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300results about "Fastening prosthesis" patented technology
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Kit for dental applications
A kit for dental applications includes a tubular body provided with an internal duct which is open to the outside at respective ends of the body; a first end defines a cavity adapted to accommodate a terminal portion of a pin which can be coupled to a maxillary bone tissue.The kit further includes at leasta retention ring, which has a radial cut and can be accommodated in the cavity, which is shaped complementarily; the retention ring s configured to allow the introduction of the terminal portion of the pin into the cavity and to hinder its accidental egress. The kit also includesa release tool, having a shank with a first longitudinal segment, which is terminal and can be inserted with play into the duct, and a second longitudinal segment, which is threaded and can engage a female thread provided along the internal wall of the duct.
Owner:RHEIN 83
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
Temporary abutment with combination of scanning features and provisionalization features
A lower region of a temporary abutment includes an anti-rotational feature for non-rotationally mating with a dental implant. An upper region of the temporary abutment includes a first anti-rotational structure and at least one retention groove. A top surface of the temporary abutment includes one or more informational markers that provide information concerning the dental implant. A temporary abutment cap is configured to be coupled to the upper region of the temporary abutment. The temporary abutment cap has at least one projection configured to mate with the at least one retention groove of the temporary abutment. The temporary abutment cap has a second anti-rotational structure that is configured to slidably engage the first anti-rotational structure of the temporary abutment. The temporary abutment cap is configured to be coupled with a temporary prosthesis such that the temporary prosthesis and the temporary abutment cap are removable from the temporary abutment.
Owner:BIOMET 3I LLC
Dental implant
A multi-component dental implant system designed to improve oral hygiene. The dental implant system may comprise an implant body configured to be insertable into at least a portion of an individual's mouth, a primary or first abutment, a dental prosthesis engagement member, and a housing assembly. In use, the first abutment is designed to engage with and secure to the dental prosthesis engagement member. The housing is configured to secure to or cover the dental prosthesis engagement member. The dental implant system allows an individual to remove a prosthesis without the aid of any special tools or instruments.
Owner:BIOCLEAN DENTAL LLC
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
Magnetic denture attachment and method of manufacturing the magnetic structure
To provide a thin magnetic attachment having a simple structure and being easy to manufacture, with a thickness of 0.8 mm or less. [Solution] The hole portion of a magnetic stainless steel cap 11 is made into a ring shape, a ring-shaped sintered rare earth magnet 12 is stored inside it, and the hole portion is covered with a ring-shaped shield plate made of 18Cr-8Ni stainless steel with a martensitic structure. The joint portion is laser welded to form a melted and solidified portion and a modified non-magnetic portion, and the magnetization realizes a simple structure consisting of a rare earth sintered magnet and a stainless steel magnet shield plate.
Owner:MAGNE DESIGN
Magnetically retained dental prosthesis
The present dental prosthesis has a palatal implant configured to be implanted subperiosteally and attached to the palatal process by a plurality of fixation screws. The implant has a spine retaining implant magnetic components therealong and having holes for the fixation screws. The prosthesis also has a maxilla denture having a palatal base plate and an alveolar ridge engaging periphery having false teeth installed thereon. The denture is configured to be placed in a mouth to engage a maxilla wherein the alveolar ridge engaging periphery engages an alveolar ridge of the maxilla. The denture comprises a plurality of denture magnetic components configured to align with the implant magnetic components so that the denture is magnetically retained in the mouth by magnetic attraction force between the implant magnetic components and the denture magnetic components.
Owner:METRO NORTH HOSPITAL & HEALTH SERVICES
CAD / CAM (computer-aided design / computer-aided manufacturing) fixed structure rod clamp complete denture and preparation method thereof
The invention relates to the technical field of complete dentures, and discloses a CAD / CAM (computer-aided design / computer-aided manufacturing) fixed structure rod clamp complete denture and a preparation method thereof. Obtaining an oral cavity three-dimensional model of the user based on optical measurement; preparing an impression for the user based on a preset material; obtaining a three-dimensional digital model of the impression based on scanning equipment, comparing the three-dimensional digital model with the oral cavity three-dimensional model to obtain a fine calibration model, determining the setting position of the fixed structure rod clamp in the fixed structure rod clamp complete denture by adopting CAD according to the fine calibration model, and obtaining scheme data; the scheme is transmitted to a numerical control machine tool, a fixed structure rod clamp is manufactured based on CAM, the fixed structure rod clamp and a base plate are assembled, and the fixed structure rod clamp complete denture is obtained. The arrangement position of the fixing structure rod clamp is optimized by adopting CAD according to the precise calibration model, so that the fixing structure rod clamp better conforms to the oral cavity anatomical structure of a patient, and the retention force and the comfort degree of the false tooth are improved.
Owner:YANGZHIJIN DENTAL LAB (SHENZHEN) CO LTD
Bar manufacturing and denture reference and registration system
An improved denture system is disclosed. An improved denture system has a support bar and a denture material blank. The denture material blank has an oversize cutout to secure the support bar. The support bar has oversized implant interfaces and optional oversized tooth abutments. After securing the support bar in the denture material blank the final shape and dimensions of the implant interfaces and optionally the final shape and dimensions of the tooth abutments will be machined. The denture system will result in an accurate reference and registration between the denture teeth and base and the implant interfaces.
