37 results about "Veneer" patented technology

In some embodiments thereof, the present invention discloses systems and methods for expeditiously designing and fabricating properly-fitted dental prostheses. A customizable arch-shaped apparatus approximating dentition is employed intraorally to register positional and relational characteristics between maxillary and mandibular arches, including the vertical dimension of occlusion. The apparatus is configured to allow accurate interface with oral anatomy via its constituent material(s) being pliable and moldable preferably but not necessarily when heated. Representations of dentition may be integrated on the apparatus to aid proper positioning. Intraoral scan data detailing precise arch dimensions is either referenced from pre-existing patient records or procured through digital oral scanning of the apparatus in situ. The registered positional relationships and acquired scan data are jointly utilized to virtually model and subsequently manufacture bridgework, veneers or dentures; the apparatus allowing dentition to be modeled and fabricated in a singular office visit prior to a final, confirmatory try-in where minor adjustments may ensue.

Customized temporary veneers. The customized temporary veneers are configured to be temporarily attached to a target region of an individual's dental arch and include a plurality of tooth-covering regions, at least one joining region, and a gum-proximate region. Each tooth-covering region includes a corresponding vestibular region configured to at least partially cover a vestibular surface of a corresponding tooth of the dental arch. The at least one joining region operatively attaches a pair of adjacent tooth-covering regions to one another. The gum-proximate region extends from the plurality of tooth-covering regions and is configured to extend at least partially between the plurality of tooth-covering regions and a gum of the individual's dental arch. The corresponding vestibular region defines a vestibular region thickness, and the gum-proximate region tapers from the vestibular region thickness to a gum-proximate edge that defines a gum-proximate edge thickness.

The invention relates to a kit (100) consisting of a device for gradually changing the position of teeth of a person (P), comprising at least two devices (10), each device (10) comprising at least one jaw device (11, 12), the at least one jaw device (11, 12) being designed such that a receiving region of the jaw device (11, 12) can be placed on a dental arch of an upper jaw (OK, 5) or a lower jaw (UK, 4) of the person (P), the device (10) is designed in such a way that, when the device is worn according to a predetermined sequence of the device (10), the device progressively changes the tooth position by mechanical interaction of the device and the at least one tooth element. The at least one jaw device (11, 12) of the first device (10.1, 10.2) can have a first contact element (N.I.1.2, N.IV.1.2) on the outer side thereof as a sub-region of the first device (10.1, 10.2). The at least one jaw device (11, 12) of the second device (10. N) can have a second contact element (N.I.1. N, N.IV.1. N) on the outer side thereof as a sub-region of the second device (10). The first facing element (N.I.1.2, N.IV. 1.2) can be located at the same position as the second facing element (N.I.1. N, N.IV. 1. N) according to the dental scheme. The receiving region of the first facing element (N.I.1. 1.2, N.IV.1. 1.2) can be designed differently from the receiving region of the second facing element (N.I.1. N, N.IV.1. N) and / or has a different position from the receiving region of the second facing element (N.I.1. N, N.IV.1. N), said difference being suitable for causing a gradual migration of the tooth element, and wherein the tooth element is arranged in the receiving region of the second facing element (N.I.1. N, N.IV.1. N). The front side wall thickness of the second facing element (N.I.1. N, N.IV.1. N) is different from the front side wall thickness of the first facing element (N.I.1.2, N.IV.1.2).

The invention discloses a medical ultra-thin false tooth veneer, and relates to the field of false teeth, the medical ultra-thin false tooth veneer comprises a fixed bottom sheet and a cover sheet, and the fixed bottom sheet and the cover sheet are provided with a connecting assembly.According to the medical ultra-thin false tooth veneer, through cooperative arrangement of a mounting groove, a pushing plate, an extruding plate and other structures, when the medical ultra-thin false tooth veneer is used, the fixed bottom sheet is bonded to the outer portion of a false tooth through glue; then the cover piece covers one side of the fixed bottom piece, the extrusion plate moves to the position between the two pushing plates, the pushing plates are opened, meanwhile, the connecting blocks are inserted into the connecting grooves correspondingly, the fixing blocks abut against one sides of the connecting blocks in cooperation with the first springs, and after the extrusion plate completely moves into the mounting groove and the cover piece is attached to the fixed bottom piece, the fixing blocks make contact with the fixing grooves; when installation and replacement are completed, the cover piece is cut, the extrusion plate is taken out, and the fixing block is separated from the fixing groove, so that the problems that the false tooth is easily damaged and the applicability is reduced due to repeated replacement are avoided as much as possible.

