309 results about "Dental cast" patented technology

A dental implant system and method for effecting a dental restoration using the same. The dental implant system having an implant fixture adapted to be deployed in a bone; an impression coping adapted to be selectively deployed on the implant fixture and in a dental impression; a laboratory analog adapted to be selectively deployed on the impression coping and in a dental cast; a spherical abutment adapted to be selectively deployed on the laboratory analog; and a multiaxis abutment adapted to be adjustably deployed on the spherical abutment; wherein the spherical abutment and the multiaxis abutment are used to generate a cast permanent abutment which may be received by the laboratory analog and the implant fixture.

A method for making a template for a dental implant osteotomy in an edentulous space of a patient's mandible or maxilla, and components relating thereto The method includes the steps of forming a dental cast of the patient's mandible or maxilla, drilling a hole into the dental cast wherein the location and orientation of the hole correspond to a desired location and orientation of the dental implant osteotomy, inserting a guide post into the hole, magnetically attaching a sleeve having a longitudinal gap to the guide post, applying a molding material to a portion of the dental cast and to a portion of an outer surface of the sleeve, allowing the molding material to cure, and removing the cured template including the sleeve embedded therein from the dental cast, whereby using the template in the patient's mouth provides a guide means for drilling the osteotomy.

A scanner is used for scanning an object, in particular one or more teeth (13, 14, 15) or a dental cast. An improved scanner comprises a carrier (2) on which a plurality of projectors (4) for projecting a pattern onto the object and a plurality of cameras (5) for recording the object are provided one beside the other in an array.

The invention discloses a manufacture method of an individual orthodontic appliance for a tongue, comprising the following steps: taking dental casts; manually arranging teeth for the dental casts; establishing a three-dimensional CAD model; plotting a plane of an arch wire and the arch wire; designing a single bracket CAD structural model; guiding the model into a quick wax model machine to obtain a wax model of the orthodontic appliance; casting the wax model to obtain a bracket after necessary surface treatment; putting the single bracket CAD structural model on the CAD models of original dental casts in a matching mode to obtain an integral CAD model; guiding the quick wax model machine to make the wax model; pressing a film of the wax model machine to obtain a positioning transfer tray and curving the arch wire according to a picture. The method can be used for realizing individual production according to individual requirements, and the prepared orthodontic appliance has the advantages of good matching with tooth shapes, high precision and permanence without deformation, is suitable for patients to wear for long and has small thickness, good supporting stability and convenient clinical operation. The method is widely applied to the production process of the orthodontic appliance.

A method for making a denture comprising creating three-dimensional models of top denture base, bottom denture base, and denture tooth molds; fabricating the molds by an additive manufacturing process; joining the bottom denture base mold to the top denture base mold to form a denture base mold cavity; injecting fluid synthetic denture base material into the mold cavity and curing the material to form the denture base; removing the bottom denture base mold from the top denture base mold, while leaving the denture base in the top denture base mold; joining the denture tooth mold to the top denture base mold to form a mold cavity defining the shape of denture teeth; and injecting fluid synthetic denture tooth material into the denture teeth mold cavity and curing the material to form the denture teeth joined to the denture base. An apparatus for making the denture is also disclosed.

The invention discloses a 3D printed dental cast processing technology which sequentially comprises a dental cast scanning step and a 3D printing step, wherein the 3D printing step sequentially comprises the following steps: 1) importing a digital model; 2) attenuating a hook face of the model; 3) repairing bad edges of the model; 4) hollowing the model; 5) cutting a gingiva substrate; and 6) 3D printing moulding. The 3D printed dental cast processing technology disclosed by the invention is used for changing the characteristic that photosensitive resin dental models obtained by virtue of a 3D printing moulding machine are solid models, saving a lot of photosensitive resin raw materials, reducing the printing and processing areas, shortening the printing moulding time, improving the processing efficiency and lowering the production cost and the transport cost.

This invention relates to an apparatus and a method for rapid and precise scanning of the three-dimensional (3-D) profile of a dental cast. Disclosed is a measurement apparatus comprising two symmetrically arranged optical projection units and plural image capturing units each including optical components and optical lenses. The geometrical relationship between the optical projection units and the plaster dental cast are such arranged to ensure precise projection of laser beams and comprehensive measurement. The plural image capturing units serve to capture the reflected, structured light patterns, based on which patterns a 3-D occlusal profile is rapidly and precisely calculated through the triangulation principle, thereby allowing efficient and precise measurement of the 3-D occlusal profile of the plaster dental cast.

