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204results about "Fastening prosthesis" patented technology
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False tooth with anti-loosening structure
The utility model discloses a false tooth with an anti-loosening structure, which comprises a false tooth, and the false tooth is assembled on a gum through the anti-loosening structure; the anti-falling structure comprises a mounting rod, a mounting block and a connecting block, three first planting grooves in threaded connection with the mounting rod are formed in the top of the gum, a clamping cap is mounted at the top end of the mounting rod, a connecting cylinder is mounted in the mounting block, a through hole communicated with the connecting cylinder is formed in the bottom of the mounting block, and the through hole corresponds to the clamping cap in position. A spring is placed in a cavity formed between the outer side of the connecting cylinder and the mounting block, an arc-shaped clamping groove in extrusion contact with the spring is formed in the outer side of the clamping cap, and inserting rods are symmetrically mounted at the top end of the connecting block. The mounting rod and the inserting rod are respectively fixed on the gum and the false tooth of a patient, parts are simple and convenient to replace subsequently, the false tooth is pressed during use, the clamping cap is stressed to extrude the spring, and the spring is clamped on the outer side of the clamping cap, so that the gum and the false tooth of the patient can be quickly fixed, and the false tooth cannot fall off during daily chewing.
Owner:ZHUHAI PUZHENG DENTURE R&D & MFG CO LTD
Adjustable removable denture mounting structure
The utility model discloses an adjustable removable denture mounting structure, and relates to the technical field of removable denture mounting, the adjustable removable denture mounting structure comprises a tooth seat pre-mounted on a gum and a denture mounted on the tooth seat, an embedding part is integrally arranged at the bottom of the tooth seat, an embedding groove matched with the embedding part is formed in the gum, and the denture is mounted in the embedding groove. An embedding groove is formed in the top of the tooth holder, a screw tube is fixedly implanted into the embedding groove, a circular groove matched with the screw tube is formed in the bottom of the embedding part, a connecting groove is formed in the top of the tooth holder, a connecting screw is inserted into the bottom of the connecting groove, and the connecting screw penetrates through the embedding part and extends into the screw tube to be in threaded connection with the screw tube; a connecting block matched with the connecting groove is integrally arranged at the bottom of the false tooth, limiting grooves are formed in the two sides of the connecting block, cavities are formed in the two sides of the tooth base, and limiting assemblies are arranged in the cavities. The false tooth can be limited and fixed by utilizing the limiting assembly, so that the mounting stability of the false tooth is improved, and the risk of falling off is reduced.
Owner:SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
Removable dental prosthesis, telescopic crown, male element for use with such a dental prosthesis or in such a telescopic crown, crown body, and method for producing a dental prosthesis system
A removable dental prosthesis (1), comprising a prosthesis body (2) and a number of female elements (18, 168) which can each be plugged onto an associated male element (14, 14', 14'') arranged in particular on a tooth (6) or an inserted dental implant (72) in the oral cavity of a patient, and a female element (18, 168) suitable for use in such a dental prosthesis (1) are to be able to be produced with a particularly high accuracy of fit while maintaining a particularly low level of complexity. For this purpose, according to the invention, the or each female element (18, 168) has an inner cap (32, 160) which forms a contact surface (31) for the associated male element (14, 14', 14'') and can be plugged onto the latter, the inner cap being made of a comparatively hard plastic in the region of the contact surface (31) and being fastened to the prosthesis body (2) via an intermediate body (36) formed from what is by comparison a softer plastic.
Owner:SNAP CONE PROSTHETICS UG (HAFTUNGSBESCHRÄNKT)
Combined body of fixed false tooth and movable false tooth
Owner:SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
Fem analysis for the production of dental restorations
The present invention relates to a method for constructing a dental restoration, comprising the steps of providing (S101) a three-dimensional data set that specifies the spatial shape of the dental restoration and a spatial distribution of at least one manufacturing material within the dental restoration; simulating (S102) a spatial stress distribution within the dental restoration under a predetermined load based on the three-dimensional data set; and modifying (S103) the three-dimensional data set based on the simulated stress distribution.
Owner:IVOCLAR VIVADENT AG
Dental attachment assemblies, angled implant assemblies, and methods of use
Dental attachment assemblies for a mouth of a patient are provided. Contemplated dental attachment assemblies may include an abutment member, and a retention member for attachment to the abutment member. The retention member may comprise an upper end and a continuous, unbroken skirt projecting from the upper end for fixed, non-patient removable, fixed engagement over an outer locating surface of the abutment member. The retention member can be constructed from a rigid material, such as PEEK, such that it provides a retentive force of about 10 to 75 pounds. The abutment member may be configured for attachment to an implant having an upper portion including a threaded portion configured to screw into a threaded recess of an abutment, and a lower portion including an angled platform and a threaded post extending from the platform.
