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    • 专利摘要:
    PARENT FOR DENTAL TREATMENT. The invention relates to a dental treatment appliance, including one or more dental treatment applicators that have at least two walls and a lower part, the walls and the lower part define a cavity configured to accommodate at least one human dental arch and an active agent, one or more energy applicator elements located on at least one of the walls and where the improvement of the appliance comprises paired dental treatment applicators if configured to be applied to both the upper and lower dental arches simultaneously and a quantity of fields and elements of accelerating dental treatment.
    公开号:BR112015007494B1
    申请号:R112015007494-4
    申请日:2014-03-10
    公开日:2020-12-08
    发明作者:Lion Flyash；Kamal Khawaled
    申请人:Colgate-Palmolive Company；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [0001] The present method and apparatus refer to an appliance for dental treatment and in particular to an appliance for whitening teeth. BACKGROUND OF THE INVENTION
    [0002] The external appearance is important for practically everyone. In recent years, methods and devices have been developed for various dental treatments, including tooth fluorination, as a preventive measure against tooth decay (for example, dental caries) and teeth whitening for aesthetic purposes.
    [0003] "Tooth whitening" generally refers to the application of any number of processes, procedures or treatments with chemical and / or physical (mechanical) products, carried out individually or in combination, which result in return, and / or color supply white to the teeth.
    [0004] The chemical agents most commonly used for tooth whitening are oxidizing agents, such as peroxides, some of which are activated when electrically stimulated by heat and / or light.
    [0005] Application of chemical agents was done in the past through the use of an "immersion" tray applied to a dental arch for a given period of time in which the teeth are placed in contact with the chemical agent. The treatment required a lot of patience from the subject due to the amount of time required for the chemical reaction to affect the teeth and, in addition, in some cases the repetition of the treatments.
    [0006] Several advantages have been made in changing the concentration of the chemical agent and / or the amount of time of exposure to the chemical agent, for teeth whitening. For example, allmaterials (methods, devices) involve the use of an electric current to stimulate ion exchange, providing a thin conductive layer on the surface of the teeth, thus increasing the conductivity of the teeth. However, some of the existing techniques are typically based on using an electrical circuit that extends through a part of the body of an individual's non-intrabocal cavity.
    [0007] A typical chemical agent most commonly used for teeth whitening is hydrogen peroxide, although other relatively strong oxidizing agents, in suitable concentrations and conditions of oral application are also used to whiten teeth. Teeth are exposed to such strong oxidizing agents, by which oxidizing agents react, and also possibly chemically degrade substances that discolor teeth. However, applications of techniques to whiten teeth based on the use of oxidizing agents, are usually accompanied by inadvertence or unpredictability, exposure and undesirable components of the non-dental intrabocal cavity, for example, gums and tissue from external surfaces, to oxidizing agents . In some cases, applications of chemical or active agents are accompanied by the application of a process or material to accelerate the bleaching or bleaching agent.
    [0008] US Patent No. 6,340, 301 discloses that the whitening / whitening agent currently used in the whitening technique can be activated by constantly applying heat to the whitening / whitening agent, increasing the temperature of the whitening / whitening agent above normal body temperature (98.6 ° F). with a subsequent and consequent increase in the whitening / whitening reaction, according to Rule Q10, thus activating and accelerating the whitening / whitening process of stained or otherwise discolored teeth.
    [0009] Publication of US patent application No. 2003/0198605 describes a method of teeth whitening, which will employ a combination of an oxidizing composition and an accelerator which, when exposed to a biologically safe and effective level of photoactinic light (for example , light. ÚV) the ability of the oxidizing compound in the bleaching composition to effect rapid bleaching is achieved.
    [0010] US Patent No. 7,775,795 to Khawaled discloses an electrochemical method and a device for treating teeth. The method requires the use of an activation solution, such as a metal salt solution that is applied to the tooth, prior to treatment, to increase the tooth's conductivity. After the increase in tooth conductivity, an ionizable substance is applied to the teeth. Electric current flows from a current source to the teeth through a series of contacts applied directly to the teeth, in order to ionize the ionizable substance and reduce tooth decay.
    [0011] Techniques (methods, devices) currently employed could provide uniform treatment throughout the dental arch, but involve electrical or mechanical contact with the treated teeth. Such contacts can result in some discomfort to the treated subject. In addition, the techniques do not have the ability to easily monitor the parameters: treatment, the quantities of chemicals and application rates applied to a dental arch and a quick response to gum irritation and discomfort to the subject must occur. SUMMARY OF THE INVENTION
    [0012] The present disclosure seeks to provide dental treatment applicators that can be placed in each of the upper and lower human dental arches.
    [0013] Thus, dental treatment applicators are provided, which include two parts - a portable unit and a dental treatment tray. The tray can be designed to be paired with the same or different dental tray so that both dental tray can be equipped at the same time (simultaneously) in their respective upper and lower dental arches, thus treating both dental arches simultaneously and shortening treatment time.
    [0014] The present disclosure also aims to provide applicators for teeth whitening treatment to apply teeth whitening treatment.
