25 results about "Veneer" patented technology

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 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.

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 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 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.

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 discloses a pair of veneering removing forceps based on an anatomic form of a dental face, and relates to the field of dentistry. In order to solve the problem that in the prior art, time and labor are wasted due to the fact that a veneering is removed by abrading the veneering, the veneering removing pliers based on the tooth surface anatomic form are structurally characterized by comprising a veneering force application structure arranged at the end of a plier cheek of a plier body, and the veneering force application structure is arranged at the end of the plier cheek of the plier body. During use, the clamp cheek end of the clamp body extends into the oral cavity of a patient, the veneering force application structure and the veneering are fixed from the tongue side direction, the handles of the clamp body are extruded, the veneering force application structure raises the height of horizontal clamping force to enable the horizontal clamping force to be flush with the veneering, and meanwhile the horizontal clamping force is converted into horizontal pushing force applied to the veneering from the tongue side to the lip side direction, so that an operator can conveniently apply the force, and meanwhile the operation efficiency is improved. The gingiva of the patient is prevented from being damaged. The veneering removing pincers based on the anatomic form of the dental face are simple in structure and convenient to operate, and the using effect can be effectively improved.

The application discloses a kind of dental composite ceramic materials and preparation method, it is related to dental ceramic material technical field, the preparation method includes the following steps: zirconium oxide powder is mixed with ethyl silicate solution, and then is dried and pressed into block and high-temperature sintering, obtain dense zirconium oxide;Lithium-based glass powder is used to high-temperature permeation to the zirconium oxide, and then is carried out two-stage heat treatment, so that the lithium silicate glass that remains in the surface of zirconium oxide and penetrates into surface layer is crystallized to form lithium disilicate crystal, obtain dental composite ceramic material.The dental composite ceramic material of the application has excellent mechanical properties of zirconia ceramic and good optical properties of lithium disilicate glass ceramic simultaneously, compared with the weak binding force at interface of traditional zirconia-ceramic veneer double-layer structure and the low strength of ceramic veneer, the wide range of composite is formed between zirconia and lithium disilicate glass ceramic in this material, there is no interface, and the binding force is higher, it is a new type of dental ceramic material with great application potential.

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.

1. The name of the design product: packaging box (small tooth veneer packaging box). 2. The use of the design product: for storing dentures. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The utility model belongs to the technical field of dental medical instruments, and relates to a key and dental handheld equipment. The key comprises a key body, a first movable ring and a first connecting arm, the key body is located in the first movable ring, the two ends of the first connecting arm are connected with the key body and the first movable ring respectively, the first movable ring is provided with at least two installation positions, the multiple installation positions are distributed on the two sides of the key body, and the installation positions are used for being connected with the inner side of the shell. The key body is used for being arranged corresponding to the through hole of the shell. According to the application, an effect of pressing deformation to trigger the switch is achieved through cooperation among the key body, the first movable ring and the first connecting arm without using a rubber coating process to wrap an elastic material on the surface of the shell and without setting a veneer on the surface of the shell, so that the process steps, the manual processing cost and the rework cost are reduced, and the production efficiency is improved. The quality and appearance reject ratio are reduced, and the size of the dental handheld equipment applying the dental handheld equipment is reduced.

This invention relates to a method and system for manufacturing dental veneers, belonging to the field of dental veneer manufacturing technology. The method includes: selecting the anterior tooth from an intraoral scanning model as the target tooth for which the veneer will be made; determining the minimum distance between the target tooth and the opposing tooth during occlusion based on the occlusal trajectory data of the target tooth and the opposing tooth; determining the stress data of the target tooth during occlusion based on the occlusal force data of the target tooth; generating a thickness surface of the target tooth based on the surface contour of the target tooth in the intraoral scanning model when the minimum distance is not less than a thickness threshold and the stress data meets the safety stress standard; generating a dental veneer model based on the surface contour and the thickness surface; performing finite element strength verification on the dental veneer model; and 3D printing the dental veneer after the verification is passed. This invention can quickly generate a dental veneer model with high tooth matching directly from the intraoral scanning model for printing the dental veneer, without the need for direct preparation on the tooth, resulting in a short manufacturing cycle.