• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    DENTAL IMPLANT, SUPPORT FOR A DENTAL IMPLANT AND COMBINATION OF THE SAME AND AN IMPLANT SET. The present invention relates to an implant (10) serving to receive a support (110). The implant (10) has a receiving opening (15) in which a connection region (115) of the support (110) can be inserted. The receiving opening (15) and the connection region (115) have a conical section (17) or (117) and an indexing section (18) or (118). The total taper angle is 6 ° to 20 ° and the indexing length f of the implant (10) or the indexing length F of the support (110) is equal to at least 90% of the length of the tapered section K of the implant (10 ) or the length of the conical section K of the support (110), typically more than 1.6 mm.
    公开号:BR112012018070B1
    申请号:R112012018070-3
    申请日:2011-01-13
    公开日:2020-11-17
    发明作者:David Sollberger；Christoph Soler；Alex Schar
    申请人:Camlog Biotechnologies Ag；
    IPC主号:
    专利说明:

    [001] The present invention relates to a dental implant, with an abutment for a dental implant, with a combination of such an implant with the abutment, and with an implantation device, having the aspects of the preamble of the independent claims.
    [002] Dental implants and associated abutments are known in several different projects. The dental implant is typically formed by a substantially cylindrical body. At its coronal end, the body has a receiving opening into which a so-called pillar can be inserted. Here, and in the text below, coronal designates the direction for the crown or the tooth that is to be fitted. In this context, cervical designates the direction to the root of the tooth.
    [003] The abutment that can be inserted into the reception opening is used, in a manner known to you, to receive a tooth replacement directly or indirectly. It is already known to provide a tapered shape for the receiving opening in the implant and for a corresponding coupling surface. This is done in an effort to obtain the best possible mechanical connection and seal between the abutment and the implant, in order to avoid the formation of a space in which liquids or bacteria can be installed. However, conical arrangements of this type are associated with several disadvantages. For example, when printing is subsequently done, a height shift appears due to tolerances in the angle and diameter of the cone. At the same time, due to the cone, the outer diameter of the piercing in the lower area is smaller than in columns comparable with sections that are not conical. In this area, there is typically an adjustment area for rotation fixation or rotation positioning between the abutment and the implant. Such adjustment areas typically produce, in the circumferential direction, a conformation with a non-round contour, for example, by a polygon or by grooves and meat. Due to the thinner wall thickness, the possibilities regarding the design of the adjustment area are reduced. In particular, problems with resistance may also arise. This can cause difficulties, especially if the adjustment area on the implant also serves to contact a screwing tool used to screw the implant.
    [004] Abutments and implants with corresponding conical sections are known, for example, from AT 400 804 B, EP 1 396 236 A1, EP 1 203 567, DE 102 31 743 A1, EP 1 728 486 A1 or DE 10 2005 001 792. However, all of these solutions are associated with the disadvantages mentioned above and with other disadvantages.
    [005] Therefore, it is an objective of the present invention to avoid the disadvantages of known solutions, in particular, to make available a dental implant and abutment and also an implant set, which guarantee a reliable and firm connection between the implant and the abutment. , which, as much as possible, prevent bacteria from settling in a space between the implant and the abutment, and which allow a good transfer of force between a screwing tool and the implant during the screwing of the implant and also allow an impression reliable situation of the implant in the mouth.
    [006] According to the invention, these and other objectives are achieved by a dental implant, abutment and implantation device in accordance with the aspects of the characterization part of the independent claims.
    [007] The dental implant according to the invention serves in a manner known to you for insertion into a jaw bone. The implant has, at the coronal end, a receiving opening for a pillar. The receiving opening, seen from the coronal end, has a cone section with a defined cone length and an adjustment section with a defined adjustment length. According to the invention, the cone section has a total cone angle in the range of 60 to 200, preferably 100 to 180, particularly preferably 150. When interacting with a correspondingly shaped cone on the column, a connection with Self-locking is achieved when the abutment is inserted into the implant. Additional connection stability is thus obtained. In addition, the adjustment length is at least 90% or, depending on the diameter of the implant, preferably around 95% to 125% of the cone length. Thus, regardless of the outer diameter of the abutment being reduced due to the cone, there is sufficient stability in the connection between the abutment and the implant. In addition, a sufficiently large engagement surface becomes available for a screwing tool. The adjustment section serves for positioning by rotation and for fixing by rotation between the abutment and the implant and at the same time as an engaging surface for a screwing tool. Viewed in the axial direction, the indexing section is at least 1.6 mm long. In principle, it is conceivable to design the indexing section in a manner known to you with a polygon or other non-round contours. However, an indexing section which, as described below, is designed with the groove / cam connection is preferred.
    [008] According to a preferred embodiment of the invention, the indexing section has a surface on which at least one groove extending radially outwards with a defined length of the groove is arranged. The groove can be brought into engagement with the pillar cam. Typically, the surface is at least partially cylindrical. At the same time, it is dimensioned and tolerated in such a way that it forms an orientation surface for a correctly inserted column.
    [009] It is also preferable that the length of the groove extends substantially over the entire length of the indexing section, in particular, by at least 70%. In this way, it is possible to maximize the contact between the groove engagement surface and a corresponding engagement surface on a meat of a screwing tool or an abutment, so that the screwing forces or moments can be transferred without plastic deformation and so that the force introduced per unit area can be minimized. This deformation would have an influence on the precision of the impression and on the positioning of the abutment. The bottom of the groove, directed towards the lower end of the implant, is preferably chamfered. The angle of the chamfer corresponds particularly preferably to the angle of a corresponding chamfer on a pillar cam.
    [0010] In the cervical direction, the indexing section of the implant is preferably joined directly by a threaded section to receive a pillar screw. In other words, this means that the contoured end of the implant is not joined by any additional area serving to receive or orient the abutment.
    [0011] Particularly, preferably, the surface of the indexing section has an outside diameter that is greater than 80% of the outside diameter of the groove. In this way, the outside diameter of a corresponding indexing section of a column can be made as large as possible. However, at the same time, the outside diameter of the indexing section must not be too close to the outside diameter of the groove, so that a sufficiently large groove depth is still guaranteed.