Dental matrices and crowns are disclosed for making dental veneers and crowns on a tooth. The dental matrix is adapted for the specific tooth type (e.g., premolar, molar, canine, incisor, palatal, lingual) being treated in a single treatment, which results in a veneer on the tooth, which may then be resurfaced, for an aesthetically pleasing appearance. A dental matrix for forming a crown on a tooth includes a body having an expandable tab, which allows the diameter of an opening to be expanded for removal of the matrix from the formed crown.

This invention provides a dental enamel veneer restorative material and its preparation method, belonging to the technical field of ceramic molding products. To further improve the adhesion of dental veneer materials, reduce the amount of tooth structure removed, and decrease the risk of chipping and detachment, this invention uses zirconium oxide, alumina, hydroxyapatite, dimethylsilylated silica, silicon dioxide, fluorapatite, magnesium oxide, thermosetting acrylic resin, aluminum hydroxide gel, silane coupling agent, polyvinyl alcohol, and sodium inositol hexaphosphate as raw materials. These components are combined in specific proportions, and a special process is used to prepare the dental veneers. While ensuring good biocompatibility, high hardness, and wear resistance, this invention further improves adhesion, reduces the amount of tooth structure removed, decreases the risk of chipping and detachment, extends service life, and provides a better user experience.

This invention belongs to the field of medical devices, specifically relating to a veneer bonding guide, an auxiliary positioning plate, and a pressing tool for veneer bonding. The guide includes a guide body comprising a positioning part, a lingual part disposed on the lingual side of the positioning part, and a labial part disposed on the labial side of the positioning part. The positioning part includes a plurality of spaced positioning grooves that engage with the incisal edge of the tooth and position the veneer horizontally relative to the tooth. The labial part positions the veneer vertically relative to the tooth. The veneer bonding guide of this invention, through positioning with the patient's teeth, assists the dentist in finding the accurate position of the veneer on the corresponding tooth and achieves the function of retaining all veneers. The auxiliary positioning plate of this invention can position the neck of all veneers at once, eliminating the need for the dentist to press each veneer individually, simplifying the dentist's operation and avoiding the problem of veneer breakage caused by excessive pressure on a single veneer.

The present invention relates to a ceramic mixture which is suitable for producing moulded articles, preferably dental moulded articles, and to methods for producing the ceramic mixture. The invention also relates to the use of a ceramic mixture for producing moulded articles, preferably dental moulded articles, in particular dental restorations, such as an inlay, onlay, veneer, crown, bracket, bridge, framework, abutment or implant. The invention also relates to methods for producing a moulded article, preferably a dental moulded article comprising applying a ceramic mixture to a carrier or to a positive model, and solidifying the moulded articles thus obtained by gel formation, preferably by means of a standard 3D printer capable of processing paste-like materials. The gel-like moulded article thus obtained can be worked in the gel-like and / or dried state. In a preferred embodiment, the paste-like materials are applied such that the moulded article has an inner layer consisting of a first ceramic material and an outer layer consisting of another ceramic material. The paste can be applied in horizontal layers and / or points and in vertical layers and / or points. The moulded article is preferably a dental moulded article.

The invention relates to the technical field of oral instruments, in particular to a guide plate for direct resin veneering of multiple continuous teeth and a manufacturing method of the guide plate, and the guide plate comprises two retention parts used for sleeving and repairing corresponding teeth on two sides of a tooth position; the lip and tongue surface forming parts can be arranged on a tooth body needing to be repaired in a sleeving manner and are provided with injection channels; the plurality of sheet pressing parts are embedded between the two corresponding adjacent lip and tongue surface forming parts in a working state, and the corresponding forming sheets are clamped through the matching of the sheet pressing parts and the lip and tongue surface forming parts; the retention component, the lip and tongue surface forming component and the tabletting component are all fixedly connected to the connecting component; wherein the side wall of each retention part is matched with the corresponding side wall of the corresponding lip and tongue surface forming part, and the corresponding forming sheet is clamped through the matching of the retention parts and the lip and tongue surface forming parts. The manufacturing method can be used for processing the guide plate.