Owner:QUANTUM CORP +1
Dental blank and method for producing a partial dental prosthesis
The present invention relates to a block having an upper and a lower surface, which is constructed from a flesh-colored material and a tooth-colored material, wherein the flesh-colored material and the tooth-colored material are bonded to one another and wherein the interface between the materials with elevations and depressions formed in or on the interface extends through an optionally curved plane, which plane lies parallel to or oblique to at least some of the surfaces of the blank, characterized in that the elevations and depressions, viewed in plan view of the interface, run along one or more lines which extend transversely across the blank and which one or more lines are fan-shaped, circular or spiral.
Owner:IVOCLAR VIVADENT AG
Connection device and connection system for dental reconstruction on an implant, dental reconstruction on an implant, and method for performing dental reconstruction
A dental reconstruction comprises a connection device (2) with a first end bearing on an anchor (1) and a second end supporting a prosthesis (3). The cross section decreases between the first end and the second end. The connection device (2) defines a through-hole (9) and an abutment (10). A fastening screw (4) screws into an internally threaded portion (6) of the anchor (1) in order to fasten the connection device (2). A blocker (11) has a cross section that increases upon insertion of the fastening screw (4) into the through-hole (9). The blocker (11) fits into a groove (12) of the prosthesis (3) covering the connection device (2). The screw head (4a) has a circular section bearing on the blocker (11) in order to deform the blocker (11) and fit the blocker (11) into the groove (12) of the prosthesis (3).
Owner:AJUST SARL
Magnetic attachment for artificial tooth
To provide a magnetic attachment for an artificial tooth that includes a welding part having an excellent fall prevention force, a high magnetic attraction force, a sufficient magnetic cutout property, and excellent welding strength, and simplifies a process.SOLUTION: A flange having a projection part is provided in a Cr-based magnetic stainless steel cap 1 storing a permanent magnet 2 by cold working of combination of rearward extrusion press work and forward extrusion press work. On an outer surface of a magnetic structure excluding an attraction surface, a metal adhesive is applied to and curing processing is performed on a spiniform uneven surface. A shield plate 3 being a lid of a recessed opening part of the cap 1 includes a 18Cr-8Ni stainless steel magnet in a part 31 other than the outer peripheral part and a non-magnetically modified 18Cr-8Ni stainless steel non-magnetic part in the outer peripheral part 32. A welding part is formed by laser-welding a boundary part of the outer peripheral part 32 formed by the cap 1 and the non-magnetic part of the shield plate 3. A keeper 102 is formed of Cr-based soft magnetic stainless steel.SELECTED DRAWING: Figure 1
Owner:MAGNE DESIGN
Matrices including veneers and crowns for dental restorations - Patent application
Dental matrices and crowns are disclosed for making dental veneers and crowns on teeth. The dental matrices are adapted to the specific tooth type (e.g., premolars, molars, canines, incisors, palatal teeth, lingual teeth) to be treated in a single procedure, and can provide a veneer on the tooth for an aesthetically pleasing appearance and then be resurfaced. The dental matrix for forming a crown on a tooth includes a body with expandable tabs, allowing the diameter of the opening to be expanded for removal of the matrix from the formed crown.
Owner:IVENEER LTD
A semi-solid denture base
The application relates to a semi-solid denture frame which comprises two retention clamps, two connecting bodies and a tooth site support; the two connecting bodies are located between the two retention clamps along a first circumferential direction; the tooth site support is located between the two connecting bodies along the first circumferential direction and is used for supporting a false tooth and a base at a missing tooth site; the connecting body comprises a connecting part and a plug-in part; the connecting part is fixedly connected with the retention clamp; the plug-in part is connected and locked at a first position or a second position on the connecting part; one end of the plug-in part, which is away from the connecting part along the first circumferential direction, is provided with a second retention groove which penetrates through the upper end of the connecting part along a first direction; two connecting protrusions are fixed on the tooth site support and are slidably embedded into the two second retention grooves along the first direction, so that the tooth site support is fixedly connected with the connecting body. The semi-solid denture frame has the effect of mounting the false tooth in the oral cavity.
Owner:BEIJING GENERAL AEROSPACE HOSPITAL
Fixation Base and Guides for Dental Prosthesis Installation
Apparatus and method for installing a multi-tooth dental prosthesis in one session are shown and described. A first tool attaches to the jawbone, and serves as a foundation for subsequently used guides. Existing teeth and dental fixtures are removed, and the bone tissue is removed to accommodate the prosthesis. Subsequently, a drill guide is used to drill implant holes. An abutment guide is then used to place abutments. Copings are then installed. Next, the prosthesis may be installed and cemented to the copings. A resinous filler material may be applied to fill gaps and holes in and between the copings and the prosthesis, and is sanded smooth.
