373 results about "Dental instruments" patented technology

The embodiment of the utility model provides a shell-shaped dental instrument which comprises a shell-shaped body with a plurality of tooth containing cavities, a traction part for hanging a traction piece is arranged on part of the surface of the shell-shaped body in an outward protruding and extending mode, and the traction part and the shell-shaped body are integrally formed and are of a hollow structure. A containing groove for containing a traction piece is formed in the side surface of the traction part, the containing groove is used for being detachably connected with the traction piece, the maximum length of any first cross section of the traction part in the first direction is larger than the maximum length of any first cross section in the second direction, the first direction is the direction where the long axis of the traction part is located, and the second direction is the direction where the long axis of the traction part is located. The first direction is perpendicular to the second direction, the first direction and the second direction are located on the first cross section, and the containing groove faces the first direction or the direction opposite to the first direction.

Disclosed herein is a curable composition that can contain a high crosslinker content and cure to form a tough and color neutral material that can be effectively used for a wide range of dental applications. In various embodiments, the compositions and / or polymers resulting therefrom may be used in dental appliances, including, but not limited to, orthodontics, accessory placement devices, incremental palate dilaters, dentures, crowns, and the like.

The present invention relates to methods for curing polymeric dental appliances comprised of partially cured photopolymerizable components, especially for additively manufactured denture base and artificial tooth components utilized in the production of full and partial dental prostheses. In particular, the invention relates to methods of utilizing a curing apparatus having one or more controllable heating sources and one or more controllable LED light sources to achieve specific preheating and light curing conditions for more effectively converting partially cured photopolymerizable components from a partially cured state to a final cured state.

Methods of planning dental treatments are provided. In some embodiments, a method includes determining a plurality of stages for incremental repositioning of a patient's teeth. The method can include determining, for at least one stage, a shape of a corresponding dental appliance body, and generating instructions for direct fabrication of the dental appliance body. The dental appliance body can include a support formed in a tooth-receiving cavity, one or more coupling structures formed proximate to the support, and an attachment formed proximate to the one or more coupling structures. The dental appliance body can be configured to align the attachment to a predetermined location on a tooth. The one or more coupling structures can be configured to release the attachment with removal of the dental appliance body from the tooth.

Methods and apparatuses that may improve the accuracy of three-dimensional models from interproximal regions of intraoral scan data using non-structured light illumination images (e.g., white light, near-infrared light, fluorescent light, etc.). These methods and apparatuses may correct irregularities (e.g., holes, gaps, etc.) in the 3D digital model of the subject's teeth and may enhance treatment planning and the accuracy and effectiveness of dental appliances.

The embodiment of the utility model provides a dental instrument which comprises a shell-shaped body, the shell-shaped body is provided with a plurality of tooth containing cavities and a traction part, the traction part is of a cavity structure formed by protruding and extending from the surface of the shell-shaped body to the far-tooth direction, and the traction part and the edge of the shell-shaped body are arranged in a spaced mode; the side surface of the traction part is provided with an opening structure used for hanging a traction piece, the side surface of the traction part is further provided with a reinforcing ridge formed by protruding or recessing part of the side surface, one end of the reinforcing ridge is adjacent to the free end of the traction part, the other end of the reinforcing ridge is far away from the free end of the traction part, and the whole reinforcing ridge is roughly arranged in the protruding and extending direction. Through the arrangement, the anti-bending section coefficient of the side surface of the traction part under the action of traction force can be effectively improved, so that the deformation resistance of the side surface of the traction part in the traction direction is improved.

Apparatuses and methods for performing orthodontic treatment planning are provided. Virtual / Augmented Reality devices can be used to virtually manipulate patient's teeth, modify virtual models of the patient's teeth, analyze the fit of a dental appliance on the patient's teeth, analyze the position of attachment sites for dental appliances, and provide overlays showing forces applied to the patient's teeth. The VR / AR devices can be used by physicians and / or the patient to provide and display treatment planning. In some examples, a length and / or angle of an elastic band or wire and one or more effective forces on a patient's teeth when a dental appliance is applied to the patient's teeth may be determined. A visual overlay graphically illustrating the one or more effective forces may be generated and displayed.