The utility model relates to the field of artificial board hot pressing and pasting, disclose a kind of high -efficient hot pressing and pasting equipment of adhesive film paper veneer artificial board, including machine table, the upper side of the machine table is provided with conveyer, the upper side outer wall of the machine table is fixedly connected with support, the left side outer wall of the support is fixedly connected with fixed plate, the upper side of the fixed plate is rotatably connected with gear, the left side outer wall of the support is fixedly connected with support rod.The utility model in the present application, by being provided with push plate and tooth plate etc., when artificial board passes below fixed plate, the movement of push plate is driven to the direction of artificial board by the operation of electric push rod, the movement of push plate drives tooth plate to move left by connecting block, the movement of tooth plate drives the rotation of gear to make the tooth plate of other side move, the push plate of other side is synchronously moved to artificial board by the connecting block of other side, so that artificial board is centered, and subsequent hot pressing and pasting operation is facilitated, and the quality of finished product is improved.

This utility model discloses a veneer cutting and cleaning device, which includes: a worktable with a serrated groove, a collection port at the bottom of the groove connected to a collection pipe, a scraper inside the groove, a support plate between the scraper and the bottom of the groove, and a first drive mechanism connected to the support plate for horizontal reciprocating movement; and a serrated cutting plate on the worktable, connected to a second drive mechanism for vertical movement, so that the cutting plate and the groove work together to cut serrated edges from the veneer. This veneer cutting and cleaning device uses the support plate to support the leftover material from the veneer cutting, and the first drive mechanism to move the support plate away from the groove, causing the scraper to push the leftover material into the collection port, thus achieving automatic cleaning of the leftover material.

Embodiments of the present invention relates to monolithic fixed crown or veneer prosthesis (100) comprising a monolithic prosthesis body (110) having a facial surface (111). The facial surface (111) comprises plurality of reflective flat surface portions (200) which are an integral part of the monolithic prosthesis body (110) wherein at least two of the reflective flat surface portions (200) have different orientations such that an incident beam is reflected at different angles from the reflective flat surface portions (200) with different orientations.

The utility model belongs to the technical field of dentistry, and particularly relates to a novel veneering processing box which comprises a box body and two sealing covers, a plurality of containing grooves are formed in the upper end and the lower end of the box body, turning plates are rotatably connected to the upper end and the lower end of the box body, a plurality of placing grooves are formed in the surfaces of the turning plates, and the sealing covers are arranged at the upper end and the lower end of the box body in a sleeved mode. Fixing devices are arranged on the two sides of the box body and comprise fixing strips, the side walls of the fixing strips are fixedly connected with the side walls of the box body, a storage device is arranged at the end, away from the box body, of the sealing cover and comprises a transparent plate, the bottom end of the transparent plate is fixedly connected with the surface of the sealing cover, and a collecting groove is formed in the surface of the transparent plate; the surface of the transparent plate is rotationally connected with a barrier strip; by arranging the whole device, a plurality of veneers can be conveniently treated together and can also be conveniently turned over, so that the working efficiency is improved, and meanwhile, the situation that the veneers are polluted in the traditional treatment process can also be reduced.

