming an angle v with a plane that it is perpendicular to a cross section of said thread and perpendicular to a plane that is tangent to the surface of the accessory body, said profile still having a height D. Suitable for 10 ° <v <35 °, D greater than 0 , 4 x D and, for 35 ° <v <55 °, R is greater than 0.2 x D. BRIEF DESCRIPTION OF THE DRAWINGS
    [0065] Figures 1a to 1j illustrate at least one example of how to perform at least one embodiment of the method of the present invention.
    [0066] Figures 2a to 2c illustrate at least one other example of how to perform at least one embodiment of the method of the present invention.
    [0067] Figures 3 to 6 illustrate accessories and pins with different examples of a conceivable indexing means.
    [0068] Figure 7 illustrates, according to at least one exemplary embodiment of the present invention, a definitive dental restoration connectable to a dental accessory. DETAILED DESCRIPTION OF THE DRAWINGS
    [0069] Figures 1a to 1j illustrate at least one example of how to carry out the method of the present invention.
    [0070] In figure 1a, two dental accessories are shown as implanted flush with bone tissue 4 in an implant site (preparation site) between adjacent teeth. Each accessory 2 is provided with a first indexing means 6, in the present document illustrated as a projection that extends in the longitudinal direction. However, it should be understood that said first indexing means 6 can be designed differently, for example, as one or more recesses or protuberances extending radially in the interior of the accessory socket. It should also be understood that, although submerged accessories with sockets are illustrated, other alternative accessories are also possible, for example, transgingival accessories with a head portion that extends above the bone tissue 4.
    [0071] In figure 1b, it is illustrated how a pin 8 is attached to each of the accessories. The pin 8 comprises a body part 10 and a screw part 12. The body part 10 comprises an accessory fitting portion 14 and a prosthesis receiving portion 16 which is designed to extend towards the crown of the accessory 2. A through hole 18 extends through the body part 10. The screw part 12 is adapted to be inserted into the through hole 18 and to fit into an internal thread (not shown) of the accessory 2 a in order to attach the body part 10 to the accessory 2. The accessory fitting portion 14 is provided with the second indexing means 20 which is adapted to fit the first indexing means 6 of the accessory 2. Therefore , in figure 1b, the second indexing means 20 is illustrated as a groove that extends in the longitudinal direction on the surface of the accessory fitting portion 14. For other types of accessories and first indexing means, the pin and the second indexing means indexing will be adapted as appropriate O. It should be noted that, although a pin is illustrated in figure 1b, it should be understood that, in this step, other components, such as the molding elements, having said second indexing means can be used.
    [0072] In figure 1c, it is illustrated how the print covers 22 are fixed on the pins 8 using the pin component locking means and pin locking means of the print covers (for example, by means of a locking pin) pressure, not shown).
    [0073] In figure 1 d, the impression material 24 is applied, embedding the printing covers 22 in the impression material 24. The impression material 24 is allowed to harden in order to imitate the shape of the teeth adjacent to the impression site and attach to the print covers 22.
    [0074] In figure 1e, the impression material 24 is removed from the implant site, bringing together the printing covers 22 embedded in the material 24.
    [0075] In figure 1f, a set of dental implants is illustrated comprising a pin 8 'with a second indexing means connected to an accessory 2' provided with the first indexing means 6 '. The pins 8 'are inserted into the printing covers 22 attached to the impression material 24. Due to the locking means and the rotation lock means over the pins and the printing covers, respectively, the pins 8' are placed in the printing covers. impression 22 in a position corresponding to the initial position of pins 8 in the printing covers 22. Although figure 1f illustrates pins 8 'and complete accessories 2' in the dental implant set, an alternative would be to have replicas. For example, only the upper portion of the fitting could be used, while the lower portion with the external threads could be omitted or provided without threads.
    [0076] In figure 1 g, a mold material 26 is applied to the mold material 24.
    [0077] In figure 1 h, the impression material and the printing covers were removed, as well as the pins were removed from the accessories 2 '. The impression material 26 with the built-in accessories 2 'now forms a model of the implant site with the adjacent teeth. The built-in accessories 2 'correspond to accessories 2 at the implant site in question and have the same inclination and orientation as the first indexing means 6'.
    [0078] A dental prosthetic is now able to decide an appropriate shape of the prosthesis receiving portion of a pin, that is, the first part of the fitting fitting arrangement. Therefore, a pin 8 "with a second indexing means that fits into the first indexing means 6 'of the accessory 2' is connected to the accessory 2 ', and then the prosthesis receiving portion 16" of the pin 8 "is appropriately shaped, for example, by cutting or milling. The re-molded prosthesis receiving portion 16" will have a determined orientation with respect to accessory 2 'in mold 26, and due to the unique position indexing means fitting, the prosthesis receiving portion 16 "will obtain the same orientation in the oral cavity when pin 8" is connected to the implanted accessory 2.