Owner:WATSON JASON
Dental treatment index, dental treatment set
The goal is to provide dental treatment indexes and dental treatment sets that enable high-quality tooth restoration regardless of the practitioner's skill level, while also being manufactured with high efficiency. [Solution] A second dental treatment index 20 has a shape that can be superimposed on a first dental treatment index 10, which is made of a light-transmitting material and integrally molded by a 3D printer, and is made of a light-transmitting material that is harder than the light-transmitting material that forms the first dental treatment index 10, and is integrally molded by a 3D printer, and has multiple irregularities on its inner surface.
Owner:AMIDEX INC
Dental preform, method for manufacturing such a preform, and method for manufacturing a dental prosthesis from such a preform
A dental preform (1) comprises a central portion (2) comprising a first elementary portion (2a) and a second elementary portion (2b) fixed to each other by a first resin (7) and separated at least by one web (6). The first elementary portion (2a) and the second elementary portion (2b) each comprise a plurality of first filamentary elements (5) and the first resin (4). The first filamentary elements (5) and the web (6) extend predominantly in a first direction (AA). A peripheral portion (3) formed by the web (6) is coiled continuously around the central portion (2) in order to form a spiral. A second resin mechanically binds the multiple layers of the spiraled web (6) and bonds the peripheral portion (3) to the central portion (2).
Owner:BIO COMPOSANTS MEDICAUX
Dental abutment insert extraction and insertion tool
A device for dental prosthetic insert insertion and removal and system providing a tool and intuitive method directed to extraction and replacement of a low insertion force, securely fixed, easily manipulated and highly robust dental inserts for an implantable overdenture abutment prosthetic. Said dental insert placement and replacement tool offers an apparatus for consumer-based, individualized patient-based extraction and insertion of a “snaps” or dental inserts structure exhibiting an adjustable retentive strength and durability rating providing optimum retentive engagement and rotational movement, over an abutment projection, and atop an abutment member which requiring a low level of manual dexterity coupled with high prosthetic retentive effectiveness and ease of insert replacement and replacement.
Owner:MURRAY JUDSON
Dental Bar Implant and Overdenture and Process for Using.
A two-part denture and inlay for implanting within the jaw of an edentulous patient thereby restoring the aesthetics and ability of the patient to eat. The denture has a blade-like lower edge that fits into a corresponding groove in the upper surface of the inlay, in a friction-fit manner, so that the patient cannot easily remove the denture. However, using screws in threaded holes provided in the denture, the dental practitioner can disengage the denture from the inlay and replace the denture, when necessary. Also, a method of using the two-part denture and inlay is provided.
Owner:ADATIA MAYANK R +3
Complete denture device with auxiliary retention structure
The invention discloses a complete denture device equipped with an auxiliary retention structure, the complete denture device comprises a base bracket and a retention head frame, the base bracket is mounted on a gum, artificial teeth are mounted on the base bracket, the retention head frame is used for assisting in fixing the position of the base bracket, the base bracket comprises an upper jaw base bracket and a lower jaw base bracket, and the upper jaw base bracket and the lower jaw base bracket are mounted on the base bracket. Connecting grooves are formed in the sides, close to the mouth corners, of the upper jaw base support and the lower jaw base support, the retention head frame comprises a head top sleeve belt, the head top sleeve belt comprises a ring belt, a limiting belt is fixedly arranged in the ring belt, first adjusting belts are fixedly arranged on the front side and the rear side of the ring belt respectively, and second adjusting belts are fixedly arranged at the bottoms of the first adjusting belts. A connecting belt is fixedly arranged between the two second adjusting belts, the head top sleeve belt is comfortably fixed to the head of a patient by adjusting the lengths of the first adjusting belts and the lengths of the second adjusting belts, the retention head frame provides additional fixing force through the elastic rubber band and the false tooth stabilizing rod, and the false tooth is prevented from loosening and falling off in the using process.
Owner:BEIJING GENERAL AEROSPACE HOSPITAL
Method of installing a dental fiber post and a dental fiber post system
A method of installing a fiber post for a post and core dental restoration uses a fiber post system which has a plurality of fiber posts having at least two distinct diameters for the fiber posts and at least two preformed fiber post lengths for the fiber posts. Each fiber post containing a visible depth marker indicative of where the post should be placed above and below root orifice, whereby the fiber post selected is configured to be based upon the root length of the specific tooth obturated, yielding proper post space preparation apically for cementation and coronally for foundational core build up. The resulting implanted post eliminates or minimizes post manipulation during tooth preparation to create a mono-block of core material around the post during cementation and build up resulting in no disruption of either bond during preparation.