The application provides a manufacturing method and a using method of a personalized precise tooth-removing guide plate, and belongs to the technical field of oral micro-invasive repair. The manufacturing method comprises the following steps: obtaining a digital impression or model of an initial state dentition and processing the digital impression or model by using a three-dimensional design software to obtain a digital diagnostic wax pattern; comparing and fitting the digital impression or model of the initial state dentition with the digital diagnostic wax pattern to design a personalized precise tooth-removing guide plate digital model; and outputting data of the personalized precise tooth-removing guide plate and 3D printing the personalized precise tooth-removing guide plate. The application is aimed at the actual situation that teeth need to be restored in appearance and function by improving the tooth shape in the case of lip (tongue) inclination or ectopia, mesial (distal) twist and incisal (occlusal) elongation. The personalized precise tooth-removing guide plate takes the expected repair effect as the target, can realize accurate evaluation before treatment and indicate the actual tooth tissue amount that needs to be removed before the in-mouth manufacturing of a diagnostic veneer, and improves the clinical diagnosis and treatment level and the patient satisfaction.

The veneer rotary cutter comprises an L-shaped operation table, a material guiding frame and a movable seat which are in clearance fit are fixedly and slidably installed on the two sides of the upper end face of the operation table, and two limiting rollers which are symmetrically arranged are rotatably installed on the inner side of the movable seat; a motor box rotationally connected with a driving roller through a transmission belt is fixedly installed on the upper end face of the material guiding frame, a flow guiding slope is fixedly installed in the material guiding frame, a rotary knife is arranged below the driving roller, and two symmetrically-arranged limiting rotating seats are fixedly installed on the inner side of the material guiding frame. The two sides of the rotary cutter are fixedly provided with limiting rotating rods rotationally connected with the two limiting rotating bases, positioning tooth blocks are installed in the outer positioning tooth grooves and the inner positioning tooth grooves in an inserted mode, and threaded rods in threaded fit with the positioning tooth blocks are rotationally installed in the outer positioning tooth grooves. And uniform rotary cutting thickness is ensured.

Dental matrices and crowns are disclosed for making dental veneers and crowns on a tooth. The dental matrix is adapted for the specific tooth type (e.g., premolar, molar, canine, incisor, palatal, lingual) being treated in a single treatment, which results in a veneer on the tooth, which may then be resurfaced, for an aesthetically pleasing appearance. A dental matrix for forming a crown on a tooth includes a body having an expandable tab, which allows the diameter of an opening to be expanded for removal of the matrix from the formed crown.

The invention relates to a combined type heat preservation connecting piece integrated with a double-faced overlapped sandwich heat preservation wall veneer. The combined type heat preservation connecting piece comprises a hook claw part, a chuck and a steel bar guiding part. The claw part comprises a base disc, a plurality of short rods used for penetrating through grid holes of grid cloth extend out of one side of the base disc, and each short rod is provided with a circle of annular groove used for being clamped into the grid cloth. The reinforcing steel bar guide part comprises four buckle units which are fixed on the other side of the basal disc and are distributed in an array, and a cross channel is formed among the four main body units; a section of inverted tooth area is arranged in the middle of the steel bar guide part; the chuck is provided with a center hole, and a U-shaped notch with the width smaller than the hole diameter of the center hole is formed in the radial direction of the center hole. The U-shaped notch is used for laterally clamping a chuck into the inverted tooth area, and the crossed channel of the inverted tooth area needs to be flush with the two side edges of the U-shaped notch when the chuck is clamped into the inverted tooth area; and after the chuck is clamped in place, the chuck is slightly rotated, so that the crossed channel in the inverted tooth area deviates from the U-shaped notch.

The utility model belongs to the field of dentistry, solves the problem of eliminating a gap between adjacent teeth by using a minimally invasive method, and relates to an anti-impaction minimally invasive inlay, which comprises an inlay and an attaching surface directly connected to the side surface of the inlay, and the attaching surface is provided with a first wing and / or a second wing matched with the surface shape of the adjacent teeth. The root of the first wing and / or the root of the second wing are / is directly connected with the inlay, the first wing and the second wing are provided with gluing surfaces, the gluing surfaces are used for smearing adhesive so that the veneering can be attached to the surfaces of adjacent teeth, and the gluing surfaces are provided with glue containing grooves which are concave inwards from the surfaces. The veneer is used for eliminating the gap between the repaired decayed tooth and the adjacent tooth, so that the gap does not need to be eliminated by two connected full crowns.