    [0079] As illustrated in figure 1 i, a prosthetic crown 30 can be molded in a desired shape and be fitted in a specific orientation with respect to said indexing means, for example, by having a rotation lock on the pin, thereby ensuring that the same orientation will be obtained when provided in the oral cavity.
    [0080] Finally, when pin 8 "and denture tooth 30 are designed and molded, the dentist will be able to connect them to the implant implanted 2 in the patient's jaw bone 4. This is schematically illustrated in figure 1j. , since pin 8 "and accessory 2 can only be connected in a rotational position with respect to each other, and bearing in mind that the accessory or accessory replica in the model has the same tilt and rotational orientation as those of accessory 2 installed in the patient's jaw bone 4, the dentist is prevented from connecting pin 8 "prepared in any indexing position other than that intended by the dental technician.
    [0081] It should be noted that the realization of the model in question illustrated in figures 1a to 1h can be done without a pin. Instead of using a pin, a molding component can be connected directly to the accessory and provided with the second indexing means. This would result in a model as shown in figure 1h. Then, a pin can be provided comprising a second indexing means, as shown in figures 1i to 1j. Although the figures have illustrated a dental accessory fitting arrangement in the form of a dental pin, in which the first portion is a prosthesis receiving portion and the second portion is the accessory fitting portion of the pin, it should be understood that, after the model is produced, other fitting arrangements other than the illustrated pin may be provided. For example, a dental curing component or a permanent dental restoration comprising said second indexing means may represent said accessory fitting arrangement.
    [0082] Figures 2a to 2c illustrate at least one other example of how to perform at least one embodiment of the method of the present invention.
    [0083] In figure 2a, instead of producing a physical impression of the implant site, a digital impression is made by scanning 100 of the site, for example, by means of a 3D camera. The digital impression or optical image can be imported and / or stored on a computer 102 as a three-dimensional image 104, from which the inclination of the accessories and the rotational position of the first indexing means are identified. As illustrated in figure 2b, by means of computer aided design 106, a desired shape of the pin and prosthesis is molded, the pin having a second indexing means which allows only the pin to fit the accessory in a position of indexing. In addition, the rotational position of the prosthesis with respect to the pin is designed to be blocked, for example, by providing a flat portion on a surface that extends in the circumferential direction of the pin. When the pin and prosthesis are designed, control data is provided for manufacturing equipment 108, 110 in order to form the components. In this case, the formation of the respective component is illustrated as a process of cutting the material from a blank 112, 114, resulting in a prosthetic tooth 116 and a body part 118 of a pin. However, other manufacturing methods are also conceivable, laser sintering being an example. Finally, as illustrated in figure 2c, the body part formed 118 of the pin is by means of a screw part 120 connected to an accessory 122 in the jaw bone. Prosthesis 116 is connected to the pin.
    [0084] Since the pin designed specifically for a patient has an indexing means 124 that can only fit in a rotational position with the corresponding indexing means 126 of the accessory 122, and bearing in mind that the pin with its means indexing 124 is designed based on a digital impression that provides a three-dimensional image imitating the accessory 122 in the jaw bone, the dentist is prevented from incorrectly positioning the pin in relation to the accessory 122.
    [0085] Although figures 1a to 1j and 2a to 2c show the achievement of a physical and digital impression, respectively, to determine the inclination of the accessory and the rotational orientation of the first indexing means, an alternative would be to determine this inclination and orientation before inserting the accessory. For example, as explained in the "Summary of the Invention" section, an alternative for obtaining a impression would be to determine an inclination of a predicted hole in the jaw bone, which would thus result in the inclination of the accessory, and still determine an desired orientation of the first indexing means for the accessory to be inserted into the hole.
    [0086] Figures 3 to 6 illustrate accessories and pins with different examples of conceivable indexing means. However, it should be understood that, instead of the pins, other fitting arrangements with such indexing means are conceivable, as already explained.
    [0087] To start, with figure 3, an accessory 200 is provided with a socket 204 that has an open end. Socket 204 extends apically into accessory 200. Socket 204 should accommodate a dental component, such as a pin 250. The pin will connect the overlying gum to the hole and will support / present a prosthetic part 270. However, the socket 204 may also receive other dental components, such as a replica pin, a pin blank, a molding element, a driver, a curing component and a permanent dental restoration.