The utility model discloses a shell-shaped dental instrument which comprises an appliance body, the appliance body comprises a plurality of cavities used for containing maxillary teeth or mandibular teeth, at least one cavity of the plurality of cavities is an eruption cavity used for containing eruption teeth, and at least one cavity of the plurality of cavities is a cavity used for containing the eruption teeth. The inner surface of the germination cavity and the outer surface of the germinated tooth are arranged in a clearance manner, and at least one first magnetic accessory is arranged on the germination cavity; the second magnetic accessory is arranged on the surface of the germinated tooth; a gap is formed between the first magnetic accessory and the second magnetic accessory; wherein after the shell-shaped dental instrument is worn, the germinated teeth realize expected movement through attraction or repulsion between the first magnetic accessory and the second magnetic accessory, and the shell-shaped dental instrument disclosed by the utility model can be used for correcting the germinated teeth in time when the germinated teeth grow unexpectedly, and correspondingly, the germinated teeth are prevented from being damaged. The utility model further provides a dental correction system.

The utility model provides a dental instrument which comprises a shell-shaped body with a plurality of tooth containing cavities, the shell-shaped body further comprises an extension part and a traction part, the extension part is formed by extending the edges of the tooth containing cavities towards the gingiva direction, the traction part protrudes from part of the surface of the extension part towards the far-tooth direction to form a cavity structure, and in addition, the traction part is connected with the extension part. The traction part and the edge of the extension part are arranged at an interval; the side surface of the traction part is provided with a containing cavity used for hanging a traction piece, and when the traction device is worn, the extension part covers and wraps part of gingiva. The traction part in each embodiment of the utility model not only can replace the function of an anchorage nail to provide anchorage force or orthodontic force, but also solves a series of negative effects that in the prior art, an implanting nail needs to be driven into a tooth root, and trauma is caused to the interior of the mouth of a patient.

A shell-shaped dental instrument (100), comprising an appliance (10) having a cavity for accommodating teeth and a support unit (20). An occlusal surface (A1) of the appliance (10) comprises a support surface (A11) corresponding to an occlusal surface of a certain posterior tooth. The support surface (A11) comprises a first support surface (A111) located in the middle and a second support surface (A112) arranged around the first support surface (A111). A separation line (L) between the first support surface (A111) and the second support surface (A112) passes through a plurality of cusps (R). The plurality of cusps (R) correspond to a plurality of dental cusps of posterior teeth, respectively. The support unit (20) is located on the support surface (A11). A first peripheral line (L1) is formed in a junction region between the support unit (20) and the support surface (A11). At least part of the first peripheral line (L1) is located in the first support surface (A111).

A dental appliance manufacturing system includes a plate. Molds of dental arches are to be positioned on the plate. The dental appliance manufacturing system further includes a heating section configured to be adjusted based on the molds positioned on the plate. The heating section is configured to heat one or more sheets of plastic to generate one or more heated sheets. The dental appliance manufacturing system further includes a thermoforming chamber configured to simultaneously thermoform the one or more heated sheets over the molds positioned on the plate to form a plurality of dental appliances.

Methods of manufacturing dental etching templates. A virtual shell having one or more cavities shaped to receive one or more teeth of a virtual dental model of a patient's dentition may be formed. A virtual well may be formed at a position of the virtual shell based on an area on a tooth of the patient's dentition to be etched. Walls that define the virtual well may be shaped to accommodate a volume of a wafer that absorbs a liquid etching material and to accommodate a reservoir that extends beyond the volume of the wafer. The reservoir may be shaped to contain excess liquid etching material from the wafer. A physical etching template may be formed based on the virtual etching template.