The invention discloses a method for increasing the bonding strength of a zirconia veneering surface, and relates to the field of materials.The zirconia is subjected to plasma treatment through a handheld plasma generator, and then the treated zirconia surface is evenly coated with a layer of resin adhesive containing an Mdp functional monomer. According to the method disclosed by the invention, the Mdp-containing resin adhesive and the argon handheld plasma are used for carrying out bonding treatment on the zirconium oxide restoration material, so that the contact angle is reduced, the surface hydrophilicity is increased, the bonding performance of zirconium oxide is improved, and the connection between the zirconium oxide veneering restoration and the tooth tissue is more stable, so that the risk of falling off of the restoration is reduced.

The application discloses a kind of intelligent periodontal exploration training devices, comprising: dental oral cavity model, periodontal probe and processing module;Dental oral cavity model is provided with gingival model, the periodontal pocket position of gingival model is provided with dental model, gingival model is connected with the top of dental model, peripheral veneer separates, dental model has periodontal disease characteristics around periodontal pocket, and first micro sensor is arranged in dental model;The tip of the working end of periodontal probe is equipped with second micro sensor and pressure sensor;Processing module connects dental oral cavity model and periodontal probe, for receiving and processing the signal of first micro sensor, second micro sensor and pressure sensor, the relative position and relative angle of first micro sensor and second micro sensor are determined respectively to determine the correct measurement site, exploration depth and exploration angle of periodontal probe around tooth, and measurement data is obtained according to the signal of pressure sensor, to determine the force of periodontal probe.The application shows the result to user in real time, so that user can know the correct site, depth, angle and force of periodontal exploration.

The utility model discloses an implant denture repairing structure for an anterior tooth attractive area, which belongs to the technical field of implant dentures and comprises a fixing support and a denture fixed on the fixing support. A plurality of fixing cylinders are arranged on the fixing support in a penetrating mode, screw holes corresponding to the positions of the fixing cylinders are formed in the false teeth at the positions of the fixing cylinders, and veneers can be arranged on the outer sides of the false teeth with the screw holes. According to the utility model, the plurality of false teeth are arranged at the top of the fixing bracket, the plurality of fixing cylinders are arranged in the fixing bracket, the false teeth on the fixing cylinders are provided with the screw holes, the screw holes and the fixing cylinders are the same in size, and the veneers are arranged on the false teeth provided with the screw holes, so that the metal color of the screw holes can be shielded; the problem that regional color transmission exists in the attractive area of the fixing support is solved.

The present invention discloses an auxiliary device for bonding dental veneers and a method for bonding dental veneers, relating to the technical field of tooth whitening and restoration. The device comprises a trough body and a curable adhesive. The trough body is used to cover the crown of a tooth row, and a gap exists between the inner surface of the trough body and the surface of the crown with the veneer corresponding to the inner surface of the trough body. The adhesive is used to fill the gap between the inner surface of the trough body and the surface of the crown with the veneer and can cure to form an elastic adhesive layer. The auxiliary device for bonding dental veneers and the method for bonding dental veneers provided by the present invention can simultaneously bond multiple veneers to a tooth surface, are easy and quick to operate, each veneer is accurately positioned, and can prevent veneer damage.

The utility model relates to a veneering tooth sticking guide plate, and belongs to the technical field of tooth restoration, the veneering tooth sticking guide plate comprises: a pair of positioning tooth sockets symmetrically sleeving teeth on two sides of a veneered tooth; and the veneering assembly comprises a connecting piece connected between the pair of positioning tooth sockets and a pair of clamping pieces symmetrically arranged on the connecting piece, and the pair of clamping pieces are used for clamping the tooth veneering to be bonded with the veneered tooth. The positioning tooth socket is arranged to fix the veneering assembly, and then the veneering assembly is used for clamping and fixing the tooth veneering, so that accurate positioning of the tooth veneering is achieved, it is ensured that the position and angle of each veneering are consistent with the preset position and angle, the difficulty of the tooth veneering is reduced, and the attractiveness of the tooth veneering is improved.

A dental restoration includes multiple components including a coping, a veneer, and a fusing material that attaches the veneer to the coping. The coping and veneer components are separately designed to include mating positive and negative relief regions, and the coping and veneer are formed of materials that provide esthetic properties that mimic natural teeth.