    [0015] So it is an applicator for dental treatment that has one or more energy application elements that can be configured to accelerate the whitening activity of the teeth whitening agents applied to a part of the arch or the entire arch. Such energy application elements could apply an active electric current or teeth whitening agent, emit light energy in the course of treatment, such as, for example, light-emitting diodes (LEDs) and apply acoustic energy causing mechanical vibrations or magnetic fields.
    [0016] According to other examples, the energy application elements can be piezoelectric elements that cause desired vibrations and / or permanent magnetic elements or electromagnetic elements that form a magnetic field.
    [0017] According to an example, a dental treatment applicator is also provided, and in particular a dental applicator tray, which may include electrodes configured to apply an electric current to a whitening agent with adequate electrical conductivity. The bleaching agent can be added in a liquid or gel state. The electrodes can be immersed in an active bleaching agent or with an appropriate electrical conductivity placed in the tray. The electrodes can be adhered to the tray walls by a suitable biocompatible adhesive or incorporated inside the walls, in order to have an exposed surface to create an electric current in the bleaching or active agent with adequate electrical conductivity and where the exposed surface does not makes contact with teeth.
    [0018] The DC current flows through the whitening agent, for example, such as a whitening gel or a fluid with proper conductivity can also cause an oxidation reaction and a reduction reaction that is commonly referred to as a "redox reaction" . The redox reaction involves an oxidizing agent suitable for use in the teeth whitening process.
    [0019] According to another example, the dental treatment tray of dental treatment applicators may also include piezoelectric elements that could protrude from the walls of the dental treatment tray in order to come into contact with the gums when the ap.lic. dental treatment additive is applied to the dental arch.
    [0020] When activated, the piezoelectric elements can thus vibrate by massaging the gums, without the abrasive action usually applied by the devices, such as a toothbrush. The effect of massage can temporarily relieve any discomfort or irritation caused by the active agents, which may be in the state of liquid or gel aggregation, and / or oxidation process.
    [0021] According to another example, a dental treatment applicator is also provided, including a dental treatment tray with a cavity to accommodate the dental arch, and whitening or active agent and piezoelectric elements that can be located so that they do not come into contact with the gums when the treatment applicator: dental applied to the dental arch so that, when activated, the piezoelectric elements can vibrate and assist in the uniform distribution of active agents throughout the cavity.
    [0022] The present disclosure also aims to provide dental treatment applicators who are to apply the removal treatment: dé calculus using, for example, piezoelectric elements.
    [0023] According to another example, a treatment tray is also provided: dental from a dental treatment applicator, including piezoelectric elements that can affect the mechanical-acoustic energy in the coating of the calculus of the teeth, generating cavitations in the liquid / liquid and causing the fracture of the stone, loosening and removing it from the enamel of the teeth.
    [0024] According to another example, a dental treatment tray for a dental treatment applicator is also provided, which can also include permanent magnets adhered to the applicator walls by a suitable biocompatible adhesive or incorporated inside the walls so that , to create a magnetic field within the cavity defined by the walls of the tray and thus improve the tooth whitening process carried out by ions of the whitening or active agent.
    [0025] According to another example, a method for the treatment of teeth whitening is also provided which includes the application of active whitening agent in a dental arch and, which could be in a state of liquid or gel aggregation, and activate the active agent through the application of at least one energy form selected from a group of energy forms, including light energy, electrical energy and mechanical-acoustic energy.
    [0026] According to another example, the application of a permanent magnetic field with the dental arch is also provided, while at the same time electrical energy is applied to the active agent.
    [0027] According to another example, dental treatment applicators may also include a fluid-conductive network configured for washing and rinsing the dental arch to be treated, removing the fluid by suction or drying and gently blowing ambient air over the teeth and / or gums. BRIEF DESCRIPTION OF THE DRAWINGS
    [0028] The present method and apparatus will be understood and appreciated more fully from the detailed description below, taken in conjunction with the drawings in which:
    [0029] Figures 1A and 1B are simplified illustrations of the perspective and block views of an apparatus according to an example;
    [0030] Figure 1C is an illustration, simplified from the cross-sectional view using a whip of figures 1A and 1B;
    [0031] Figures ID and 1E simplified illustrations of views in exploded perspectives from another example;
    [0032] Figure 2 is a simplified illustration of the perspective view of yet another example of an applicator for dental treatment for dental treatment;
    [0033] Figure 3 is a simplified illustration of the perspective view of another example of a dental applicator;
    [0034] Figure 4 is a simplified illustration of the perspective view of yet another example of an applicator for dental treatment;
    [0035] Figures 5A, 5B and 5C are simplified illustrations of perspective views of other examples of an applicator for dental treatment;
    [0036] Figure 6 is a simplified illustration seen in perspective of yet another example of pairing dental treatment implants of Figures IA and 1B;
    [0037] Figure 7 is a simplified illustration of the exploded perspective view example of figure 6;
    [0038] Figures 8A and 8B are simplified illustrations of perspective views of yet other examples of an applicator for dental treatment;
    [0039] Figures 9A and 9B are simplified illustrations of perspective views of other examples of an applicator for dental treatment; and
    [0040] Figure 10 is a simplified illustration of the perspective view of yet another example of an applicator for dental treatment. DETAILED DESCRIPTION OF THE INVENTION
    [0041] In the present disclosure all dental treatment applicators described and illustrated as applicators of a single dental arch can be mounted in any of the upper and lower human dental arches and the dental treatment rails can be designed to be paired with the same or different dental treatment trays, so that both dental treatment trays can be adjusted at the same time (simultaneously) on. their respective upper and lower dental arches, thus treating both dental arches simultaneously. Other features, as will be explained in more detail below, include the acceleration of teeth whitening treatment using, for example, electric current, light-emitting diodes (LED), piezoelectric elements and / or a magnetic field and stone removal that employ mainly piezoelectric elements.