The invention discloses an accessory combination and a shell-shaped dental instrument with the same, the accessory combination is used for being mutually fixed with an appliance, the accessory combination comprises an accessory body and a gasket, the accessory body comprises a connecting part, a first end part and a second end part, the first end part and the second end part are positioned on two opposite sides of the connecting part, and the gasket is mutually matched with the second end part; a gap is formed between the gasket and the first end part, and the gap and the appliance are mutually fixed. The accessory body and the gasket are matched to clamp the appliance to realize mutual fixation of the accessory combination and the appliance, so that the connection strength and the connection reliability between the accessory combination and the appliance can be enhanced, the falling risk of the accessory combination is further reduced, and even if the accessory combination loses efficacy due to bearing an overlarge load under an extreme condition, the accessory combination can be prevented from falling off. And the accessory combination cannot fall off from the appliance, so that the situation that the accessory combination is swallowed by the patient is avoided.

The invention discloses a dental multifunctional treatment vehicle, and relates to the technical field of medical instruments, the dental multifunctional treatment vehicle comprises a vehicle body, the vehicle body is provided with a drawable recovery barrel, the edge of a flow blocking disc is provided with a circle of thin rubber ring, the thin rubber ring divides the recovery barrel into an upper independent space and a lower independent space, and the thin rubber ring selectively contacts with the inner wall of the recovery barrel. The cleaning piece comprises an elastic connecting rod fixed to the side of the bottom end of the linkage rod and a longitudinal rod fixed to the end of the elastic connecting rod. According to the multifunctional treatment vehicle for the dental department, the multiple functions of recycling clean water, preventing peculiar smell from flowing back, facilitating cleaning and storing dental instruments in a classified mode are integrated, and the situations that pollution is caused when a quick connecting machine head is inserted into a barrel and cleaning liquid is splashed out in the recycling process can be prevented; the contact strength between the longitudinal rods and the inner wall of the recycling bin is increased, the contact strength between the longitudinal rods and the radial side wall in the recycling bin is synchronously increased, and the inner bottom wall and the radial side wall of the recycling bin are scraped and cleaned thoroughly.

A tool for use in dental implants. The tool includes a retention element held in the tool shaft via a friction fit. The retention element is adapted to grip a variety of impact drivers via a frictional fit for use in tightening procedures of a dental procedure. The tool also includes a variety of features for interaction with additional dental instruments, or that aid in cleaning and sanitization of the tool.

In one embodiment, a dental appliance includes a dental-appliance body and a core sensor module embedded within the dental-appliance body. The core sensor module includes one or more processors. The dental appliance further includes at least one biological sensor coupled to the dental-appliance body and conductively coupled to the core sensor module, and further includes a conductive layer running through at least a portion of the dental-appliance body and conductively coupling the core sensor module with the at least one biological sensor.

The present invention relates to the field of dental image display technology, and more specifically to an oral image-based control method and oral display device. The method comprises: using a current dental CT image with a current affected area marked as input data into a neural network model to output navigation information corresponding to the current affected area on the current dental CT image; generating a corresponding navigation route for the dental instrument corresponding to the navigation information based on the navigation information corresponding to the current affected area on the current dental CT image; detecting the current position of the dental instrument corresponding to the navigation information within the current patient's oral cavity; and displaying the navigation area, navigation route, avoidance area, and anti-deflection area corresponding to the current position of the dental instrument on a display screen of the dental instrument based on the current position. The present invention is advantageous in resolving the drawback of low dental operation precision in the prior art.

To carry out machining more efficiently.SOLUTION: The present invention relates to a machining method comprising the steps of: (S101) providing a data set (101) for the milling process in which at least one process parameter (103) for machining a workpiece is specified; (S102) simulating machining force on the workpiece based on the data set; and (S103) adjusting the process parameter (103) for machining until a predetermined maximum value for the machining force is reached or a predetermined minimum value is maintained.SELECTED DRAWING: Figure 1

This invention relates to the field of dental instrument technology, and in particular to a scaling tool capable of quickly identifying the working blade and its method of use. The scaling tool includes a handle and a working end. The working end has a working blade for contacting the tooth surface and an opposing non-working side; the scaling tool is also provided with a marking section corresponding to the working blade. This invention improves the speed and accuracy of dentists and instrument sharpeners in identifying the working blade, increases dentistry efficiency, and avoids unnecessary wear and tear on instruments.

