20 results about "Articulator" patented technology

This document describes a method for dental imaging. The method involves receiving data that describes at least one three-dimensional digital dental element. This at least one three-dimensional digital dental element comprises a defined position relative to a dental articulator.The procedure further comprises repeatedly: receiving the optical image data describing the dental articulator from an optical sensor; receiving the localization data in response to the input of the optical image data into a localization module; performing a calculation that includes calculating at least one three-dimensional object aligned with the localization data describing the dental articulator, using the defined position of the at least one three-dimensional digital dental element and the localization data describing the dental articulator; and providing a representation of the at least one three-dimensional object.

The invention discloses a personalized complete denture precise manufacturing method based on a multi-modal digital technology, and relates to the technical field of oral restoration engineering and digital medical treatment. According to the method, firstly, three-modal data acquisition of oral soft tissue, facial aesthetics and alveolar bone anatomy is completed through an intraoral scanner, surface scanning equipment and CBCT; performing precise registration through an ICP algorithm to generate an integrated model; a virtual jaw frame and intelligent tooth arrangement software are combined to complete personalized design; for special cases, a transition / temporary denture and a biocompatibility tissue regulator are adopted to realize dynamic adaptation; and finally, completing false tooth manufacturing and verification through 3D printing or five-axis cutting. The method solves the problems that a traditional method is low in precision, weak in special case treatment and the like, achieves anatomy-function-aesthetics synergistic repair of the false tooth, and has the advantages of being high in adaptation degree, short in period and less in revival.

A system and method for creating a model of a patient's mandible and any teeth supported from the mandible and manipulating the mandible relative to anatomical features of the patient's maxilla. The system uses markers positioned on the mandible and on the maxilla to create a functional mandibular axis that approximates an axis through the condyles of the patient. The functional mandibular axis and geometric and anatomical information about the patient's upper and lower jaw are then used to create prostheses for the patient. The system is also used for making corrections to the prosthesis.

A method of producing a retention piece having a guidance package configured to provide a desired movement profile including: obtaining data descriptive of mandibular and maxillary arches, an index position of the mandibular arch at a maximum closure position, and a temporomandibular joint of a recipient; specifying an appropriate guidance package based on the desired movement profile; positioning a retention piece comprising at least a portion of the specified guidance package about virtual representations of at least one of the mandibular and maxillary arches within a virtual articulator; modeling relative movement of the virtual representations of the mandibular and maxillary arches within the virtual articulator; and generating data that can be used by a computer aided machining (CAM) process to create at least one physical retention piece comprising the specified guidance package configured to provide the desired movement profile.

The utility model discloses a tool for measuring the liquid level width of fluid in a circular pipeline. The tool comprises a first measuring piece and a second measuring piece, the first measuring piece comprises a first supporting leg, a second supporting leg, a hinging device, a telescopic sleeve rod and a measuring flexible rule, the first supporting leg and the second supporting leg are hinged to the hinging device, a first hinging part is fixed to the first supporting leg and the second supporting leg, the telescopic sleeve rod is fixedly connected to the bottom of the hinging device, and the telescopic sleeve rod comprises a fixed rod and a telescopic rod; the telescopic rod is embedded in the fixed rod, the second hinge part is connected with the first hinge part, and the measuring tape is engraved with uniform scales and is fixed on the telescopic sleeve rod; the second measuring piece comprises a plurality of stainless steel round pipes which are detachably connected and provided with scales, and the stainless steel round pipe on the topmost layer penetrates through the telescopic rod and the fixed rod and is connected with the bottom of the hinging device. The fluid sectional area measuring device can be suitable for fluid sectional area measurement under various pipe diameters, and is wide in application range and convenient to carry.

A device for making, duplicating and fixing dental models in articulator, using dental replicas (19) of plaster or other material with bases (20) for the manufacture of dental models (18). The device incorporates at least three pins (3) that have elements to be embedded in the bases (20) in charge of said pins (3) for positioning and fixing the dental models (18) to platens (7) that have a minimum of three protruding protrusions (8) on its surface and arranged to fit with the pins (3) and, where appropriate, provide a releasable connection with the pins (3). The platens (7) are attached to the articulator (1) with a height or ratio (h) between protrusions (8) of the platens (7), upper and lower, preset and reproducible.