A method for non-invasive veneers, including the step of placing a clear matrix around the front surface of a tooth, the matrix placed into the gingival sulcus and extending from the front surface of the tooth, adding a primary layer of resin to the tooth, the resin being heated prior to application and added to the tooth in the following order, each section of resin cured prior to adding resin in the subsequent region: the bottom of the tooth, the side of the tooth, and the front surface of the tooth, mechanically removing a portion of the primary layer of resin using an abrasive material, adding a secondary layer of resin, the secondary layer of resin being a different resin than previously applied, and polishing the secondary layer of resin.

Customized temporary veneers that are configured to be temporarily installed in a customer's mouth and provide a desired oral appearance thereto. The customized temporary veneers include a veneer body configured to extend across at least a portion of a target region of the customer's mouth and including oral-facing and outward-facing surfaces. The oral-facing surface is configured support the customized temporary veneer relative to the target region by engagement with one or more vestibular surfaces within the target region. A plurality of oral features define at least a portion of the outward-facing surface and are configured to present the desired oral appearance. The methods may include obtaining a representation of the target region, selecting the plurality of oral features, and creating the customized temporary veneer, which includes forming the veneer body, shaping the oral-facing surface based on the representation, and providing the plurality of oral features to the outward-facing surface.

The utility model relates to the technical field of false teeth, and discloses a false tooth veneering forming device which comprises a support, a washing forming mechanism is arranged at the top of the support, a clamping fixing mechanism is arranged in the support, and the washing forming mechanism comprises a fixing column fixedly connected to the bottom of the support. According to the utility model, through the rotating shaft, when the patch needs to be washed, the motor is firstly started to drive the rotating shaft to rotate, so that the fixed patch rotates, and then water in the water storage barrel at the upper part cleans the rotating patch downwards through the flusher and the spray head, so that both sides of the patch are washed; and then the water outlet pipe is externally connected with a sewage treatment device, and the mechanism can drive the fixed patch to rotate in the cleaning process, so that the two surfaces of the patch are cleaned, a binder can be better combined with teeth and prevented from falling off in daily use, and meanwhile, the situation that the attractiveness or the surface smoothness is affected by residues is avoided.

Systems and methods for minimally invasive ortho-restorative treatment planning. One or more clinical and / or aesthetic aspects of an ortho-restorative treatment plan may be optimized. In some examples, the ortho-restorative treatment plan is optimized to minimize a tooth mass loss associated with adding or implementing a restorative feature in the ortho-restorative treatment plan. Examples of restorative features may include crowns, veneers, fillings, inlays, onlays, edge bonding, composites, implants, bridges and prosthetics. The methods may include computer modeling techniques. For example, a position of a digital restorative feature model may be optimized with respect to a digital tooth model of a patient's teeth to minimized tooth mass loss in the patient's teeth.

The utility model belongs to the field of dentistry, solves the problem of improving the stability, and provides a reinforced all-ceramic crown bridge capable of retaining large-area tooth defect residual roots, which comprises a crown bridge and a veneer directly connected to the side surface of the crown bridge, the veneer is provided with a first wing and a second wing matched with the surface shape of adjacent teeth, and the first wing and the second wing are arranged in parallel. The root part of the first wing and the root part of the second wing are directly connected with the crown bridge, the first wing and the second wing are provided with gluing surfaces, the gluing surfaces are used for smearing adhesive so as to enable the veneering to be attached to the surfaces of adjacent teeth, and the gluing surfaces are provided with glue containing grooves which are concave inwards from the surfaces. The veneer is connected to the crown bridge, and the all-ceramic crown bridge with the wing plates is bound with front and rear teeth due to the bonding of the wing plates while restoring the appearance of a tooth body, so that the fracture resistance of residual roots and crowns can be improved, and the purpose of retaining the residual roots and crowns for a long time can be achieved. As the wing plate is bonded and bound with the front and rear teeth, the preparation of the front and rear teeth is less (tooth preparation can be carried out without local anesthesia), and a patient does not have obvious discomfort in the treatment period.