The invention relates to a manufacturing method of removable dentures. Currently, the removable-denture manufacturing methods in all countries in the world are a thermos-coagulation packing method, need steps such as casing, filling, squeezer pressurizing and water bath polymerization (dental cast cooking pot), are complex in process, time-consuming and labor consuming, are non-uniform in moldingcase pressurizing and are difficult in precise mastering and control of heating speed and heating maintaining time during heat processing. The method has the advantages that the manufacturing flow oftraditional removable dentures is improved, joint height increasing and contraction bubbles of the removable dentures manufactured by the traditional manufacturing process are avoided, and the base-material filling of the partial removable dentures and attachment dentures can be performed; the models of the attachment dentures does not need to be pressurized on a squeezer, and the subfissure or deformation of the fixing-part porcelain teeth of the attachment dentures is avoided.

The invention relates to the technical field of tooth correcting device production, in particular to integrated invisible tooth correcting device production equipment. The integrated invisible tooth correcting device production equipment comprises an equipment cabinet, a dental cast printing mechanism, an after-treatment mechanism, a film pressing mechanism, a cutting mechanism and a carrying mechanism, the dental cast printing mechanism, the after-treatment mechanism, the film pressing mechanism and the cutting mechanism are integrated in the equipment cabinet, and the carrying mechanism is matched with the dental cast printing mechanism, the after-treatment mechanism, the film pressing mechanism and the cutting mechanism separately; the dental cast printing mechanism is used for printingdental cast; the after-treatment mechanism is used for conducting after-treatment on the dental cast, wherein the after-treatment step involves one or more of cleaning, air drying and curing; the film pressing mechanism is used for conducting film pressing on the dental cast to form a dental socket middle product; the cutting mechanism is used for cutting the dental socket middle product to forma dental socket finished product; the carrying mechanism is used for driving the tooth cast, the tooth socket middle product or the dental socket finished product among all mechanisms for turnover processing or discharging. All production and preparing technologies of the tooth socket are integrated to one set of equipment, the equipment can be directly arranged in a clinic, instant diagnosis andtreatment are achieved, and the diagnosis and treatment time of a patient is greatly shortened.

An individuation orthodontic method based on a shape memory polymer (SMP) arch wire includes: reconstructing a three-dimensional oral cavity model comprising skeletons and teeth according to computed tomography (CT) data of a patient, overlapping the three-dimensional oral cavity model with data of a patient tooth model after being scanned and reconstructed, and drawing up an orthodontic treatment scheme and obtaining a final dentition arrangement after treatment according to a tooth arrangement and a skeleton condition of the patient; then selecting brackets and determining bracket locations of all tooth on this basis; designing an orthodontic arch wire according to the bracket locations, wherein the shape of the orthodontic arch wire is matched with a dentition and bracket locations after orthodontic treatment and is the shape needed to be recovered in the memory of the SPM arch wire; and enabling the arch wire to soften after placing the arch wire in a set temperature environment during the clinical operating process, and therefore the arch wire can be conveniently fixed in the bracket on a central tooth of a patient oral cavity. The individuation orthodontic method based on the SMP arch wire can effectively achieve individuation orthodontic and eliminate potential safety hidden dangers.

The invention relates to a system for accelerating dental diagnosis and operation planning and a method thereof. The system comprises a computer for reading stereoscopic dissection information and presenting dissection images according to the stereoscopic dissection information, wherein, the information comprises reference mark information; an object for homing marks comprising at least a reference mark of which the position accords with the reference mark information; an addressing device for detecting one point on a dental cast and transmitting the space information corresponding to the point to the computer to establish the present of the dissection images. The system effectively integrates the good qualities of digital stereoscopic images and advantages of the dental cast, thus, users can utilize the high integration environment provided by the system of the invention to make the operation planning faster and more accurate.

Disclosed is a quick and accurate detecting dental arch on a three-dimensional mesh dental model, belonging to the field of computer aided f. The method includes five steps, simple human-computer interactive confirmation of an occlusal plane, sifting initial reference point, fitting an initial dental arch, extracting the final reference point and fitting the final dental arch. The method of the invention only needs simple human-computer interactive operation which helps achieve high degree of automation and avoid the general complex computation; linear computation which is mainly used in the invention can detect dental arch on the three-dimensional dental model quickly, steadily and precisely, valued in application in the field of computer aided orthodontic aesthetics.