    [0042] As shown in figure 1A, the dental treatment apparatus 100 could include a dental treatment applicator or tray 100-1 and a portable unit 118 which will be described in greater detail below. Figures 1A and 1B are simplified illustrations of the perspective view and the block diagram of an example, an upper dental arch (figure IA) and a lower dental arch (figure 1B) of dental treatment applicators or trays 100-1 / 100 -2 can each be trough-shaped, curved into a horseshoe shape, to be configured to accommodate an upper or lower human dental arch and an active agent »When paired, a pair of dental applicators or trays 100 -1 / 100-2 can be configured to accommodate both the upper and lower dental arches simultaneously.
    [0043] Dental treatment applicator or tray 100-1 (figure IA) and 100-2 (figure 1B) may include a curved rear wall 102 and a curved front wall! 04 each integrally connected to the opposite side of the bottom 106 (figure 3 ) and together define a cavity 112 configured to contain a substance, such as, for example, a whitening or active agent (ie the chemical oxidizing agent), which could be in the liquid or gel aggregate state, with an electrical conductivity proper. Likewise, an appropriate conductive active agent could be a liquid or gel for whitening with electrical conductivity, for example, greater than 200-400 microsiemens / cm. The use of such an active agent negates the need for additional activation solutions, such as those used by existing tooth whitening devices. Walls 102/104 can also include energy application elements 138. Energy application elements 138 can be configured to emit energy in the course of tooth whitening treatment, such as, for example, light energy from light emitting diodes. light (LED) 802 (figures 8A and 8B) or electrical energy, such as, for example, application of electrical current through electrodes 140 / 140-1 (figures 6 and 7), as will be explained in more detail below. Power application elements 138 can be configured and switched or controlled to address the treatment of groups of teeth or each tooth. Existing teeth whitening or whitening devices provide uniform treatment throughout the dental arch and are not designed to provide different degrees of treatment for an individual tooth within a human dental arch.
    [0044] Since energy application elements 138 are used to activate and / or accelerate the appropriate whitening agent or active conductor, energy application elements 138 located on walls 102 and 104 do not come into contact with the teeth . In particular, the electric current flowing through the active agent from 140 / 140-1 electrodes could cause a redox reaction to facilitate the teeth whitening process.
    [0045] A rim 114 can be optionally thickened and optionally covered with a resilient material so that when the. dental treatment applicator 100 / 100-1 is placed and accommodated on a dental arch, the rim 114 forms a seal with the gums and prevents the escape of the active agent and in particular, the active agent with adequate electrical conductivity out of the cavity 112 Optionally, the flange 114 can be thickened and configured to extend beyond the opening 140 to a complete blocking point of the opening 170, if desired, dental applicator 100 / 100-1 can be made of any biocompatible material, for example. example, such as clear plastic or silicone so as to facilitate visualization of the level of an active agent within cavity 112.
    [0046] Additionally and optionally, dental treatment applicators or 100-1 / 100-2 trays may also include a fluid-conducting network similar to the 520 network [figure 5) for washing and rinsing the dental arch to be treated and others.
    [0047] The dental applicator or tray 100-1 could be connected via a whip 116 to a portable unit 118 that can include one or more of an alternating current [AC) or direct current (DC) power source 120 ), a DC-124 current generator. A computer or processor 122, a suction / vacuum pump26, a liquid reservoir 128, a gel reservoir 130, an ambient air fan 132 and a waste reservoir 134 could also be included in unit 118. The power source portable.120 could be, for example, a standard AC power outlet or a battery configured to provide power application elements 138 and DC current generator 124. The DC current of generator 124 can be, for example, a rectifier or alternating current (AC) battery. Some of the listed elements may be optional and are not necessarily included in each of the 118 portable units. The whitening or active agent in the gel-added liquid state can be stored and distributed, respectively. from liquid reservoir 128 or gel reservoir 130. Alternatively, the active agent could be filled manually in cavity 112.
    [0048] Portable unit 118 may also include one or more optional valves 160 configured to control the flow of fluids, such as suitable active agents, water and ambient air via harness 116, conduits 150. Valves 160 may be in communication and be controlled by the computer or processor 122.
    [0049] The power application elements 138 can be configured to communicate with one or more between the computer 122, power supply 120 and / or DC current generator 124.
    [0050] As shown in figure 1C, which is a simplified illustration of the cross-sectional view through harness 116 in figure 1, harness 116 can also include one or more of the electrical communication lines 120, data communication lines 132, and conduits 150.