    [0088] Although several alternative configurations are possible, socket 204 is illustrated in this document as having a conical coronal section 206 and a substantially cylindrical intermediate wall section 208. Four directional recesses extending radially 210 are provided in the section intermediate wall 208 and may, as illustrated in the figure, also extend into the conical coronal section 206. Alternatively, the intermediate wall section 208 may be substantially conical.
    [0089] Socket 204 is also provided with an internally threaded apical section 212.
    [0090] In addition, socket 204 is provided with a first indexing means formed as a projection 214. The projection 214 projects in the radial direction from the socket wall towards the center of the socket. The protrusion 214, in this case, is located between two recesses of the driver 210. Therefore, the protrusion 214 and the recesses of the driver 210 are provided at the same level along the longitudinal axis of the accessory 200. However, other alternatives are equally possible . For example, the protrusion may be located at a different axial level. It may, for example, be located in an apical or coronal direction of the driver recesses. The projection may, as shown in the figure, be located in a cylindrical intermediate wall section or, alternatively, be located in a conical wall section (for example, in the conical coronal section).
    [0091] The dental accessory fitting arrangement is illustrated herein as a two-piece pin 250 consisting of a body part 252 and a screw part 254. Body part 252 includes an accessory fitting portion 256, which is illustrated in this document as having a surrounding surface or extending in a generally cylindrical circumferential direction, although other surrounding surfaces, such as tapered, are also possible alternatives. The surrounding or circumferentially extending surface thus forms an outer perimeter of the accessory fitting portion 256. Body part 252 further includes a dental crown receiving or prosthetic receiving portion 258 that extends coronally from accessory 200 above the gingiva to receive a prosthetic tooth 270. An extension portion 261, illustrated in this document as a coronal tapering piece to a shoulder 262, is designed to extend through the gingiva and is provided between the fitting portion 256 and the prosthesis receiving portion 258.
    [0092] A second indexing means in the form of a single indexing recess 260 is provided on the cylindrical surface surrounding the fitting portion 258. The indexing recess 260 is illustrated in this document as linear semi-cylindrical, although other forms for the recess indexing devices are conceivable, as long as the indexing recess 260 can properly fit the indexing projection 214 of the accessory 200 in order to define a rotational position of the pin 250 (illustrated in a cross-sectional view of the mounted state).
    [0093] In the following, reference will be made to the cross-sectional illustration of the pin / accessory interface in its assembled state (before inserting the screw part 254). The body part 252 of the pin 250 is provided with a through hole 262, in which the screw part 254 is adapted to be inserted into the through hole 262 and fits into the internal thread 212 of the accessory 200 in order to fix body part 252 on accessory 200. Pin 250 can only be correctly fitted in a single rotational position in relation to accessory 200, that is, only in a position such that the indexing recess 260 fits into the indexing projection 214 of accessory 200. In this way, the user is prevented from selecting a less suitable pin orientation 250 with respect to the specific configuration of the jaw bone and gum.
    [0094] Figure 4 illustrates another example of a single indexing connection between an accessory 300 and a pin 350. The insert portion 352 of the pin 350 has a first positioning portion in a substantially square shape 354 and a second portion of positioning 356 at the apical end of pin 350. The second positioning portion 356 is, in the present embodiment, in the form of a circular collar 358 that is provided with a 360 recess. The outside diameter of the second positioning portion 356 is somewhat smaller than the external limits of the first positioning portion 354. The reason for this is because the second positioning portion 356 must be able to pass through a coronal portion of the indexing section of the socket on accessory 300 without interference. Circular collar 358 with its recess 360 thus constitutes a second indexing means which is adapted to fit a first indexing means of a complementary format 302 in accessory 300.
    [0095] Figure 5 illustrates another example of a single position connection, which becomes more clearly visible in the cross-sectional drawing of the implant set. Accessory 400 has three recesses extending radially 402a - 402c constituting a first indexing means, while pin 450 has three projections extending radially 452a - 452c constituting a second indexing means. The indexing means are distributed unevenly across the perimeter of the respective component. Taking the first indexing means as an example, there is a first recess 450a, a second recess 450b, and a third recess 450c. Following the internal perimeter of accessory 400, the distance between the first recess 450a and the second recess 450b is equal to the distance between the second recess 450b and the third recess 450c. However, the distance between the third recess 450c and the first recess 450a is greater. Bearing in mind that the projections 452a - 452c of pin 450 are equally distributed, pin 450 can only be connected in a rotational position with respect to accessory 400.