    [0012] It is also preferable that the groove has a groove surface extending radially (or a groove surface extending radially on both sides), which is greater than 0.22 mm2.
    [0013] At the same time, the length of the groove is preferably greater than 500% of the depth of the groove. The groove depth is understood as the distance between the index section surface and the groove outside diameter.
    [0014] According to another preferred embodiment, the diameter of the small cone (i.e., the diameter at the cervical end of the cone section) is larger or the same as the outer diameter of the groove. In this way, a platform is formed that defines an intermediate position during the insertion of the column.
    [0015] It is also preferable that a circumference-shaped surface of the platform be formed between the cone section and the indexing section of the implant. The groove in this case extends in the axial direction with reference to this platform surface. Such a platform surface makes it possible to define an intermediate position. A abutment can be inserted into the implant until the undersides of the corresponding abutment meat rest on the platform surface. By rotating the abutment to a position where the abutment meats are aligned with the grooves in the implant, then the abutment can be brought to the desired final position. The insertion procedure comprising the steps of "inserting axially", "rotating in the direction of the circumference" and "grinding axially to the final position" is particularly intuitive for the user. Thus, insertion in an undesired intermediate position is prevented.
    [0016] An additional aspect of the invention concerns an abutment for a dental implant, in particular for the implant described above. The abutment has a surface to directly or indirectly receive a dental prosthesis. The abutment also has a connection area for connection to the implant. The connection area can typically be inserted into the implant receiving opening mentioned above. The abutment can be fixed to the implant using a abutment screw in a manner known to you. The column connection area has a cone section with a defined cone length. In the cervical direction, the connection area is joined by an indexing area with a defined indexing length. The cone section of the column has a total cone angle of 60 to 200, preferably 100 to 180, and particularly preferably 150. The indexing length of the column is at least 90%, preferably 95% to 125% of the column cone length. Thus, in the interaction with the pillars as described above, particularly stable connections are obtained. The indexing length is preferably at least 1.6 mm. Towards the cervical end, the indexing section is bounded by the end of the locking elements by conformation. Towards the coronal end, the indexing section is bounded by the end of a substantially cylindrical section on or on which the conformable fitting elements are mounted.
    [0017] The pillar of preference has, in the indexing section, a surface from which at least one meat extends radially outwards. The meat can be brought into engagement with the corresponding grooves of an implant. Particularly preferably, this column surface is at least partially cylindrical. It is also dimensioned and has tolerances in such a way that it forms a guide surface for a surface of the index section of an implant when the abutment is correctly inserted into the implant. Thus, the abutment can be made shorter than, for example, the abutment disclosed in EP 1 728 486, as long as it is possible to manufacture without an additional cervical orientation section. In addition, the guidance section can be designed with a relatively large diameter, which decreases the sensitivity of manufacturing tolerances. Finally, an orientation section designed in this way ensures that during insertion, the abutment is guided at a very early stage in the implant.
    [0018] Typically, in the case of a diameter of around 2 to 3 mm, the corresponding orientation surface on the abutment and the orientation surface on the implant are produced with such tolerance so that the maximum clearance between the surfaces is less than than 0.06 mm.
    [0019] Preferred meats extend across substantially the entire area of the indexing section. Substantially the entire indexing area is understood to be at least 70% long. In this way, the contact surface between the grooves and the meat is maximized, resulting in a better distribution of force and a more stable connection. However, meat on the pillar can also be slightly longer, typically at least 75% of the indexing area. At its upper end, that is, towards the cone section, the cylindrical surface between the meats may have an end surface that is chamfered with respect to a plane perpendicular to the geometric axis. The chamfer is preferably 400 to 500, in particular approximately 450. It is also preferable that, in the direction of the cone section, this end surface is joined by a cylindrical surface in the form of a circle. The external diameter of this cylindrical surface corresponds in particular to the external diameter of the meat in the column, so that a surface with a constant cylinder radius is obtained around the circumference.
    [0020] According to another preferred embodiment, the abutment has, adjacent in the cervical direction to the indexing section at the cervical end, a frontal surface with an opening. A threaded section of a column screw can be oriented through this opening. In other words, this means that the indexing section forms the last element of the column in the cervical direction (with the exception of the column screw, which is not formed in a piece with the column body). In particular, in the cervical direction, the indexing section is not followed by any guidance sections or additional guidance elements.
    [0021] It is also preferable that the outer diameter of the surface of the column's indexing section is greater than 80% of the outer diameter of the meat. This ensures that the surface of the indexing section, which at the same time forms an orientation surface as described above, can be manufactured as large as possible. In addition, in larger dimensions, identical manufacturing tolerances have less influence on clearance.
    [0022] It is also preferable that the meat has a surface of the meat extending radially that is greater than 0.22 mm2. The length of the meat is preferably at least 500% greater than the depth of the meat. Depth of the meat is understood as the distance between the outside diameter of the meat and the surface of the indexing section of the column. By projecting the meat with a sufficient length, it is possible, regardless of small depths of the meat, that the surface of the cam, which forms a contact surface for the grooves of the implant, is made large enough to transfer the screwing moment during the insertion of the implants.
    [0023] It is also preferable that the diameter of the cone at the cervical end of it is larger or the same size as the diameters of the meat.
    [0024] Furthermore, at its cervical end, the meat preferably has a chamfer. The insertion of the meat into the grooves of the implant is made easier by such a chamfer. The chamfer forms an insertion aid.
    [0025] The abutment also preferably has an appearance profile with a defined configuration: The cone section of the abutment, this section that emerges from the implant, is joined by a short cylindrical section and then, seen in a sectional plane through from the geometric axis of the column through a concave area and, after that, through a convex area, which simulates the natural shape of the tooth.
    [0026] It is also preferable that the surface of the indexing section of the column is not completely cylindrical. Undercuts preferably are present between the surfaces of the meat and the surface serving as a guiding surface. Such undercuts allow for particularly precise production of the indexing section and the guide surface on the column.
    [0027] The column, provided with an axial hole, can be provided with an additional thread in the area of the hole. The thread serves to receive a disassembly tool. Since the cone angle is selected so that, with the abutment inserted, automatic locking is achieved between the abutment and implant cone surfaces, it can sometimes happen that the abutment cannot be easily removed. By virtue of this thread, the abutment can be uncoupled by a disassembly tool, being secure on the abutment.