The invention relates to a method for configurating a patient individual physical transfer key for transferring a virtually defined first position of a three-dimensional virtual representation of a physical model of a patients dentition within a 3D virtual representation of a physical articulator to the physical model of the patients dentition and the physical articulator. A 3D virtual representation of the physical transfer key is generated and provided for generating the physical transfer key. The transfer key is configured to be connected to a first support section of the articulator and to support a first one of the 3D virtual representations of the model components of the dentition model at the first position.

The invention relates to a method for producing a dental arch model (100) intended to be detachably arranged on an articulator plate (300) of an articulator (1), and to a corresponding dental arch model (100) and to an arrangement comprising such a dental arch model (100). The dental arch model (100) is manufactured by 3D printing and comprises a model base plate (200) formed in one piece therewith, wherein the model base plate (200) has a number of recesses (220) which each have a bearing surface (225) in the form of a concave spherical-segment surface and which correspond to a number of projections (320) that are provided on the upper side of the articulator plate (300) and each have a bearing surface (325) in the form of a convex spherical-segment surface, and the recesses (220) on the model base plate (200) are designed such that the produced dental arch model (100), when arranged on the articulator plate (300), rests exclusively with the bearing surfaces (225) in the form of a concave spherical segment surface on the bearing surfaces (325) in the form of a convex spherical segment surface at the articulator plate (300), and the model base plate (200) and the articulator plate (300) are otherwise spaced apart from one another.

The utility model relates to denture processing equipment technical field, concretely is a kind of occlusion jaw frame for denture processing, including fixing frame and fixed plate, the rear end of fixing frame is fixedly connected with first support frame, the rear end of fixed plate is fixedly connected with second support frame, the lower end of second support frame is fixedly connected with rotating shaft, rotating shaft is rotatably connected with the upper end of first support frame, two groups of fixed components are arranged between fixing frame and fixed plate, and fixed component includes fixed tray, first support block, locating slot, positioning sliding block, second support block, screw hole, connecting plate, limiting slot, transmission rod, limiting ring, locating screw rod and connecting block;Denture support is placed in the surface of fixed tray, rotating locating screw rod drives positioning sliding block to slide back, first support block and second support block cooperate to clamp and fix denture support, effectively improve the fixing efficiency of denture support, improve denture processing efficiency, and positioning sliding block can slide back and forth, and it is convenient to apply different sizes of denture support.

An in vitro training method includes scanning a user's oral cavity to create a first oral cavity model. An articulator body is selected according to the first oral cavity model, and plural first customized electrode sheets are formed and assembled onto the articulator body to obtain an in vitro training device. The user bites the in vitro training device during a non-sleep period and uses the plural first customized electrode sheets to proceed with electrical stimulation on a top surface and two sides of a tongue of the user, thereby training a muscular endurance of infrahyoid muscles of the user for a training period. The user's oral cavity is scanned again to create a second oral cavity model. The first oral cavity model is compared with the second oral cavity model to timely renew the customized electrode sheets when the image over rate is lower than 80%.

A kind of based on 3D printing dental quick-release digital articulator, including upper bite and lower bite, one end of the upper bite and lower bite is hinged by pin bolt, the free end of the upper bite and the free end of lower bite are respectively provided with upper and lower corresponding clamping device, the clamping device includes mounting block, the outer side of the mounting block is provided with model fixing space, one side of the model fixing space is equipped with model limiting mechanism.Compared with prior art, the detachable clamping device is arranged at the free end of the upper bite and lower bite, which can effectively solve the problem that the digital model bite relationship is not accurate due to the model fixing position deviation after multiple installation and disassembly, and other tools are not required, the digital model is quickly installed and disassembled, and since disassembly is convenient, only one articulator is required for each worker, which greatly reduces production cost and improves efficiency.