    [0096] Figure 6 illustrates yet another example of a single position connection. In this example, the first indexing means is in the form of the two recesses 502 provided on an external coronal surface of the accessory 500. The recesses 502 are not positioned opposite each other. The second means of indexing is in the form of two protrusions extending inwardly 552 over the inner perimeter of a pin 550, suitably located to fit into the recesses 502. As in the previous examples, pin 550 can only be connected in rotational position with respect to accessory 500.
    [0097] Figure 7 illustrates, according to at least one exemplary embodiment of the present invention, a permanent dental restoration 570 connectable to a dental accessory 500. The dental accessory 500 of figure 7 is the same as the dental accessory of figure 6, having, therefore, a first indexing means in the form of two recesses 502. The final restoration 570, in this case illustrated as a prophetic crown, is provided with a second indexing means in the form of two projections extending inwardly 572 over the perimeter interior of the final restoration, appropriately positioned to fit in the 502 recesses. The final 570 dental restoration can therefore only be connected in a rotational position with respect to accessory 500. Although the final 570 dental restoration has been illustrated in a simple way as a prophetic crown, it may, in other alternative modalities, comprise a transferor on which a bulk material that forms the crown is built or cast. In addition, such bulk material can be provided directly (or indirectly via a transfer agent) on a pin or a pin-like component, which could therefore also be included in the final dental restoration. In addition, it should be understood that, similar to the various indexing solutions presented above for connecting a pin to an accessory, the indexing means can be designed in a variety of different ways, including an indexing means with a or more projections / recesses or other forms of fitting. The final dental restoration can, for example, be screwed or cemented.
    权利要求:
    Claims (13)
    [0001]
    1. Method of providing a dental accessory fitting arrangement (2, 2 ', 122, 200, 400, 500) specific to a patient, the method characterized by the fact that it comprises the steps of: -determining, for a site implant in the jaw or mandible in which a dental accessory (2, 2 ', 122, 200, 400, 500) with a first indexing means (6, 6') is or will be inserted, an inclination of the accessory (2 , 2 ', 122, 200, 400, 500) with respect to the mandible bone and the rotational orientation of said first indexing means (6, 6') with respect to the mandible bone, -determine, based on the determined inclination of the accessory (2, 2 ', 122, 200, 400, 500) and in the rotational orientation of said first indexing means (6, 6'), a shape of a first portion of a dental accessory fitting arrangement and the rotational orientation of said first portion with respect to the accessory (2, 2 ', 122), -provide a fitting arrangement of dental accessory comprising: -a second fitting portion (14) of accessory provided with a second indexing means (20, 20 ”) that can only fit in said first indexing means (6, 6 ') in a rotational position of the second portion with respect to the accessory, and -a first portion having the said determined shape and that is in such a rotational position with respect to said second indexing means (20, 20 ”), so that said determined rotational orientation of the first portion is obtained when the second accessory fitting portion of the dental accessory fitting is connected to the dental accessory (2, 2 ', 122).
    [0002]
    2. Method, according to claim 1, characterized by the fact that it comprises the step of: - providing a model of the implant site with adjacent teeth in the mandible based on said determined inclination of the accessory (2, 2 ', 122, 200, 400, 500) and in the rotational orientation of said first indexing means (6, 6 '), the model comprising an accessory replica with the corresponding inclination and the orientation of the first indexing means (6, 6') with respect to to the model that the accessory (2, 2 ', 122, 200, 400, 500) has or will have in relation to the jaw bone.
    [0003]
    3. Method according to claim 2, characterized by the fact that said steps of determining the shape and rotational orientation of a first portion and said step of providing the first portion with the determined shape and rotational orientation are carried out with a dental accessory fitting arrangement or a blank for a dental accessory fitting arrangement provided with said second indexing means (20, 20 ”) and connected to the accessory replica.
    [0004]
    4. Method, according to claim 2, characterized by the fact that it comprises the steps of: -digitalizing said formed model, and -transforming the digitized model into a three-dimensional digital image, the said step of determining a shape and a rotational orientation of a first portion is performed based on the three-dimensional image.
    [0005]
    5. Method according to claim 1 or 2, characterized by the fact that the step of determining the inclination of the accessory (2, 2 ', 122, 200, 400, 500) and the rotational orientation of said first indexing means (6, 6 ') is based on a fingerprint obtained through an intraoral scan (100).
    [0006]
    6. Method, according to claim 1, characterized by the fact that the step of determining the inclination of the accessory (2, 2 ', 122, 200, 400, 500) and the rotational orientation of said first deindexation means (6, 6 ') is based on a fingerprint obtained through an intraoral scan (100), and in which said step of determining the shape and rotational orientation of a first portion is performed on a computer (102) as a CAD model three-dimensional.