    [0028] According to a further aspect, the invention relates to a combination of an implant as described above with an abutment as described above. The indexing sections of the implant and the abutment and the cone sections of the implant and the abutment are dimensioned and shaped in such a way that, when the abutment is inserted into the implant, the cone sections at least partially touch each other. and the indexing sections are in engagement with each other. The surfaces through which the sections and cone touch each other are thus maximized as much as possible within the scope of tolerances.
    [0029] Particularly preferably, the cone sections on the abutment and on the implant have tolerances in such a way that, in any conceivable pairing between the implant and the associated abutment, the contact between the cone sections takes place at the coronal edge of the section of the implant within the scope of the tolerances. Although a space between the abutment and the implant can never be excluded due to the tolerances in the cone angle, the space in any case will not then form at the coronal end, but, instead, shifted inwards from of the same. This prevents liquids from accumulating in a corresponding space.
    [0030] In addition, the contact between the cone sections in the area of the coronal edge provides particularly stable fixation of the abutment in the implant. It is like a pillar with two points, on the one hand, on the upper coronal border and, on the other hand, in the area of the orientation surfaces between the grooves and the meat.
    [0031] It is also preferable that the surfaces of the indexing sections between the abutment meat and between the grooves of the implant are dimensioned so that the abutment is guided in the implant through the contact between the surfaces of the indexing sections. The surfaces are typically dimensioned as follows, so that, in the case of guiding surfaces with a diameter of 2 to 3 mm, typically 2.1 mm, the maximum clearance between the guiding surfaces is 0.06 mm.
    [0032] Still according to another preferred embodiment, the column has a column screw in which the length, in particular, the arrangement, of the thread is dimensioned so that the column screw cannot be brought into engagement with a section of thread on the implant as long as the abutment rests with an end face of its flesh on the cervical end on the implant platform. This avoids a situation where the abutment is inadvertently secured to the implant by tightening the abutment screw before the abutment has reached the correct position.
    [0033] According to an additional aspect, the invention relates to an implantation device. The implantation device has at least one implant and at least one abutment. At its coronal end, the implant is designed with a receiving opening for the abutment. The pillar opening has an implant cone section adjacent to the coronal end. The implant and the abutment are preferably designed as described above. The abutment can be inserted into the implant opening and has a cone section of the abutment that can be brought into engagement with the cone section of the implant.
    [0034] The implantation device also has at least one auxiliary element. For various tasks in the context of implantation, auxiliary elements are used, typically occlusion screws, gingival modelers, temporary abutments or impression elements. Such elements are known to you by those skilled in the art. According to the invention, the auxiliary element is designed in such a way that, when it is inserted into the implant, it does not touch the cone surface of the implant and rests on a contact surface on a front edge of the implant. This design of the auxiliary elements has several advantages. First, the cone surface of the implant remains substantially unaffected by the auxiliary elements. Therefore, damage to the cone surface by auxiliary elements is substantially excluded. Second, auxiliary parts can be more easily decoupled, because there is no automatic locking between the cone surfaces. At the same time, vertical displacements are reliably avoided when taking an impression, since it is not the cone surface, but instead, the front face of the implant, which defines the vertical position of the impression element.
    [0035] Preferably, particularly, the auxiliary element has, in the area of the contact surface, an outer diameter larger than the outer diameter of the column in this area. In this way, especially in the case of a gingival modeler, an occlusion screw or a temporary abutment, the bone or gum can be shaped to the extent that the insertion of the final abutment is not impaired.
    [0036] In addition, in the case of an auxiliary element designed as a gingival model, the outer diameter in the area of the contact surface is greater than the corresponding outer diameter of an auxiliary element designed as the impression element. This prevents the gums from interfering with the impression.
    [0037] The invention is explained in greater detail below based on illustrative embodiments and reference to drawings, in which:
    [0038] figure 1 shows a side view of an implant according to the invention,
    [0039] figure 2 shows a cross section through the implant according to figure 1, along a longitudinal central geometric axis,
    [0040] figures 3a and 3 b show enlarged views of the implant from figure 1 in the area of a reception opening, in cross section.
    [0041] figure 4a shows a perspective view of a pillar according to the invention,
    [0042] figure 4b shows an enlarged view of the column from figure 4a in a connection area,
    [0043] figure 5 shows a cross section through the pillar according to figure 4a along a longitudinal central geometric axis,
    [0044] figure 6 shows a cross section through an implant according to the invention and a pillar according to the invention in an indexing area, along a plane perpendicular to the geometric axis,
    [0045] figure 7 shows a cross section through an abutment according to the invention and an implant according to the invention, along a central longitudinal plane,
    [0046] figure 8 shows an enlarged view of an abutment according to the invention in an implant according to the invention, in cross section along a central longitudinal plane in a connection area,
    [0047] figure 9 shows a cross section through an implant according to the invention with a gingival modeler, along a longitudinal central plane,
    [0048] figure 10 shows a cross section through an implant according to the invention with a printing element, along a central longitudinal plane,
    [0049] figure 11 shows an enlarged view of the impression element and the implant starting from figure 10 in the area of the cone section of the implant, and
    [0050] figure 12 shows a cross section through an implant according to the invention with a temporary abutment, along a central longitudinal plane.
    [0051] Figure 1 shows an implant 10. The implant 10 has a main body 9 with a thread 8 and a cutting edge 7 in a manner known to you. The implant 10 is inserted with the main body 9 into the jaw of a patient, so that, depending on the situation, a coronal end 16 of the implant 10 with an end face 14 protrudes slightly from the bone or is slightly lower .
    [0052] Figure 2 shows a cross section through a central geometric axis of the implant according to figure 1. Adjacent to the coronal end 16, implant 10 has a receiving opening 15 to receive a pillar (see figure 4a). Directly adjacent to the coronal end 16, the receiving opening 15 has a cone section 17. The cone section 17 is directly joined by a short cylindrical section 23. The cylindrical section 23 is joined by an indexing section 18. The section of indexing 18 is formed by a substantially cylindrical surface 19, on which are arranged three grooves 20, uniformly distributed around the circumference. The grooves 20 extend radially outwards from the surface 19. The grooves have lateral surfaces of the groove 21, which can engage with the meat surfaces corresponding to a column (see figure 4a) or of a screwing instrument or other auxiliary elements and thus form a device to prevent rotation and allow the transfer of the screwing torques.