Owner:GLOBAL DENTAL SCIENCE LLC
Magnetically mounted implant assembly
PCT designated stageWO2025095915A1Dental implantsFastening prosthesisDentistryBiomedical engineering
The invention relates to an implant mounting assembly which allows a magnetic screw assembly to be screwed into a dental prosthesis by the force of a magnetic field without the need for bonding, screwing or mechanical compression.
Owner:SAKARYA UNIVSI REKTORLUGU
Method for producing recycled powder
PCT designated stage expiredWO2025115938A1Dental implantsImpression capsProcess engineeringChemistry
Provided is at least one of a recycled powder obtained through horizontal recycling of scrap from dental blanks, a method for producing the recycled powder, a method for producing a recycled dental blank, and a recycled dental blank obtained by the method.　This method for producing a recycled powder comprises: a pulverization step for pulverizing scrap from dental blanks to obtain a pulverized product; and a recovery step for recovering a powder having a color tone where L* is 90-100 inclusive, a* is 0-1 inclusive, and b* is 0-5 inclusive from the pulverized product.
Owner:TOSOH CORP
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)
Dental implant abutments
The present invention relates to an abutment for a dental implant, the abutment for a dental implant according to the present invention includes a prosthesis fastening protrusion that protrudes outward and is formed so that the outer diameter of an upper end of an upper portion of the abutment to which a prosthesis is attached is larger than that of a portion directly below the upper portion, and a notch that divides the upper portion of the abutment into a plurality of sections, the prosthesis fastening protrusion having a shape in which a distance value from a vertical central axis (C) of the abutment to an outer surface of the fastening protrusion is not uniform depending on the position when viewed in horizontal cross section, and preferably, the prosthesis fastening protrusion has a shape in which a distance value from the vertical central axis (C) of the abutment to an outer surface of the fastening protrusion continuously decreases as it approaches the notch, and the distance value is largest at a center (F) of the outer surface of the section divided by the notch when viewed in horizontal cross section.
Owner:DENFLEX CO LTD
Method for manufacturing a removable partial dental prosthesis, and removable partial dental prosthesis
PCT designated stage expiredWO2025120283A1Additive manufacturing apparatusFastening prosthesisPartial upper dentureBiomedical engineering
The invention relates to a method for manufacturing a removable partial dental prosthesis, the method comprising the steps of: a) manufacturing at least one monolithic block comprising an artificial tooth part and an artificial gum part, the monolithic block comprising at least one first joining member; b) manufacturing a frame that is configured to support the monolithic block, the frame comprising at least one second joining member; then c) joining the monolithic block to the frame by interlocking the first joining member with the second joining member to form the removable partial dental prosthesis.
Owner:CIRCLE ANATOSCOPE INTUITIVE DESIGN
Dental blank and production of a partial dental prosthesis from a dental blank
The present invention relates to a dental blank, in particular a cuboid block, with an upper and a lower surface, which is constructed from a flesh-colored material and a tooth-colored material. The flesh-colored material and the tooth-colored material are bonded to one another. The interface between the materials, with elevations and depressions formed in or on the interface, extends through an optionally curved plane, which plane is parallel to or oblique to at least some of the surfaces of the blank. An area is reserved in the blank for at least one partial denture, which extends over one or more elevations and depressions, and the apex lines of the elevations and depressions, viewed in plan view of the interface, form essentially straight lines, which, viewed across the block, are arranged in a fan shape or diverge from one another.
Owner:IVOCLAR VIVADENT AG
Dental implant-retained device and methods of fabricating thereof
A dental implant-retained record base device and methods of fabricating thereof are provided, and a method for obtaining an interocclusal record. The method involves inserting an impression post into a dental implant in a partially-dentate patient and capturing a dental impression to obtain a dental cast inclusive of the impression post. A light-curable resin is molded into a cubic shape and subsequently attached to the dental cast at position of the impression post. Upon exposure to visible light, the resin is cured to form a record base device, which is then adjusted to facilitate the positioning of interocclusal record material. The dental implant-retained device constructed from the light-cured resin is configured for attachment to the dental implant for obtaining the interocclusal record for the patient.
Owner:IMAM ABDULRAHMAN BIN FAISAL UNIV
Combined body of fixed false tooth and movable false tooth
Owner:SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
Manufacturing method of recycled powder
To provide at least one of recycled powder obtained by horizontal recycling of dental blank scraps, manufacturing method thereof, manufacturing method of recycled dental blanks, and recycled dental blanks obtained thereby.SOLUTION: A manufacturing method of recycled powder includes: a pulverization step of pulverizing dental blank scraps to obtain a pulverized product; and a recovery step of recovering, from the pulverized product, powder having a color tone of L* of 90 or more and 100 or less, a* of 0 or more and 1 or less, and b* of 0 or more and 5 or less.SELECTED DRAWING: Figure 1
Owner:TOSOH CORP
Movable support
The utility model discloses a movable support, which relates to the field of oral cavity restoration technology, and comprises a connecting body, gums are fixedly arranged on both sides of the connecting body, tooth hooks are fixedly arranged on both sides of each gums, and false teeth are fixedly arranged on the upper parts of the gums. The problems that accurate correction cannot be achieved according to the tooth shape and the oral cavity structure, and discomfort, chewing force reduction or unstable wearing and other conditions can be reduced when people wear the oral cavity correction device are solved.
Owner:SHANGHAI REPARO DENTAL LAB
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