    [0051] The applicator for dental treatment or the 100-2 tray (figure 1B). could be paired (figures 6 and 7) with the dental treatment applicator 100-1 (figure 1A) and can be configured to connect directly to the portable unit 118 through the whip 116-1 or indirectly through the dental treatment applicator or tray 100-1, as will be explained in more detail below. The dental applicator or tray 100-1 can be connected to the harness 116 by one or more electrical and data communications connectors (not shown), such as, for example, a USB connector or any other electrical and communication connector. suitable data known in the art and one or more fluid conduit connectors.
    [0052] As illustrated in figures 1D and 1E, which are simplified illustrations of the perspective views and the exploded view of another example of apparatus 100, where portable unit 118 is connected to the applicator for dental treatment or impression tray 100-1. In a basic implementation, the portable unit 118 can serve as a support handle for convenient handling of the device 100 and includes one or more alternating current (AC) or direct current (DC) 120 power sources. For example, the portable unit 118 can be configured to implement a specific dental treatment protocol and could be replaced with another portable unit 118 when a different dental treatment protocol is desired.
    [0053] Alternatively, and optionally, the portable unit 118 can include one or more disposable components, such as the liquid reservoir 128, the gel reservoir 130 configured to supply the liquid or gel in cavity 112, the waste reservoir 134 and the power supply 120 (figure IA). As described above, portable unit 118 can serve as a handle and be attached to any of the dental treatment applicators or trays 100-1 and 100-2 or to applicators 100-1 and 1002. Portable unit 118 can be designed so that the user can comfortably close his lips around portable unit 1.18 during the treatment session.
    [0054] In another example, illustrated in figure 2, which is a simplified illustration of the perspective view of an example of a dental treatment applicator, the dental treatment applicator or tray 200 may include piezoelectric elements 202 distributed along the walls 102 / 104 at the level of the gums. The piezoelectric elements 202 can protrude from the walls 102/104, in order to come into contact with the gums, when the dental applicator 200 is applied to the dental arch.
    [0055] When activated, piezoelectric elements 202 can vibrate at a frequency between 20 kHz and 36 kHz and, in some examples between 20 kHz and 100 kHz and a power range between 0.02 to -2.0 watt per element, operative to apply a massage effect to the gums without the abrasive action commonly applied by appliances, such as a toothbrush. The massage effect can temporarily relieve any discomfort or irritation caused by active agents and / or the oxidation process within cavity 112. Alternatively, and optionally, piezoelectric elements 202 can be located protruding along walls 102/304 (for example, at the level of the gums), so that it does not come into contact with the gums, when the dental applicator 200 is applied to the dental arch (a layer of suitable biocompatible electrically insulating material may cover the piezoelectric elements.) . In this configuration, when activated, the piezoelectric elements 202 can vibrate and assist in uniform distribution and mix the active agents along the cavity 112 to accelerate the teeth whitening activity. The mixing activity of the piezoelectric elements 202 can also replace the active agents in areas where the activity / concentration of the active agent has been reduced by, for example, being diluted by saliva.
    [0056] Additionally and optionally, piezoelectric elements 202 can vibrate at a frequency between 20 kHz and 36 kHz and, in some examples between 20 kHz and 100 kHz and a power range between 0.02 to 2.0 watt per element that can lead to the superficial debridement of one or more layers of the gum cells and thus stimulate the inflamed gum tissue to regrow and heal.
    [0057] Figure 3, which is a simplified illustration of a perspective view of another example of a dental treatment applicator. The applicator or tray 300 can be used as a scraper to treat dental stone removal. As illustrated in figure 3, the piezoelectric elements 302 distributed that protrude along the walls 102/104 (for example, at the level of the teeth}, make contact with the teeth when the dental applicator or tray 300 is applied in the dental arch .
    [0058] When activated with a frequency between 20kHz and 36kHz and, in some examples between 20 kHz and 100 kHz and a power range between 0.02 to 2.0 watt per element, the piezoelectric elements 302 can act as dental scalers by performing mechanical-acoustic energy in the calculation of the teeth, generating cavitations around the fluid or liquid that generate shockwave effects in the liquid causing the calculus to fracture, loosening and moving it away from the tooth enamel.
    [0059] Cavitations induced by piezoelectric elements 302 can also increase the effect of chemical reactions, mainly because of the high energy created by the temperatures and pressure emitted by the large amount of implosion of individual cavitation bubbles in the calculation and in the liquid.
    [0060] In the presence of the liquid, the activation of the piezoelectric elements 302 can generate vibrations inducing turbulent movement of the liquid that can help to remove the plaque from the tooth surface and extract the gum bags. This activity can complement the cavitation-induced stone removal activity. The turbulent movement of the liquid or gel can also be used to maintain a homogeneous concentration of the whitening or active agent in the cavity 112 and, in some examples, the piezoelectric elements 302 can be activated together with the application of DC current.
    [0061] The dental treatment applicator 300 may also include multipurpose openings 502 (figure 5) that can be used to wash cavity 112 with a liquid, such as water stored in the optional liquid reservoir 128 or gel reservoir 130 (figure IA) during or after the stone removal treatment. The wash can also be used to cool the teeth and gums from the heat generated by the piezoelectric elements 302. The wash liquid can be removed by aspiration, as explained below.