This invention provides a denture processing method based on virtual articulator data interaction, belonging to the field of denture processing technology. The method includes: acquiring a three-dimensional model of the patient's dentition and maxillofacial soft and hard tissues; collecting the relative movement trajectory and occlusal force distribution of the upper and lower jaws; generating a digital morphology of the patient's dentition based on the three-dimensional model; initially matching the positions of the upper and lower jaws in a virtual articulator system; simulating the opening and closing, lateral movements, and occlusal force distribution of the patient's upper and lower jaws in the virtual articulator system; establishing an initial contour based on the simulation results; performing simulation adjustments through a set of interference features; and managing denture processing. This invention solves the technical problem in existing technologies where denture design cannot fully consider the individualized oral movements and dynamic occlusal characteristics of patients, resulting in poor denture processing accuracy, comfort, and adaptability. It achieves optimized denture design and processing, effectively improving the accuracy, comfort, and adaptability of denture processing.

The utility model discloses a nasopharynx cancer radiotherapy patient mouth exercise assist device, which comprises an X-shaped frame, the right end of the X-shaped frame is provided with an occlusion assembly in a hinged manner, and the left end of the X-shaped frame is provided with a force adjusting assembly in a hinged manner. According to the oral exercise assist device for the nasopharynx cancer radiotherapy patient, adjusting springs drive corresponding sliding seats to slide in the inner walls of mounting grooves, the sliding seats drive connecting seats and attaching seats to be placed in the oral cavity of the patient, the upper tooth part of the patient is placed in an upper occlusion frame, and the lower tooth part of the patient is placed in a lower occlusion frame; an adjusting spring pushes a sliding seat to slide outwards in the inner wall of the lower occlusion frame and drives a connecting seat and an attaching seat to be attached to the two sides of the corners of the mouth of a patient, and during use, the occlusion assembly can be placed into the oral cavity of the patient for occlusion exercise according to the opening sizes of the mouths of different patients. The overall adjusting mode is simple and convenient, and the adaptability to different patients is higher.

The invention relates to the technical field of dental restoration, and discloses a digital complete denture arrangement method based on an improved virtual jaw frame, which comprises the following steps: wearing a customized tray with a radiation-resistant mark point and an occlusion relationship to shoot CBCT (cone beam computed tomography), and obtaining upper and lower jaw intraoral mucosa STL data and face and jaw STL data; fitting mucous membrane, jaw bone and face data by using the radiation-resistant mark points to construct a virtual patient model; establishing a space reference system taking orbital ear planes and plane center lines as references, directly replacing a virtual occlusal frame with a real jaw model, and installing an incision guide disc with an adjustable incision guide angle on a virtual patient model to simulate the mandibular movement of a patient; marking tooth arrangement feature points through model analysis, determining the range of a base plate, preliminarily arranging teeth, and then adjusting the position arrangement of artificial teeth and the form of an occlusal surface to complete the design of the balancing jaw; and outputting processing data to digitally manufacture a false tooth and wear the false tooth. The anatomical structure of the jaw bone of the patient drives the mandible to move and simulate, so that the precise reproduction of balanced occlusion in the mouth is realized.

The invention discloses a digitized wrong unit integrated debugging training system, which comprises a training system and an evaluation system, the training system comprises a wrong dentition model, a frame and a teaching management module, the evaluation system comprises a T-scan occlusion recorder and ProplanCMF3.0 three-dimensional analysis software, the wrong dentition model is formed by carrying out digitized virtual design on freely combined wrong units and then carrying out teaching on the wrong units, and the teaching management module is connected with the T-scan occlusion recorder and the ProplanCMF3.0 three-dimensional analysis software through the T-scan occlusion recorder and the ProplanCMF3.0 three-dimensional analysis software. Through additive manufacturing or subtractive machining technology forming, wide-type case simulation and stepped difficulty design, students can contact various wrong units and composite cases without depending on limited clinical resources, real mandibular movement can be restored in cooperation with a multi-shaft frame, and the mandibular movement can be accurately recognized through abstract learning theories and individualized feedback of a teaching management module at the same time. Students can quickly position operation vulnerabilities and repeatedly optimize weak links, so that the time for the students to independently complete accurate adjustment can be greatly shortened, and the pain points that the theory is difficult to fall to the ground and the practical operation experience is less are effectively solved.