An undercut filling method for digital dental models and a manufacturing method for dental instruments. The undercut filling method can achieve fuller and more anatomically accurate undercut filling for digital dental models. The undercut filling method for digital dental models comprises: acquiring a digital dental model (S101); generating a control point generation model with radius R for each undercut region (S102); moving the control point generation model so that the control point generation model is simultaneously tangent to the buccal and lingual surfaces of two adjacent teeth, and obtaining a set of control points for each tooth on the basis of the tangency points between the control point generation model and each tooth (S103); connecting each set of control points in a predetermined sequence to obtain an undercut control boundary that is used to form an undercut model (S104); interconnecting two undercut control boundaries to generate a corresponding digital undercut model (S105); and performing filling processing on the digital dental model according to the digital undercut model (S106).

This disclosure discusses a technique for fabricating occlusal interference elements within polymer dental instruments. The technique discloses at least one polymer shell containing several cavities molded to fit over a patient's tooth. The polymer shell includes an occlusal instrument surface molded to fit over the patient's occlusal tooth surface. One or more occlusal interference elements are formed within the occlusal instrument surface, each occlusal interference element including a partially disc-shaped feature that extends radially away from the occlusal tooth surface when the patient wears it.

A dental handpiece system includes a dental handpiece for operating a dental burr and providing a stream of water to the dental burr for cooling a tooth being acted upon by the dental burr. The dental handpiece further includes a flush water port for providing a flush water stream that is directed away from the dental burr to allow the dentist to flush a work site in a patient's mouth. The dental handpiece can also include an air outlet for providing a stream of air that is also not directed to the dental burr and that can be used to dry other dental instruments as well as work sites in the patient's mouth.

The invention discloses a dental correction system, which comprises a first dental instrument, a second dental instrument, a third dental instrument, a fourth dental instrument, a fifth dental instrument and a sixth dental instrument, each first shell-shaped tooth appliance comprises a first shell for accommodating and positioning teeth and a jaw repositioning element extending from the buccal side or the tongue side or the occlusal surface; a second dental instrument comprising k2 second shell-shaped dental appliances designed to progressively move the teeth of the patient from the stage target tooth layout of the jaw reconstruction stage of the first dental instrument to the target tooth layout to implement a dental correction plan; the third dental instrument comprises k3 third shell-shaped tooth correctors used for gradually adjusting the teeth of the patient from the actual tooth layout at the end of the first dental instrument to the stage target tooth layout, the correction period of tooth correction with the jaw position relation needing to be adjusted can be shortened, and the invention further discloses a corresponding design method.

A mold for a dental appliance includes a dental arch portion and a beam. The dental arch portion is associated with teeth of a user. The dental arch portion includes a first distal portion, a second distal portion, and an incisor portion disposed between the first distal portion and the second distal portion. The beam extends from the first distal portion to the second distal portion. The beam includes a label portion disposed between the first distal portion and the second distal portion. The label portion forms a label for identification of the mold.