    [0062] Reference is now made to figure 4, which is a perspective view illustrating another example of a simplified dental applicator. As described in Water Electrolysis Under a Magnetic Field by T. lidaet al. (Journal of the Electrochemical Society 2007, vol. 154, no8, [Note (s): E112-E115]), the energy efficiency of water electrolysis is considerably improved under a high magnetic field. Thus, the application of water electrolysis based on whitening or activating agents (that is, oxidizing chemical agents), under the conditions of a magnetic field can intensify the process and accelerate it, shortening the waiting time of the individual to be treated . As mentioned above, the simultaneous treatment of both dental arches also contributes to reducing the individual's waiting time, at least halving dental treatment time.
    [0063] The dental treatment applicator 400 may also include permanent magnets 402/404 adhered to walls 102/104 by one. suitable biocompatible adhesive or incorporated into the walls 102/104, in order to create a magnetic field inside the cavity 112 and, thus, improve the process of teeth whitening carried out by, for example, through the application of DC Current through electrodes 140 / 140-1.
    [0064] In some situations, the use of permanent magnets in dental treatment applicator 400 can also simplify the treatment by making a magnetic field in cavity 112 directing the movement of free ions in the liquid in cavity 112, thus avoiding the need to apply a DC electric current to electrodes 140 / 140-1 (figures 6, 7 and ÔB).
    [0065] Reference is now made to figures 5A, 5B and 5C, which are simplified illustrations of the perspective views, of yet another example of a dental treatment applicator. As shown in figure 5A, the dental applicator or tray 500 can be configured, for example, for washing and rinsing the dental arch to be treated. Fluid conducting network 520 may include one or more multipurpose openings 502 in walls 102/104 that communicate with one or more common passages 504, shown in Figure 5A by dotted lines, within and along walls 102/104 and bottom 106 and which, in turn, communicates with one or more liquid reservoir 328, gel reservoir 130 and waste reservoir 134 in the portable unit 118 via dedicated conduits 150 (figure 1C) inside the harness 116 or the portable unit 118 .
    [0066] The fluid conducting network 520 and multipurpose openings 502 can act as the nozzles to supply the oxidizing chemicals or active agents stored in the liquid reservoir 128 or in the gel reservoir 130 (figure IA), through one or more conduits 150 (figure 1C) in harness 116, through passages 504 and into cavity 112. The amount of oxidizing chemicals or fluorination agents and the delivery rate in cavity 112 can be controlled via one or more valves 160 ( figure 1C) by the computer or processor 122 (figure IA) according to a predetermined protocol.
    [0067] Additionally or alternatively, and, optionally, the fluid that is conducted through the multi-purpose openings 502 of the fluid conducting network 520 can act as intake ports, which communicate with the suction / vacuum pump 126 (figure IA ) through one or more conduits 150 (figure 1C), whip node 116 and common passages 504 to support the rapid evacuation of cavity 112 of all liquid material in the waste reservoir 134 (figure IA). To avoid the formation of a vacuum in cavity 112, evacuation of liquid material could be immediately or concurrently followed by the introduction of ambient air into cavity 112 by the ambient air fan 132 (figure 1A) through one or more conduits 150 (figure 1C) in the harness 116, the common passages 504 and through the multipurpose openings 502.
    [0068] In addition or alternatively, and optionally, the multi-purpose openings 502 of the fluid conducting network 520 can be used to wash cavity 112 with a liquid, such as water stored in liquid reservoir 128 or in gel reservoir 130 (figure IA), through one or more conduits 150 (figure 1C) in the harness 116, through the common passages 504 and in the cavity 112. The wash can also be used to cool the teeth and gums from the heat generated by the elements applying energy 138 by activating active agents (ie chemical oxidizing agents) during treatment. The washing liquid can be removed by suction in the manner explained above.
    [0069] In another example described in figure 5B, the dental applicator 550 can also include two or more resilient dividers 552, positioned in pairs, distributed along walls 102/104 so that each partition on one of the walls 102 / 104 is in front of its partition paired to the opposite wall 102/104 and normal to the bottom plane 106. Dividers 552 separate walls 102/104 into pairs of segments, each segment on one of the walls 102/104 is opposite to its segment paired on the opposite wall 102/104. Each segment can include at least one DC current electrode and at least one 502 multipurpose opening. The DC electrode locating frequency and multipurpose openings can be configured to support the treatment of each individual tooth. The electrodes are positioned so that they do not come into contact with the adjacent teeth when the applicator is applied to the dental arch.
    [0070] In this example, the computer or processor 122 (figure IA) can be configured to control the location and rate of suitable bleaching agents or conductive assets (for example, oxidizing chemical agents with an electrical conductivity higher than 200 to 400 microsiemens / cm) introduction and activation during treatment according to a predetermined protocol predefined by a user. Partitions 552 can be located between two adjacent teeth in such a way that each segment accommodates at least a single tooth, with each tooth being treated individually. In the case of teeth whitening, for example, the treatment of individual teeth can compensate for the uneven distribution of color or discoloration of the various teeth. The computer or processor 12.2 can be configured to control and adjust the treatment of each tooth individually based on signals received from the sensors in the dental treatment applicator, such as, for example, from an optical sensor 580, as will be explained lower.