The utility model relates to the technical field of dental teaching, in particular to a complete denture tooth arrangement teaching aid which comprises a base, a jaw frame is arranged above the base, an upper edentulous jaw model and a lower edentulous jaw model matched with the jaw frame are arranged on the base, and tooth models for teaching are placed on the upper edentulous jaw model and the lower edentulous jaw model. According to the utility model, a detachable structure is arranged between the jaw frame and the tooth model, so that the false tooth can simulate a more real oral environment, an operator can conveniently display the false tooth in class, meanwhile, the tooth model is more convenient to disassemble and assemble, and the false tooth can start to be cleaned after being disassembled; the positioning rod extends into the positioning groove through traction rotation of the sleeve, then the positioning rod can be clamped through movement of the moving rod, a false tooth mold can be quickly positioned according to the oral cavity condition of a patient, practical operation practice can be performed by students, the students can more deeply understand and master complete false teeth, and the use experience of the students is improved. And the teaching and learning efficiency is effectively improved.

Model receiving body (1) for mounting a jaw model (2) in an articulator (3), wherein the model receiving body (1) has a first side (4) for mounting the jaw model (2) and a second side (5) opposite the first side (4), wherein the model receiving body (1) has several support ribs (6) for the jaw model (2) and a fastening device (7) for magnetically attaching the model receiving body (1) to the articulator (3) or to an adapter plate (8), wherein open spaces (9) are formed in the model receiving body (1) between the support ribs (6) towards the first side, and the support ribs (6) have bearing surfaces (10) for supporting the jaw model (2) in a first direction (11) pointing away from the second side (5), wherein the model receiving body (2) has at least two, preferably three,The jaw model (2) has position-locking pins (12) arranged at a distance from each other and projecting in the first direction (11) beyond the bearing surfaces (10) for aligning the jaw model (2) in two directions (13, 14) that are orthogonal to the first direction (11) and also to each other.

Utility model claim (main claim): Modular articulation system for dental models, in particular for positioning upper and lower jaw models in articulators, characterized by • a model receiving plate (Fig. 1) with several positioning pins (Fig. 4), a magnetic recess (2) and a receiving geometry (3) designed for use in articulators, • a retention plate (Fig. 2) or functionally equivalent plate with positioning pins (4) and magnetic recess (5) as well as plaster retentions 6), • as well as a digital configuration module with an STL geometry (basic attachment Fig. 3) which is integrated into CAD software and enables the direct connection of the jaw models to the model mounting plate (Fig. 1) and retention plate (Fig. 2).

Systems for modeling a digital articulator may include a processor in electronic communication with an extraoral imaging device and an intraoral imaging device and a non-transitory computer readable medium having instructions stored thereon that when executed by the processor capture 3D data of the patient's face in with the extraoral imaging device, capture a 3D model of the patient's dentition, align the 3D model of the patient's dentition with 3D data of the patient's face, generate an estimate of the temporomandibular joint characteristics based on the 3D model of the patient's face, and derive digital articular settings for a digital articular based on the 3D model of the patient's dentition with the 3D data of the patient's face and the estimate of the temporomandibular joint characteristics.

Provided is a dental model in which a model tooth having a root portion similar to an actual tooth is attachable to and detachable from a gum portion, and an articulator. A dental model 1 according to the present disclosure includes: a gum portion 12 in which an insertion hole 20 to which a model tooth 50 is to be inserted is provided; and a lid portion 13b provided on an oral side of the insertion hole 20 in the gum portion 12, in which the lid portion 13b constitutes a part of the gum portion 12 in a closed state, and provides a recess portion 18b that is continuous from the insertion hole 20 and exposes at least a part of a root portion of the model tooth in an opened state, and in which the lid portion 13b is configured to be opened and closed relative to another portion of the gum portion 12.