The utility model provides a saliva absorber during tooth extraction, which relates to the technical field of dental appliances and comprises a microporous support, an outer absorbent cotton layer and a U-shaped clamping piece, the outer absorbent cotton layer is fixed on the outer side of the microporous support in a surrounding manner, the U-shaped clamping piece is arranged above the microporous support, communicating holes are formed in the lower portion of the microporous support in an annular array manner, and the communicating holes are communicated with the outer absorbent cotton layer. The top of the micropore support is fixedly connected with an upper connecting sliding frame, the tail portion of the micropore support is communicated and fixed with a drainage tube frame, the outer portion of the outer absorbent cotton layer is covered with an outer yarn cotton layer in a surrounding mode, and the outer yarn cotton layer is of a net-shaped structure. The microporous stent is in indirect contact with the oral cavity and saliva through cooperation of the outer absorbent cotton layer made of cotton balls, the situation that when an existing guide plastic pipe is in direct contact with the oral cavity, the inner membrane of the oral cavity is damaged is avoided, air suction noise can be eliminated through cooperation of the microporous stent and the outer absorbent cotton layer, and the problems that the plastic pipe only absorbs the saliva locally, the range is small, and the oral cavity is damaged are solved. Meanwhile, the problem that the inner membrane of the oral cavity is damaged due to overlarge force of the flow guide plastic pipe is solved.

The invention discloses an intelligent disinfection instrument for dental treatment, and relates to the technical field of disinfection of dental instruments. A disinfection mechanism is arranged above the disinfection cavity in the disinfection instrument box body, the disinfection mechanism comprises intelligent steam boxes which are symmetrically distributed in the left-right direction, disinfection spray heads are arranged at the bottoms of the intelligent steam boxes, and the intelligent steam boxes convey disinfection steam into the disinfection spray heads through a control module; a containing mechanism is arranged below the disinfection cavity in the disinfection instrument box body, and the containing mechanism comprises a positioning sliding frame. According to the intelligent disinfection instrument for dental treatment, medical instruments are driven to enter the disinfection instrument box body through the positioning sliding frame and the bearing filter frame, the medical instruments are distributed through the distribution sliding rod needle which is driven by the overturning platform to do reciprocating motion so as to prevent accumulation, and the medical instruments are subjected to high-temperature steam disinfection through the disinfection spray head needle which rotates in multiple directions; and cross infection caused by dead angles is avoided.

The invention relates to the technical field of dental instrument manufacturing, and discloses a small-angle calibration method, system and equipment for an orthodontic bending machine. According to the method, a reverse calibration path of macroscopic feedback and microcosmic calibration is adopted, specifically, a steel wire is continuously bent for multiple times at the same target angle C, and single-time angle deviation is amplified and accumulated into macroscopic geometrical characteristic quantity; calculating a theoretical value E1 of the characteristic quantity, and comparing the theoretical value E1 with a measured value E1; and iteratively adjusting the target angle C until the theoretical value is matched with the measured value, thereby establishing an accurate mapping relation between the target angle C and the calibration angle D to compensate nonlinear errors such as material springback and the like. The invention further provides a special optical measuring device, the transparent substrate is combined with the ruler module with the deep-color scales and uniform backlight, so that the outline of the steel wire and the scale marks both present deep-color silhouettes with consistent optical characteristics in an image, and system errors caused by coplanar imaging of heterogeneous materials are fundamentally eliminated. The integral forming precision of small-angle bending is remarkably improved, and the technical problem of error accumulation in long-span component manufacturing is solved.

The utility model relates to the technical field of dentist instrument storage boxes. The multifunctional dental instrument storage box comprises a box body, an adjusting structure is arranged in the box body, a lock catch is fixedly connected to the middle position of the outer surface of one side of the upper end of the box body, a box cover is hinged to the outer surface of one side of the top end of the box body, and a rapid taking structure is arranged in the box cover. And a locking plate is hinged to the middle position of the outer surface of one side of the box cover. The placing box is inserted in the gap between the mounting frame and the box cover, and is positioned in the mounting frame through the matching of the hinge column, the triangular clamping block and the torsional spring, so that the anesthetic needle can be prevented from being inverted or falling off when the anesthetic needle is moved or opened, and the anesthetic needle can be conveniently taken and used when the anesthetic needle needs to be taken. An opening and closing plate can be opened through hinge rotation, at the moment, medical staff can take anesthetic needles in a containing box through a taking hole, and the practicability of the equipment is improved to a certain degree.