    [0053] A platform 22 is formed between the cylindrical section 23 and the indexing section 18. The pillar (see figure 4a) rests with the cervical underside of its meat on this surface of the platform 22 when the column meat does not they are exactly flush with the grooves 20 of the implant 10. An intermediate position is thus defined. By rotating the abutment in relation to the implant 10, the meat and grooves 20 can be oriented so that the abutment can be moved axially to an end position. The implant 10 also has a thread section 11.0 abutment can be secured on implant 10 by means of a pillar screw (see also figure 7). The abutment screw is designed with respect to the thread section 11 of the implant 10 in such a way that the abutment screw does not engage with the thread section 11 when the abutment rests on the platform surface 22 in the intermediate position.
    [0054] Figure 3a and enlarged cross-sectional views of implant 10 in the area of cone section 17 and indexing section 18. The same reference signs designate the same parts as in figures 1 and 2. The cone section 17 extends at a total cone angle α of approximately 150.
    [0055] Typical dimensions of an implant and an associated abutment are given below for an implant diameter of 3.8 mm. The cone section 17 has a cone length k of 1.9 mm. The length z of cylindrical section 23 is 0.4 mm.
    [0056] Compared to the cone section 17, the indexing section 18 is manufactured relatively long in the axial direction. The indexing length f is 1.8 mm.
    [0057] The grooves 20 formed in the indexing section 18 have a groove depth t of at least 0.18 mm and, in the axial direction, a groove length n of at least 1.35 mm. Therefore, the groove 20 extends in the axial direction through at least 75% of the indexing length f. The indexing length f of 1.8 mm is almost as long as the length of cone k. Because of this particular choice of relatively long grooves, the surface of groove 21 is manufactured relatively large even though, however, the depth of groove t is small. Deformations of the surface of the groove 21, for example, through contact with a screwing tool, are thus avoided.
    [0058] A chamfer is provided at the bottom 24 of the groove 20 as shown in figure 3b. Due to the chamfer at the bottom 24, the depth of the groove n is slightly less in the radial outward direction than in the radially inner edge of the groove. The groove in the groove (see also figure 8) corresponds approximately to the groove on the lower edge of the cam (chamfer 125) of the implant.
    [0059] Figure 4a shows a perspective view of a pillar 110 according to the invention. The pillar 110 has a surface 112, which serves to receive an artificial tooth directly or indirectly. For this purpose, it is also conceivable that the surface 112 is worked, in particular, ground. The abutment 110 has a connection area 115, with which it can be inserted into the receiving area 15 of the implant 10 (see figure 2). The connection area 115 has a cone section 117 which, towards the cervical end 116 of the pillar 110, is joined by an indexing section 118. The indexing section 118 is composed of a substantially cylindrical surface 119, from which three meats 120 evenly distributed around the circumference extend radially outwards. The meat 120 defines the lateral meat surfaces 121, which can be brought into engagement with the surfaces of the groove 21 of the implant (see figures 3a and 3b).
    [0060] At the cervical end 16, the pillar 110 has an opening 113 in its front face 122, opening 113 which forms the end of a continuous hole 109 (see figure 5). A pillar screw (see figure 7) can be guided through opening 113.
    [0061] Figure 4b shows an enlarged view of the indexing section 118 of the pillar 10. In the axial direction, the meat 120 has a cam length N of 1.55 mm. Towards cervical end 116 of pillar 10, meat 120 has a chamfer 125. Between meat 120 and surface 119, a cutout below 126 is formed on surface 19. The cutout below 126 is mainly related to cutting technology production and allows particularly precise finishing of the surface 19, so that the latter can be finished sufficiently accurately to serve as a guiding surface. Meat 120 has a meat depth T of 0.15 mm.
    [0062] The cylindrical surface 119 between the meats 120 extends from the lower end of the pillar 110 through the indexing section 118, but not across the entire height thereof. Viewed in the axial direction, the cylindrical section 119 is prevented from passing towards the cone section 117 through an end face 128. The end face 128 is slightly chamfered in relation to a plane perpendicular to the geometric axis (see also figure 5 ). In addition towards the cone section 117, the pillar 110 has a circumferential cylindrical surface 129. By means of an annular surface 129a extending perpendicularly with respect to the geometric axis, the cylindrical section 120 joins with the cone section 17.
    [0063] Figure 5 shows a cross section through the pillar 110 from figures 4a and 4b, along the central longitudinal geometric axis. The pillar 10 has a hole 109 extending in the axial direction. Hole 109 is provided with an internal thread 108, which serves to receive a disassembly tool.
    [0064] Cone section 117 has a total cone angle β of 150. Cone section 117 has a cone length of 1.9 mm. Indexing section 118 has an indexing length F of 1.95 mm. The meat has an N cam length of 1.55 mm, which substantially corresponds to the length of the indexing section 118. Arranged between the cone section 127 and the indexing section 118, there is a short cylindrical section 123, which is related production technology and has no additional function.
    [0065] Figure 6 shows a cross section through a pillar 110 inserted in an implant 10, along a plane perpendicular to the geometric axis.
    [0066] The meats 120 are engaged with the grooves 20, so that the meat surfaces 121 come into contact with the surfaces of the groove 21. The outer diameter D2 of the surface 119 of the pillar 110 is substantially the same dimension as the inner diameter d2 of the contact surface 19 of the implant 10. Thus, the surface 119 of the abutment between the meat 120 is oriented on the surface 19 in the implant 10 between the grooves 20. The diameters D2 and d2 are both 2.1 mm and have tolerances of so that the maximum clearance between the guiding surfaces is not more than 0.06 mm. In addition, the minimum clearance is chosen so that the abutment can be oriented into the implant opening.