The invention relates to a dental cast raw material stirring device, in particular to a dental cast raw material quick stirring device for medical stomatological department. The technical problem solved by the invention is to provide the dental cast raw material quick stirring device for the medical stomatological department, which has a good stirring effect and high work efficiency and is simple to operate. In order to solve the technical problem, the invention provides the dental cast raw material quick stirring device for the medical stomatological department. The dental cast raw material quick stirring device for the medical stomatological department comprises a bottom plate, a left frame, a right frame, a top plate, a first air cylinder, a second air cylinder, a telescopic frame, a stirring frame, a discharging hopper, an electric control valve, a first supporting rod, a sliding rail, a mounting base and the like, wherein the left frame, the first air cylinder, the second air cylinder and the right frame are arranged at the top of the bottom plate sequentially from left to right; the top plate is arranged at the top ends of the left frame and the right frame. The dental cast raw material quick stirring device for the medical stomatological department has good stirring effect and high work efficiency, is simple to operate, can quickly stir dental cast raw materials and improves the work benefit of enterprises; furthermore, the device is reasonably provided with a reinforcing rib.

A dental device for treating dental infection includes a dental cast comprising at least one groove to receive teeth and/or gums of a dental arch of the patient; and at least one light diffusing fiber arranged on the dental cast around the at least one groove. The dental device is used in a photodynamic therapeutic system, in which a light source instrument emits light onto a photosensitizer applied in mouth of the patient. The dental device is optically coupled to the light source instrument. The light for treating dental infection of the patient is transmitted by the at least one light diffusing fiber of the dental device and activates the photosensitizer to produce free radicals or oxidants to destroy the bacteria and microbes causing dental disease.

The present invention provides a planar light beam orientation device comprising a light source, a beam disperser, and a housing coupled to the light source and holding the beam disperser. The housing is configured to have a beam aperture configured to project a planar beam of light therefrom. The planar light beam orientation device of the present invention is capable of projecting a 360 DEG planar beam of light. The device is particularly useful in the orienting and reorienting of dental casts in a dental surveyor.

The present invention relates to a device for attaching a dental model to a variety of articulators for reproducing oral motions as a sagittal plane of a patient's organism and the left and right side points having the same height relative to the sagittal plane are found to mount the dental model at the articulators in a range for reproducing fatigue oral motions thereon, thereby helping the fabrication of the dental prosthesis inclusive of clinical treatment planning according to the extrusion and intrusion causes, the reasonable articulation re-construction in a dental laboratory process, and artificial teeth arrangements.

The invention provides a hot press molding system and method of shell dental instrument scale production. The hot press molding system includes a coil material supply module, a material heating module, a dental cast loading and unloading module, a pressure molding module and a cutting module, wherein the coil material supply module is used for continuously feeding and receiving raw materials in the form of coil materials; the material heating module is used for heating raw material diaphragms from the upper and lower sides or one side; the dental cast loading and unloading module is used for automatically feeding more than one lower molds loaded with personalized dental models into the pressure molding module, the lower molds are transferred out of the forming station after completing hotpressing, molding, cooling and demoulding, and the subsequent lower molds are continuously and automatically fed and recycled; the pressure molding module is used for pressing and molding the heated and softened diaphragms through more than one upper and lower molds, and one-time molding of multiple products is supported by pressing and molding; and the cutting module is used for cutting a hot press molded appliance to remove peripheral materials. According to the hot press molding system and method of shell dental instrument scale production, the degree of automation is high, and labor costsare lowered; and in addition, through once molding of the multiple molds, the working efficiency is greatly improved.

A three-dimensional articulator model having upper and lower base members movable in relation to each other through the action of a hinged articulator joint mechanism, and also having a built-in work stand and label assembly that is adjustable with the articulator mechanism. Each of the arch-shaped base members has a plurality of channels extending therethrough to receive a corresponding dowel pin tray having plurality of outwardly extending dowel pins with grooved end surfaces to facilitate insertion and removal of the pins from the base members. Dental casts are formed upon the dowel pin trays and the movement of the articulator provides for full jaw movement simulation through the design of the articulator joint mechanism. The workstand and label assembly provides a convenient and organized means for working on the model as well as for tracking the information associated with the particular model upon completion thereof, and the model is easily and safely transported in a specially designed carrying cover that protects the model while also providing identifying information in conjunction with the classification panel of the label assembly.