    [0071] The location of the multipurpose openings 502 of the fluid conducting network 520 along the height of the walls 102/104 (i.e., the normal axis to the bottom plane 106) can be determined and stipulated for a specific treatment. As shown in figure 5C, the multipurpose openings 502 can be distributed along just the gum line. This example can be used, for example, for the purpose of washing and cooling the gums after a dental treatment session,
    [0072] The dental treatment applicator 570, shown in figure 5C can also include at least one sensor selected from a group of sensors including a temperature sensor 572, a liquid level meter 576, such as, for example, a capacitive sensor, an oxygen sensor 578, an optical sensor 580, and a pH meter 582. The sensors can be configured to provide the computer or processor 122 (figure IA) with a response including real-time treatment parameters in relation to the ongoing dental treatment. The computer or processor 122 can be configured to adjust the treatment process based on the treatment parameters received from the sensors 572/576/578/580 and 582 from various locations, introduction and activation of active agents (for example, oxidizing chemical agents) , completely interrupts the treatment, evacuating the cavity 112 from any material, the washed cavity 112 with the washing and / or coolant or any other adjustment considered necessary, according to the data received.
    [0073] For example, an optical sensor 580 can be a color verification sensor that can monitor changes in the color of a single tooth or several teeth and signal computer 122 (figure 1) when a desired level of whiteness is reached.
    [0074] Alternatively or additionally and optionally when using, for example, a dental treatment applicator, such as that described in figures 5B, several optical sensors 580 can be configured to monitor the colors of the teeth individually within a segment of a dental arch or across a complete dental arch and provide the computer 122 with information about the color of the individual teeth, so that computer 122 can analyze the color differences between the various teeth based on the signals received from the optical sensor 580 and thus vary the individual dental treatment.
    [0075] Real-time treatment parameters may include one or more parameters selected from a group of parameters, including the temperature inside cavity 112, the capacitance between the electrodes, the impedance between the electrodes, the level of activity ( that is, oxidation level) of the active agents, the concentration of substance of the active agents within the cavity 112, color of the teeth, the level of liquid inside the cavity 112 and others.
    [0076] Reference is now made to figures 6 and 7, which are simplified illustrations of the perspective view of pairing examples of dental treatment applicators or. 100-1 and 100-2 molders. As shown in figure 6, 100-1 / 100-2 dental applicators can be paired and configured so that they comfortably accommodate both the upper and lower dental arches simultaneously, thus at least halving the time required for dental treatment (ie, reduces dental treatment time by at least 50 percent).
    [0077] Additionally and optionally, dental treatment applicators or 100-1 / 100-2 trays can each be operative to apply a different dental treatment to their corresponding dental arch thus supporting the application of different treatment protocols for different dental arches simultaneously, eliminating the need for separate treatment time for each
    [0078] treatment. Figure 7, which is an simplified illustration seen in an exploded perspective of the dental treatment applicators or paired trays 100-1 / 100-2 of figure 2, describes one or more electrical connectors and data communication 702 / 702-1 comprising male components 702 and female 702- 1, each located, for example, but not necessarily, at the bottom 106 of each of the 100-1 / 100-2 paired dental applicators or trays. Electrical and data communication connectors 702-1 / 702-2 facilitate electrical and data communication between 100-1 / 100-2 dental applicators avoiding: the need for the 100-2 dental applicator to directly connect to portable unit 118 and bypassing the whip 116-1 (figure 1).
    [0079] the bottom 106 of the dental treatment applicators or paired trays 100-1 / 100-2 are configured to be connected and can be removed from each other by connections 704 that facilitate the coupling and decoupling of the dental treatment applicators 1001 / 100-2 to another. Connections 704 can be, for example, strips of a light adhesive tape that allows the detachment of dental treatment applicators or paired trays 100-1 / 100-2 to be detached from each other by the effort of a gentle force or an adherent closure, such as the Velcro® (Velcro®, Amsterdam, The Netherlands). Alternatively, and optionally, connections 704 may be relatively weak magnets that allow decoupling of dental treatment applicators 100-1 / 100-2 from each other by a gentle force. Connections 704 are shown in the dental treatment tray 100-1 of figure 7 by dotted lines.
    [0080] As it is known in the art, both the fluorination and the teeth whitening procedures benefit from ionization by electrolysis of the fluorination and oxidizing agents, using an electric current through it. In addition, agents such as peroxides undergo oxidation in the presence of moisture, proteinaceous material (oral tissues), light and / or heat. Thus, the application of heat and light to the active agents, which may be in the state of liquid or gel aggregation (for example, oxidizing chemical agents) can activate the process, intensify and accelerate, shortening the waiting time of the individual to be treated . As mentioned above, the treatment of both dental arches simultaneously also contributes to reducing the individual's waiting time by at least halving the dental treatment time.
    [0081] Reference is now made to figure 8A, which is a simplified illustration of a perspective view of an example of a dental applicator, as depicted in figure 8A, the dental or applicator applicator 800 with two elements of power application 138. Figures IA and 1B can be 802 light emitting diodes (LEDs).