    [0067] The outer diameter D1 of the meat and the outer diameter d1 of the grooves are also substantially the same. However, here, an orientation function is not essential and, therefore, a space 30 can exist. The diameters D1 and d1 are typically 2.4 mm and 2.45 mm, respectively. The depth of the cam Tea depth of the groove t results from the difference between diameters D1 and D2 and two diameters d1 and d2, respectively. A cutout underneath 126 is also formed between the surface 119 and the groove 120 of the pillar 110. The cutout underneath 126 is not considered in defining the depth of the T-cam.
    [0068] If the outer diameter of the abutment surface 119 and the internal diameter of the implant surface 19 are each 2.1 mm, the meat 120 and the groove 20, seen in the circumferential direction, have a meat width and a width slot width, respectively, of around 0.7 mm.
    [0069] Figure 7 shows a cross section through a pillar 10, which is inserted inside the implant 10 and is secured with a screw of the pillar 111 in the thread section 1 of the implant 10. The indexing sections 18, 18 of the implant 10 and abutment 110 are in engagement with each other, so that the impediment of rotation is produced. Due to the close tolerance of the surface 19, 19, the abutment 110 is guided in the implant 10 and thus maintained precisely in its cervical end 116. The cone surface 117 of the abutment 110 and the cone surface 17 of the implant 10 have tolerances that in any case, the contact between the cone surfaces 17, 17 is made in the area of the coronal end 16 of the implant. In this way, the abutment 110 can be supported on the implant 10 in two areas that are axially separated from each other as far as possible. The pillar areas are at maximum spacing, resulting in a particularly high degree of stability. At the same time, a space between the abutment 110 and the implant 10 in the area of the coronal end 16 is avoided.
    [0070] In the area where the abutment 110 exits the implant 10, the abutment has an external diameter D11, which substantially corresponds to the internal diameter of the receiving opening 15 of the implant at its coronal end 16 (see also figure 8). As figure 8 shows, the front edge 14 of the implant 10 is not covered by the abutment 110.
    [0071] Figure 9 shows the implant from figure 1, into which an auxiliary element designed as a gingival model 310 is inserted. Gingival modelers are known to you for those skilled in the art. The gingival model 310 is designed so that at the receiving opening 15 of the implant, and particularly in the cone section 17, there is no contact between the cone section 17 and the gingival model 310. Instead, the gingival model 310 rests on a contact face 311 at the front edge 14 of the implant 10. Damage to the cone surface 17 is prevented by means of the cone space 312 between the cone surface 17 of the implant and the gingival model. The external diameter D31 of the gingival model in the area where it leaves the implant 10, that is, adjacent to the front edge 14, is 3.5 mm. Therefore, it is larger than the external diameter of 3.05 mm D11 of the column in the corresponding location (see figures 7 and 8).
    [0072] Figures 10 and 1 show the implant 10 from figure 1, into which an auxiliary element designed as a printing element 410 is inserted.
    [0073] The impression element 410 has a contact surface 411 which, in the inserted state, rests on the front edge 14 of the implant (see also figure 1). The printing element 410 is designed so that, in the inserted state, a space of the cone 412 is formed between the printing element and the cone section 17 of the implant 10. Thus, the axial or vertical position of the printing element 410 with respect to implant 10 it is precisely defined by the contact between the contact surface 411 and the front edge 14. There is no vertical displacement due to the tolerances in the cone angles and diameters.
    [0074] The printing element 410 also has an indexing section 418 (not shown in detail), which is designed substantially the same as the indexing section 18 of the column (see figures 4a, 4b).
    [0075] The diameter D41 of the impression element in the area where it exits the implant 10 is larger than the diameter D11 of the abutment in the same location (see figures 7 and 8) and substantially the same or slightly smaller than the outside diameter D31 of the gingival modeler in the corresponding location (see figure 9).
    [0076] Instead of implant 10 and an abutment 10 as shown in figure 7, it is also possible to temporarily provide implant 10 with a temporary abutment 510, which does not touch the cone surface of implant 10 and which is adjacent to front edge 14 of implant 10 (see figure 12).
    [0077] Implant 10 and abutment 110 are produced and designed in a manner known to you. Typically, they are made of a biocompatible material such as titanium or ceramic. Depending on the tooth to be replaced, the implants and abutments have different dimensions, and therefore the measurements indicated above are to be considered as examples. For larger or smaller implants, the corresponding dimensions are uniformly reduced or increased, so that the relationships between individual lengths and diameters remain substantially unchanged.
    [0078] The total cone angles always remain the same regardless of the implant size, however, the cone length can vary with different diameters.
    [0079] As an example, the individual measurements (in mm or mm2) for implants with diameters 3.3 mm, 3.8 mm (see also the description above), 4.3 mm and 5 mm are shown in the table Following.

    权利要求:
    Claims (20)
    [0001]
    1. Abutment (110) for a dental implant (10), with a surface (112) to receive a dental replacement directly or indirectly, and with a connection area (115) for connection to the dental implant (10), in that the connection area (115) has a cone section (117) with a cone length (K) which, in the cervical direction, is joined by an index section (118) with an index length (F), in that the cone section (117) has a total cone angle (β) of 6 ° to 20 °, preferably 10 ° to 18 °, particularly preferably 15 °, characterized by the fact that the indexing length (F ) is at least 70% of the cone length (K), and where the indexing section (118) is formed by a substantially cylindrical surface (119), where the cylindrical surface (119) is dimensioned and has a tolerance of in such a way that it forms a guiding surface for a surface (19) of an indexing section (18) of the dental implant (10) when the abutment (110) is correctly inserted into the dental implant (10), and from which at least one meat (120) with a length of meat (N) extends radially outward, such meat (120) can be brought into the grooved engagement corresponding (20) of a dental implant (10), and where each meat (120) defines lateral meat surfaces (121), where each meat (120) has an external diameter (D1) that is less than or equal to the smallest diameter of the cone section (117), and in which the indexing section is bounded, towards the cervical end of the column, by the end of the meat.
    [0002]
    2. Abutment (110), according to claim 1, characterized by the fact that the indexing length (F) is more than 1.6 mm.
    [0003]
    3. Pillar (110) according to claim 1 or 2, characterized by the fact that the length of meat (N) extends substantially across the entire indexing length (F).