Owner:ATLAS ALAN MITCHELL
ENDOSTEAL HORIZONTALLY PLACED DENTAL IMPLANT SYSTEM AND PROCEDURE
Owner:WASSEF MICHAEL PEORIA
Matrices including veneers and crowns for dental restoration
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.
Owner:IVENEER LTD
METHOD FOR MANUFACTURING A DENTAL PROSTHESIS AND SHELL MOLD FOR CARRYING OUT THE METHOD
ActiveDE602022029643T2Additive manufacturing apparatusFastening prosthesisMechanical engineeringBiomedical engineering
Owner:CIRCLE ANATOSCOPE INTUITIVE DESIGN
Dental alveolar prosthesis
A dental framework is provided. The framework may be attached to a patient between bone and gums in a patient's mouth, with the framework being suited to receive one or more crowns, i.e. prosthetic teeth. The framework has a bar which receives the crown(s) and a mesh portion which allows the in-growth of soft tissue (gums).
Owner:LOZADA ITALO
Keeper for dental attachment and method of manufacturing the same
To provide a keeper constituting a denture attachment and a method for manufacturing the same.SOLUTION: A keeper 3 in which a holder 32 is brought into contact with a main side surface of a keeper main body 31, laser welding is simultaneously performed from both sides with respect to a contact portion on a lower side of a diameter of the holder, next, laser welding is simultaneously performed from both sides with respect to a contact portion on an upper side of the diameter of the holder, a center portion of a contact surface is in a contact state between an unmelted keeper main body and the holder, an outer peripheral portion thereof becomes a melted portion 34, and a joint portion is formed, and the melted portion of the contact portion forms a melted portion smaller than a radius of the holder by laser welding at four places.SELECTED DRAWING: Figure 3
Owner:MAGNE DESIGN
Removable partial denture frame
The utility model discloses a removable partial denture support belongs to false tooth technical field, including support subassembly, the support subassembly includes support frame, the side surface of support frame is established with a set of positioning hole, the top of support frame is equipped with a set of positioning seat, the side surface of every positioning seat all is connected with false tooth body, the inner side wall of every positioning hole all is established with the thread hole, the inner side wall of every thread hole all is established with the accommodation slot, the side surface of every mounting screw all is established with cross type draw -in groove. That removable partial denture support, through positioning hole and positioning seat adaptation, it can be convenient and fast to install false tooth body, and cooperate mounting screw and accommodation slot, thread hole and bolt hole adaptation, and cross type draw -in groove's use, it can be convenient and fast to fix false tooth body positioning, and can be convenient and fast to tear open partial denture body and support frame, and it has improved the functionality of the equipment.
Owner:KUNMING JIAYING DENTURE MFG CO LTD
Dental implant attachment for removable dentures
A dental implant attachment system for implant-supported and implant-retained type removable dentures and a method of use is described. The dental attachment system comprises a female component embedded in the body of a denture on a fitting surface for lock up and a male component usually connected to a dental implant and use mechanism of the snap on coupling engageable formation movement with non-static friction by pressing female component onto the male component. The male and female components have a semi-elliptical parabolic or dome shape with a tunnel shape or inverted U shape lockers and antirotating thorns. The novel use of geometrical shapes for the mating surfaces of dental attachment system components prevents distortion and improves the mating movement with non-static friction.
Owner:ROSHKOVAN IGOR
Split denture
Owner:EXOCAD
Virtual dental bridge
A computer-implemented method and system for dental bridge reconstructions include receiving an order for a plurality of single dental units for reconstruction, receiving a 3D virtual model of each jaw of a patient's dentition, and providing virtual reconstructions of the plurality of single dental units as part of a virtual dental bridge.
Owner:JAMES R GLIDEWELL DENTAL CERAMICS
Detachable false tooth
Owner:GUANGDONG LAN CENTURY DIGITAL TECHNOLOGY CO LTD
Dental assembly and method of making same
An abutment (14) is provided with a cavity (30) and a slot (28) in its sidewall (29) adapted to allow a driver (36) to access a screw (20) in the cavity (30) at an angle θ relative to a longitudinal axis of the screw (20). The abutment (14) may include a screw seat (52) and may be connected to an implant (12) via a screw (20) in the screw seat (52). A prosthesis (16), which may include a driver access channel (18) that has a diameter less than the outer diameter of the drive portion or head (50) of the screw (20), may be placed over the abutment (14). Methods of making a dental prosthesis and methods of attaching and removing the dental prosthesis from the implant are also disclosed.
Owner:IMPLANT DIRECT SYBRON INTERNATIONAL LLC