315 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.

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 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.

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.

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.

This application provides a dental simulation workbench training system and method based on spatial computing technology, for solving problems that prior simulator only supports single-player use, only trains based on an oral model, lacks full-process doctor-patient communication. A virtual-real fusion head-mounted display acquires positioning data of physical objects in real space. A situation observation server arranges virtual entities and generates a scene file. A simulation computer generates a mixed-reality treatment scenario, a virtual patient, and dental instruments from the scene file, allowing a complete patient journey, from entry to the end of treatment, to be replicated. Force sensation information is generated, and both poses of a force tool and a virtual tool are controlled to match with a pose of a force feedback tool. A user wears the head-mounted display to perform treatment. Multiple people are supported to watch the treatment of the same dental simulation workbench through a network.

The present application provides a kind of dental appliance, dental treatment system, dental appliance design method and preparation method, including the first shell body containing maxillary teeth and the second shell body containing mandibular teeth, the position of the first shell body posterior occlusal surface is provided with protrusion part to the opposite jaw direction, the protrusion part is used to induce and adjust the protrusion part of the upper and lower jaw position relationship, the second shell body dental occlusal surface is provided with guide part, the guide part is used to guide the protrusion part to the normal upper and lower jaw position relationship, the protrusion part and the guide part are respectively provided with the contact surface of mutual action to induce and adjust the upper and lower jaw position relationship;The protrusion part is provided with holding part to the opposite jaw occlusal surface, and the holding part is stably contacted with the second shell body;When the first shell body and the second shell body interact, the guide part guides the protrusion part to move, and simultaneously, the protrusion part moves to the predetermined position, so that the holding part is stably contacted with the occlusal surface on the second shell body.

A dental apparatus usable for root canal procedures in conjunction with a dental clamp includes a first base member, a second base member spaced apart from the first base member, a first reference member extending between the first and second base members and connecting the first and second base members to one another, the first reference member extending in a first direction relative to an imaginary plane extending across the first and second base members, a second reference member extending between the first and second base members and connecting the first and second base members to one another, the second reference member being spaced apart from the first reference member, a first post extending from the first base member in a second direction relative to the imaginary plane, opposite to the first direction, and a second post extending from the second base member in the second direction.

A medical instrument, such as a dental instrument, is provided. The medical instrument includes a handle portion and a head portion, and can include a mechanical connection assembly operable between an unlocked configuration and a locked configuration. The mechanical connection assembly includes a first cooperative section and a second cooperative section. The first cooperative section can include a pathway successively comprising an axial pathway section and a radial pathway section, and the second cooperative section is configured to engage the first cooperative section and travel along the pathway. The medical instrument can also include an electrical connection assembly that includes a distal connector and a proximal connector, one of the distal and proximal connectors including at least one connection pin, and the other one of the distal and proximal connectors including at least one connector point configured to be electrically engageable with the at least one connection pin.

The invention relates to a dental motor or coupling unit (10, 20), which is designed to be coupled to a dental instrument (100, 105) and comprises an electrical circuit arrangement which is connectable to a supply unit (110, 120) via a conductor pair (91). The circuit arrangement contains: a load (30), which is supplied with DC voltage or a low-frequency AC voltage via the conductor pair (91); a transmitting and receiving unit (40), which is designed to communicate by means of / via near-field communication and, for this purpose, to wirelessly transmit an HF communication signal transmitted via the conductor pair (91) or to couple it into the conductor pair (91); and coupling and separating elements (31, 41), which decouple the DC voltage or low-frequency AC voltage from the HF communication signal.

The utility model provides a dental instrument. The dental instrument comprises a shell-shaped appliance and a guide plate arranged on the shell-shaped appliance, the guide plate comprises at least one guide plate body, the guide plate body comprises a connecting end, an acting surface and a non-acting surface, the acting surface is used for acting on a pair jaw dentition or a pair jaw shell-shaped appliance when the guide plate body is in contact with a pair jaw, and the acting surface and the non-acting surface are both connected to the connecting end; the connecting rib is connected with the non-acting surfaces of the at least two guide plate bodies, or the connecting rib is connected with at least one non-acting surface of the guide plate body and the shell-shaped appliance; the overall strength of the guide plate can be improved, and the risk of guide plate deformation or collapse in the correction process is reduced.