    [0004]
    4. Abutment according to any one of claims 1 to 3, characterized by the fact that the abutment (110) has, adjacent in the cervical direction to the indexing section (118) at the cervical end (116), a front face (122 ) with an opening (113), through which a threaded section of a pillar screw (111) can be guided.
    [0005]
    5. Pillar according to any one of claims 1 to 4, characterized by the fact that the surface (119) of the indexing section (118) has an external diameter (D2), which is greater than or equal to 80% of the outside diameter (D1) of the meat.
    [0006]
    Abutment according to any one of claims 1 to 5, characterized in that the meat surface (121) extends substantially radially and is greater than 0.22 mm2.
    [0007]
    Abutment according to any one of claims 1 to 6, characterized in that the length of the cam (N) is greater than 500% of the depth of the cam (T).
    [0008]
    8. Abutment according to any one of claims 1 to 7, characterized by the fact that the cam (120) has, at its cervical end, a chamfer (125).
    [0009]
    9. Combination of a dental implant (10) and an abutment (110), in which the dental implant has a receiving opening (15) which is arranged at the coronal end (16) of the dental implant and is supplied to the abutment ( 110), wherein the receiving opening (15), seen from the coronal end (16), has a cone section (17) with a cone length (k) and an indexing section (18) with a length index (f), in which the cone section (17) has a total cone angle (a) of 6 ° to 20 °, preferably 10 ° to 18 °, particularly preferably 15 °, characterized by fact that the indexing length (f) is at least 90% of the cone length (k), in which the indexing section (18) is formed by a substantially cylindrical surface (19), in which the cylindrical surface (19) is dimensioned and tolerated in such a way that it forms an orientation surface for the correctly inserted column (110), and from which at least one groove (20) with a comp groove groove (n) extends radially outward, so that such groove (20) can be brought into engagement with a pillar cam (120), where each groove (20) has lateral groove surfaces ( 21), where the groove (20) has an outer diameter (d1) that is less than or equal to the smallest diameter of the cone section (17), and where the pillar (110) has a surface (112) for receiving a tooth replacement directly or indirectly, and a connection area (115) for connection to the dental implant (10), where the connection area (115) has a cone section (117) with a cone length (K) which, in the cervical direction, is joined by an indexing section (118) with an indexing length (F), in which the cone section (117) has a total cone angle (β) of 6 ° to 20 °, from preferably 10 ° to 18 °, particularly preferably 15 °, where the indexing length (F) is at least 70% of the cone length (K), and the indexing section (118) is formed by a surface substantially cylindrical (119) that is dimensioned and has tolerance in such a way that it forms a guide surface for the surface (19) of the indexing section (18) of the dental implant (10) when the abutment (110) is correctly inserted in the dental implant (10), and from which at least one cam (120) with a cam length (N) extends radially outward, such cam (120) can be brought into engagement with corresponding grooves ( 20) of the dental implant (10), and where each meat (120) defines lateral meat surfaces (121), where each meat (120) has an outer diameter (D1) that is less than or equal to the smallest section diameter cone (117), in which the cone sections (17, 117) of the dental implant (10) and the abutment (110) are sized and shaped in such a way that, when the abutment (110) is inserted, the sections cone (17, 117) at least partially touch each other and the indexing sections (18, 118) engage with each other, cervical section, indexing sections (18, 118) are not followed by any guidance section.
    [0010]
    10. Combination according to claim 9, characterized by the fact that the cone sections (17, 117) have tolerance in such a way that, in any pairing between a dental implant (10) and an associated abutment ( 110), the contact between the cone sections (17, 117) occurs adjacent to the coronal front edge (14) of the dental implant (10).
    [0011]
    11. Combination according to claim 9 or 10, characterized by the fact that the surface (19, 119) of the indexing sections (18, 118) between the meat (120) of the pillar (110) and between the branches notches (20) of the dental implant (10) are dimensioned in such a way that the abutment (110) is guided by the surfaces (119) on the surface (19) of the dental implant (10).
    [0012]
    12. Combination according to any of claims 9 to 11 with a pillar screw (111), characterized in that the length of the pillar screw (111) is dimensioned in such a way that the pillar screw (111) cannot be engaged with a threaded section (11) of the dental implant (10) when the abutment (110) rests on an end face of the meat (120) on the platform surface (22) of the dental implant (10) in an intermediate position.
    [0013]
    13. Combination according to any one of claims 9 to 12, characterized by the fact that the implant length (f) of the implant is more than 1.6 mm.
    [0014]
    14. Combination according to any one of claims 9 to 13, characterized in that the groove length (n) extends substantially across the entire indexing length (f).
    [0015]
    15. Combination according to any one of claims 9 to 14, characterized by the fact that, seen in the cervical direction, the indexing section (18) of the dental implant (10) is joined directly by a thread section ( 11) for receiving a pillar screw (111).
    [0016]
    16. Combination according to any of claims 9 to 15, characterized by the fact that the surface (19) of the indexing section (18) of the dental implant (10) has an external diameter (d2) that is larger than 80% of the outer diameter (d1) of the groove.
    [0017]
    17. Combination according to any one of claims 9 to 16, characterized by the fact that the groove surface (21) extends radially and is greater than 0.22 mm2.
    [0018]
    18. Combination according to any one of claims 9 to 17, characterized by the fact that the groove length (n) is greater than 500% of the groove depth (t).
    [0019]
    19. Combination according to any of claims 9 to 18, characterized by the fact that a circumferential platform surface (22) is arranged between the cone section (17) and the indexing section (18) , in which the groove (20) extends in the axial direction to the platform surface (22), and in which a cylindrical section (23) is preferably arranged between the indexing section (18) and the cone section (17 ).
    [0020]
    Combination according to any one of claims 9 to 19, characterized in that it comprises a pillar as defined in any one of claims 2 to 8.
    类似技术:
    公开号 | 公开日 | 专利标题
    BR112012018070B1|2020-11-17|abutment for a dental implant and combination of a dental implant and abutment
    CA2196397C|2005-03-08|Impression coping
    CA2477706C|2011-05-17|Method and apparatus for replicating the position of intra-osseous implants and abutments relative to analogs thereof
    BR112015015009B1|2020-12-08|abutment and method of attaching a abutment to a dental implant
    BRPI0711288B1|2018-06-12|DEVICE FOR FIXING A DENTAL IMPLANT TO A PATIENT BONE TISSUE.
