13 results about "Veneer" patented technology

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.

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 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 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.

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.

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 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.