    [0082] 802 LEDs can emit an effective level of actinic light (for example, UV light) and activate active agents such as whitening compositions or fluorination compositions introduced into cavity 112 to obtain teeth whitening or rapid assimilation fluoride through the teeth. In addition, 802 LEDs also generate additional heat to intensify the process, speeding it up and shortening the waiting time for the individual to be treated.
    (0083] Referring again to figures 4, 6, 7 and 8B, the power application elements 138 (figures IA and 1B) may be DC current electrodes 140 / 140-1 (figures 4, 6, 7 and 8B) positioned on the internal surfaces of walls 102 and 104 and communicate with DC current generator 124 and computer 122 (figure IA). The polarity of the electrodes DC current 140 is opposite to the polarity of the electrodes 140-1, that is, if current electrodes DC 140 have a negative polarity (cathode), electrodes 140-1 have a positive polarity (anode) and vice versa, the maintenance of a voltage between them generates a current, when an active agent with adequate electrical conductivity , for example, a tooth whitening gel or liquid, is placed in cavity 112, in contact with both electrodes 140 and 140-1.
    [0084] When the application of DC current energy is made in the dental arch through DC current electrodes 140 / 140-1, in the presence of a suitable conductive liquid, gel or whitening agent, the current generated between the electrodes activates the oxidizing agent thus increasing the activity of the agent, accelerating the treatment. In addition, the DC current energy applied by the DC 140 / 140-1 current electrodes generates heat inside the active agent, which can be a liquid or gel, further accelerating the treatment and reducing the waiting time of the individual to be treated. . The electrodes 140 and 140-1 are placed on walls 102 and 104, so that when the treatment trays 100-1 / 100-2 are placed on the electrodes of the respective dental arches 140 / 140-1 contact only the liquid or gel with electrical conductivity and do not make contact with the teeth themselves. In such a configuration, when using an appropriate conductive gel which may be a gel having, for example, conductivity greater than 200-400 microsiemens / cm, no additional activating agent or solution is required.
    [0085] Alternatively, and optionally, and as shown in Figure 8B, the dental treatment applicator 800 may include both electrodes that apply DC 140 / 140-1 current and light-emitting diodes (LEDs) 802. LEDs 802 can be activated to generate photoactinic light and generate heat to sensitize and start the activation of the whitening or fluorination composition followed by electrodes 140 / 140-1 activating in order to cause the complete activation of the composition of the whitening or active agent without additional temperature rise the compositions of the active agent and / or dental arch (teeth and / or gums) and to avoid the discomfort of the individual to be treated. In this configuration, the LED light 802 and the electrodes 140 / 140-1, controlled by computer or processor 122 that can individually treat each tooth or segment of the dental arch.
    [0086] Alternatively and optionally, and as shown in figure 9A, which is a simplified illustration of the perspective view of another example of a dental applicator, the dental applicator 800 one or more electrodes 902 may be in shape of an electrically conductive strip and placed along the curved surface of the wall 102 and / or 104. In another configuration, shown in figure 9B, continuous electrodes in the form of electrically conductive strips 902/904 are placed on the walls 104 and 102 , respectively, and was only in contact with the fluid or gel of adequate electrical conductivity and does not come into contact with the teeth itself. During treatment, the 902/904 electrodes can be electrically connected to the opposite electrical poles in order to cause a redox reaction that facilitates the teeth whitening process.
    [0087] As shown in figure 10, which is a simplified illustration of the perspective view of yet another example of a dental treatment applicator with energy application elements 138 of figures IA and 1B can be a plurality of elements that apply DC current 1002 / 1002-1.
    [0088] The polarity of the elements that apply DC current 1002 is opposite to the polarity of the elements that apply DC current 1002-1, that is, if the elements that apply DG 1002 current have a negative polarity (cathode), the elements that apply current DC 1002-1 have a positive polarity (anode) and vice versa, maintains a voltage between them and generates a current when an electrolytic chemical agent is placed in cavity 112, in contact with both DC 1002 and 1002- current elements. 1.
    [0089] Additionally and optionally, the elements that apply DC current 1002-2 / 1002-1 can be supplied individually by the DC current energy generator 124 and individually controlled by a computer or processor 122 so that the current continues between the pairs of Elements that apply DC current 1002-2 / 1002-1 can vary in several places along the dental arch that is being treated by the activated bleaching gel with adequate electrical conductivity and applies a treatment. or more segments of the dental arch or for each individual tooth without making contact with the teeth. For example, dental treatment can range from treatment in discrete locations through local activation (for example, providing a gradient of activity level along the dental arch) to complete dental arch treatment or teeth whitening fluoridation treatment.
    [0090] It will be appreciated by those skilled in the art that the present apparatus and process are not limited to what has been particularly shown and described previously. Instead, the scope of application of the apparatus and processes includes both the combinations and subcombination of various characteristics described above, as well as the modifications and variations that may occur to a person skilled in the art when reading the previous description and that are not in prior art.