    EP1581139A1|2005-10-05|Device and arrangement for fixture installation
    US9308059B2|2016-04-12|Implant bite registration jig and bite impression fabrication method using the jig
    AU2014347410A1|2015-07-30|Guide stent for dental implant
    ES2315100B1|2010-01-05|DENTAL IMPLANT OF INTERNAL CONE.
    JP2016513508A|2016-05-16|Implant analog
    US20080171301A1|2008-07-17|Depth gauge for use in dental implants
    KR101834765B1|2018-03-06|surgical guide for dental implant
    ES2590002B1|2017-05-31|BLOCK FOR THE MANUFACTURE OF INDIVIDUALIZED DOLLS FOR DENTAL IMPLANTOLOGY AND MANUFACTURING PROCEDURE OF A PERSONALIZED DOLL FOR DENTAL IMPLANTOLOGY
    US20200100876A1|2020-04-02|Cap part for dental scanning
    US20100297573A1|2010-11-25|Stent fixture for an implant for accurate guidance-insertion
    KR102351280B1|2022-01-14|Scanbody assembly
    BR102020004894A2|2021-03-23|PRINTING PIN FOR A DENTAL IMPLANT
    AU2015207851B2|2017-03-02|Dental implant, abutment for a dental implant and combination thereof
    KR101123962B1|2012-03-23|Easily separable measuring tool for dental implant
    EP2481372B1|2014-01-08|A retention system to fix a complete denture in a mandible
    CN112638313A|2021-04-09|Dental prosthesis
    同族专利:
    公开号 | 公开日
    CA2785773A1|2011-07-28|
    JP2013517076A|2013-05-16|
    MX2012008462A|2012-10-03|
    EP3156000A1|2017-04-19|
    KR20160130868A|2016-11-14|
    KR101966509B1|2019-04-05|
    JP6297635B2|2018-03-20|
    HUE031925T2|2017-08-28|
    UA111583C2|2016-05-25|
    EP2525737A1|2012-11-28|
    BR112012018070A2|2017-06-20|
    DK2525737T3|2017-02-27|
    EP2347729A1|2011-07-27|
    US20120301850A1|2012-11-29|
    JP2016193265A|2016-11-17|
    SG182574A1|2012-08-30|
    JP6040030B2|2016-12-07|
    IL220603A|2018-06-28|
    CA2785773C|2017-06-20|
    WO2011089057A1|2011-07-28|
    RU2567596C2|2015-11-10|
    PL2525737T3|2017-06-30|
    ES2616913T3|2017-06-14|
    CN102711659B|2017-08-01|
    US9545293B2|2017-01-17|
    KR20120117875A|2012-10-24|
    CN102711659A|2012-10-03|
    RU2012135700A|2014-02-27|
    PT2525737T|2017-02-27|
    EP2525737B1|2016-11-23|
    AU2011208845A1|2012-08-09|
    NZ600980A|2014-02-28|
    MX350422B|2017-09-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    AT4008B|1900-06-16|1901-05-10|Theodor Wessely|
    DE2734249A1|1977-07-29|1979-02-08|Bayer Ag|THIGH NECK PROSTHESIS|
    GB2199626B|1987-01-08|1991-09-04|Core Vent Corp|Screw-type dental implant anchor|
    US5076788A|1988-10-05|1991-12-31|Core-Vent Corporation|Grooved, cylindrical dental implant anchoring means|
    FR2664808A1|1990-07-23|1992-01-24|Gersberg Eduardo|System of dental implants|
    SE9203184D0|1992-10-28|1992-10-28|Astra Ab|DENTAL IMPLANT|
    US5449291A|1993-12-21|1995-09-12|Calcitek, Inc.|Dental implant assembly having tactile feedback|
    AT400804B|1994-10-10|1996-03-25|Mke Metall Kunststoffwaren|IMPLANT|
    AT171056T|1995-03-20|1998-10-15|Straumann Inst Ag|CONNECTING ARRANGEMENT OF A DENTAL IMPLANT TO A CONE SECONDARY PART|
    DE19534979C1|1995-09-20|1997-01-09|Imz Fertigung Vertrieb|Endosseous single tooth implant with anti-rotation device|
    EP0865260B1|1995-12-04|1999-08-04|Institut Straumann AG|Healing cap for dental implants|
    DE19633570C1|1996-08-21|1998-01-02|Imz Fertigung Vertrieb|Enossal fixed-tooth implant|
    US5782918A|1996-12-12|1998-07-21|Folsom Metal Products|Implant abutment system|
    US6227859B1|1997-05-24|2001-05-08|Franz Sutter|Dental implant and device with a dental implant|
    TR200002901T2|1998-04-08|2000-12-21|Imz Fertigungs-Und Vertriebsgesell-Schaft F�R Dentale|Intra-bone dental implant.|
    SE513111C2|1998-11-11|2000-07-10|Nobel Biocare Ab|Threaded implant and device and method for such an implant|
    IT1317364B1|2000-09-12|2003-06-16|Vincenzo Crudo|PERFECTED IMPLANT FOR FASTENING DENTAL PROSTHESES.|
    GB0108551D0|2001-04-05|2001-05-23|Osseobiotek Ltd|Implant|
    SE520043C2|2001-09-06|2003-05-13|Nobel Biocare Ab|Implants and tightening and spacer means for such implants|
    US6648643B2|2001-12-19|2003-11-18|Biolock International, Inc.|Dental implant/abutment interface and system having prong and channel interconnections|
    DE10231743B4|2002-07-13|2005-03-10|Robert Boettcher|Screw-in endosseous dental implant|
    EP1396236A1|2002-09-06|2004-03-10|Leone S.p.A.|A dental implant and relevant kit|
    IL190642A|2002-11-13|2011-06-30|Biomet 3I Llc|Dental implant system|
    WO2004073541A2|2003-02-21|2004-09-02|Schroeder Ralf|Dental implant comprising a base body and implant post and corresponding base body and implant post|
    DE10315399A1|2003-02-21|2004-09-02|Schröder, Ralf, Dr.|Dental implant with base body and implant post as well as base body and implant post for a dental implant|
    IL156033D0|2003-05-21|2004-03-28|Ophir Fromovich Ophir Fromovic|Dental implant|