    [0007]
    7. Method, according to claim 6, characterized by the fact that the said steps of providing a fitting arrangement of dental accessory and of providing the first portion with said determined shape comprise: -the entry of the CAD model data into CAM software, and -the control of an accessory fitting arrangement formation process with said CAM software, the accessory fitting arrangement formation process being selected from the group consisting of: a) a additive manufacturing, such as a molten deposition or laser sintering, and b) subtractive manufacturing, such as machining or milling a blank.
    [0008]
    Method according to any one of claims 1 to 7, characterized in that said second indexing means (20, 20 ") is provided as an irregular shape of the second accessory fitting portion or as one or more recesses (502) or projections (214) in the second fitting portion of the dental fitting arrangement, so that said second indexing means (20, 20 ”) can only fit in a single rotational orientation on said first indexing means (6, 6 ') which is provided as a corresponding irregular shape or as one or more corresponding projections (214) or recesses (502), respectively.
    [0009]
    9. Method according to any one of claims 1 to 8, characterized by the fact that said dental accessory fitting arrangement is a dental pin (8, 8 ', 8 ”, 350, 450), in which said first portion is a prosthesis receiving portion (16, 16 ”, 258) of the dental pin (8, 8 ', 8”, 350, 450), and in which said second portion is an accessory fitting portion (14) the dental pin (8, 8 ', 8 ”, 350, 450).
    [0010]
    10. Method according to any one of claims 1 to 8, characterized in that said dental accessory fitting arrangement comprises a dental pin (8, 8 ', 8 ”, 350, 450) and a prosthesis, in the in which said first portion is the prosthesis, and in which said second portion is an accessory fitting portion (14) of the dental pin (8, 8 ', 8 ”, 350, 450), the method comprising the steps of providing the prosthesis with said determined shape and in such a rotational orientation with respect to said second indexing means (20, 20 ”) so that when the prosthesis is connected to a prosthesis receiving portion (16, 16”, 258) of the pin (8, 8 ', 8 ”, 350, 450), said determined rotational orientation of the prosthesis is obtained when the accessory fitting portion (14) of the dental pin (8, 8', 8”, 350, 450 ) is connected to the dental accessory (2, 2 ', 122).
    [0011]
    Method according to any one of claims 1 to 8, characterized in that said dental accessory fitting arrangement is a definitive dental restoration (570) comprising said first and second portions.
    [0012]
    12. Method according to any one of claims 1 to 8, characterized in that said dental accessory fitting arrangement is a dental curing component in order to support the gum, in which said first portion is a portion gum support of the dental curing component, and in which said second portion is an accessory fitting portion (14) of the dental curing component.
    [0013]
    13. Dental implant accessory, characterized by the fact that it comprises: -a dental accessory (2, 2 ', 122, 200, 400, 500) for insertion in a jaw bone, the accessory (2, 2', 122, 200, 400, 500) being equipped with a first indexing means (6, 6 '), and -a definitive dental restoration (570) having a second indexing means (20, 20 ”) that can only fit in said first indexing means (6, 6 ') in a rotational position of the permanent restoration in relation to the accessory (2, 2', 122), in which the permanent dental restoration (570) is connectable to an internal socket (204) of the accessory ( 2, 2 ', 122).
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    同族专利:
    公开号 | 公开日
    ES2457224T3|2014-04-25|
    BR112013009184A2|2016-07-26|
    EP2444028A1|2012-04-25|
    CN103167841B|2015-04-15|
    RU2013122639A|2014-11-27|
    WO2012052482A1|2012-04-26|
    EP2444028B1|2014-01-08|
    JP2013545511A|2013-12-26|
    JP5931075B2|2016-06-08|
    US20120270179A1|2012-10-25|
    CN103167841A|2013-06-19|
    US20190133726A1|2019-05-09|
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    法律状态:
    2018-12-18| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-08-20| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-07-07| B09A| Decision: intention to grant|
    2020-11-24| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/10/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US39489710P| true| 2010-10-20|2010-10-20|
    US61/394,897|2010-10-20|
    EP10188227.2A|EP2444028B1|2010-10-20|2010-10-20|A method of providing a patient-specific dental fixture-mating arrangement|
    EP10188227.2|2010-10-20|
    PCT/EP2011/068267|WO2012052482A1|2010-10-20|2011-10-19|A method of providing a patient-specific dental fixture-mating arrangement|
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