    权利要求:
    Claims (17)
    [0001]
    1. An electrochemical tooth whitening device comprising: a dental treatment tray (500) configured to be applied to any of the upper or lower dental arches, the tray (500) having at least two walls (102, 104) and a lower part (106), the walls (102, 104) and the bottom (106) define a cavity (112) configured to accommodate at least one dental arch and an active agent; two electrodes (140), a first of the electrodes (140) located on a first of the walls (102,104) of the tray (500) and a second of the electrodes (140) located on a second of the walls (102, 104) of the tray (500 ), the electrodes (140) having an exposed surface, the electrodes being configured so that in use, the exposed surface does not contact the teeth and an electric current can be applied to the active agent in the cavity (112) of the tray (500); and at least one light-emitting diode (802) located on each of the walls (102, 104) of the tray (500); and a computer (122); CHARACTERIZED by the fact that: the dental treatment tray (500) also comprises at least one optical sensor (580), the optical sensor (580) configured to supply the computer (122) with signals, including real-time treatment parameters in relation to to the dental treatment in progress, and in which the computer (122) is configured to adjust the treatment process based on the signal received from the optical sensor (580).
    [0002]
    Apparatus according to claim 1, further characterized by a portable unit (118) which includes at least one alternating current (AC) or direct current (DC) power source (120), and a generator DC current (124).
    [0003]
    3. Apparatus, according to claim 2, CHARACTERIZED by the fact that the DC current generator (124) is configured to apply electrical current to the electrodes (140) to accelerate at least one oxidation reaction of the active agent.
    [0004]
    Apparatus according to claim 1, further characterized by comprising a plurality of piezoelectric elements (202) distributed along the walls (102, 104) of the tray (500).
    [0005]
    5. Apparatus according to claim 4, CHARACTERIZED by the fact that the piezoelectric elements (202) protrude from the walls (102, 104) of the tray (500) in a location such that it contacts the gums when the tray is applied to the dental arch.
    [0006]
    6. Apparatus, according to claim 4, CHARACTERIZED by the fact that the piezoelectric elements (202) are configured to vibrate at a frequency between 20kHz and 36kHz.
    [0007]
    7. Apparatus according to claim 2, CHARACTERIZED by the fact that the tray (500) is connected to the portable unit (118) by a harness (116).
    [0008]
    8. The apparatus according to claim 1, further comprising a portable unit (118) coupled to the tray (500) by a whip (116), the portable unit (118) comprising at least one of the liquid reservoir (128 ) to store a liquid and a gel reservoir (130) to store a gel, the portable unit (118) being configured to deliver the liquid or gel to the cavity (112) of the tray (500).
    [0009]
    9. The apparatus according to claim 8, further comprising one or more openings (502) in the walls (102, 104) of the tray (500), one or more openings (502) communicating with at least one of the liquid reservoir (128) and gel reservoir (130) through one or more conduits (150) in the harness (116).
    [0010]
    10. Apparatus, according to claim 9, CHARACTERIZED by the fact that the computer (122) is configured to control: (1) activation of the electrodes (140) and the light-emitting diode (802); and (2) location and rate of introduction of the liquid and gel into the cavity (112).
    [0011]
    11. Apparatus, according to claim 1, CHARACTERIZED by the fact that the walls (102, 104) also comprise partitions (552), positioned in pairs, distributed along the walls (102, 104) so that each partition ( 552) is opposite its paired partition (552), dividing the walls (102, 104) into pairs of segments, where each of the pairs of segments comprises at least two electrodes (140) and at least one optical sensor (580) , and the computer (122) individually controls the electrodes (140) on each segment pair based on the signals received from the optical sensor (580) on that segment pair.
    [0012]
    12. Apparatus, according to claim 1, CHARACTERIZED by the fact that the tray (500) also comprises permanent magnets attached to the walls and operative to create a magnetic field inside the cavity (112).
    [0013]
    13. Apparatus according to claim 1, CHARACTERIZED by comprising two of the trays (500) coupled together and configured to accommodate both the upper and lower dental arches simultaneously.
    [0014]
    14. The apparatus according to claim 13, CHARACTERIZED by the fact that a first of the trays (500) comprises a first data communication connector (702) and a second of the trays (500) comprises a second data communication sensor (702-1), the first and second data communication connectors (702, 702-1) configured to be coupled together to facilitate electrical and data communication between the first and second tray (500).
    [0015]
    15. Apparatus according to claim 1, CHARACTERIZED by further comprising a plurality of dividers (552) positioned on each of the walls (102, 104) and arranged in pairs so that each partition (522) on one of the walls ( 102, 104) is opposite one of the partitions (552) on the other one of the walls (102, 104), the partitions (522) separating the walls (102, 104) into segments.
    [0016]
    16. Apparatus, according to claim 15, CHARACTERIZED by the fact that each of the segments includes at least one of the electrodes (140).
    [0017]
    17. Apparatus according to claim 16, CHARACTERIZED by the fact that each segment accommodates at least a single tooth, and the computer (122) is configured to control and adjust the treatment of each individual tooth.
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    法律状态:
    2018-01-30| B25A| Requested transfer of rights approved|Owner name: COLGATE-PALMOLIVE COMPANY (US) |
    2018-11-13| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-04-14| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-09-08| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-12-08| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/03/2014, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201361864648P| true| 2013-08-12|2013-08-12|
    US61/864,648|2013-08-12|
    PCT/IL2014/000017|WO2015022680A1|2013-08-12|2014-03-10|An apparatus for dental treatment|
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