    US7249949B2|2004-06-29|2007-07-31|Lifecore Biomedical, Inc.|Internal connection dental implant|
    DE102005001792A1|2005-01-13|2006-07-27|Axel Dr. Kirsch|Tooth implant, comprising wide upper surface at upper edge of lower implant component|
    ES2307352B1|2005-04-12|2009-09-18|Bti, I+D, S.L.|DENTAL IMPLANT AND PARTS INTENDED TO BE CONNECTED TO A DENTAL IMPLANT, AND THE INTERNAL CONNECTION BETWEEN THE DENTAL IMPLANT AND EACH PIECE.|
    EP2119414B1|2005-06-03|2013-04-24|Straumann Holding AG|Coupling for a multi-part dental implant system|
    CN101605507B|2006-12-14|2013-08-14|登特斯普利植入物制造有限责任公司|Arrangement for insertion of implants|
    ES2315100B1|2006-05-23|2010-01-05|Vogul, S.L.|DENTAL IMPLANT OF INTERNAL CONE.|
    US20080131840A1|2006-11-30|2008-06-05|Chun-Leon Chen|Implant root for tooth implanting|
    US7806693B2|2007-04-23|2010-10-05|Nobel Biocare Services Ag|Dental implant|
    US8038442B2|2007-04-23|2011-10-18|Nobel Biocare Services Ag|Dental implant and dental component connection|
    EP2005915B1|2007-06-21|2012-03-21|SIC Invent AG|Dental implant|
    US8794966B2|2009-05-09|2014-08-05|William Hung|Dental implant fixture mount-abutment and ball impression screw|
    US8920170B2|2011-02-21|2014-12-30|Aeton Medical Llc|Abutment and abutment systems for use with implants|
    DE102012110318A1|2012-10-29|2014-04-30|Dentaurum Gmbh & Co. Kg|Dental implant and dental implant system|US20120237899A1|2011-03-03|2012-09-20|Astra Tech Ab|Dental implant assembly|
    CN103251459A|2012-02-15|2013-08-21|林彦璋|Universal artificial tooth implant structure|
    AT512281B1|2012-03-14|2013-07-15|Kern Mario Dr|Attachment for a corresponding pin-shaped dental implant|
    GB201212125D0|2012-07-09|2012-08-22|Nobel Biocare Services Ag|Abutment system and dental methods|
    DE102012110318A1|2012-10-29|2014-04-30|Dentaurum Gmbh & Co. Kg|Dental implant and dental implant system|
    PL2931167T3|2012-12-11|2020-03-31|Kulzer Gmbh|One-part or multi-part implant system comprising a mounting element having one or more outer rings|
    GB2509135A|2012-12-21|2014-06-25|Nobel Biocare Services Ag|An abutment with conical metal adapter|
    GB2509136A|2012-12-21|2014-06-25|Nobel Biocare Services Ag|Dental component with metal adapter|
    GB2509138A|2012-12-21|2014-06-25|Nobel Biocare Services Ag|Dental component with screw fixation|
    USD731655S1|2013-03-15|2015-06-09|Benedict Lui|Dental implant abutment|
    EP2829250B1|2013-07-26|2020-05-13|SIC Invent AG|Dental implant, abutment, implant system and implantation set|
    USD732169S1|2013-09-16|2015-06-16|Benedict Lui|Dental implant abutment|
    IL230438A|2014-01-13|2015-07-30|Boris Fridzon|Conical connection abutment for a dental implant|
    WO2016093778A1|2014-12-12|2016-06-16|Demir Ahmet|Dental implant system|
    EP3095409A1|2015-05-21|2016-11-23|Epiphanostics GmbH|Insertion set for an enossal single-tooth implant|
    CH711879A1|2015-12-08|2017-06-15|Z-Systems AG|Dental Implant System.|
    JP6585579B2|2016-12-16|2019-10-02|東海部品工業株式会社|Implant|
    DE102017007341A1|2017-01-13|2018-07-19|Champions-Implants Gmbh|Arrangement, comprising an implant body and a gingivaformer|
    DE102017101100B4|2017-01-20|2018-12-13|TRI Dental Implants Int. AG|Dental implant abutment|
    RU2017102870A3|2017-01-27|2018-07-27|
    WO2018220612A1|2017-05-29|2018-12-06|MIS Implants Technologies Ltd.|Dental connection system|
    RU2695772C2|2017-07-17|2019-07-25|Никита Сергеевич Черновол|Implant set for implantation|
    US20190142552A1|2017-11-11|2019-05-16|Jiachang Zhang|Gingival cone collars for dental implants|
    TWI676467B|2018-06-29|2019-11-11|光弘生醫科技股份有限公司|Improvement of root structure|
    RU198695U1|2019-03-29|2020-07-22|Эрнест Манукович Абрамян|ABUTMENT|
    RU197545U1|2019-04-29|2020-05-13|Никита Сергеевич Черновол|DENTAL IMPLANT|
    RU195904U1|2019-08-26|2020-02-11|Никита Сергеевич Черновол|DENTAL IMPLANT|
    CN110623762A|2019-10-09|2019-12-31|河南拉瓦医疗技术有限公司|Implant abutment detection platform and in-place condition detection method|
    WO2021255513A1|2020-06-18|2021-12-23|Патрик ПАГЛАВЯН|Surgical instrument set for dental implantation|
    法律状态:
    2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-07-30| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2019-12-24| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law|
    2020-06-02| B09A| Decision: intention to grant|
    2020-11-17| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/01/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    EP10151292.9|2010-01-21|
    EP10151292A|EP2347729A1|2010-01-21|2010-01-21|Dental implant, abutment for a dental implant, combination of the same and an implantation set|
    PCT/EP2011/050407|WO2011089057A1|2010-01-21|2011-01-13|Dental implant, abutment for a dental implant and combination thereof and an implant set|
    [返回顶部]