535 results about "Dental instruments" patented technology

The invention discloses a shell-shaped dental instrument and a dental instrument assembly comprising the same, and relates to the technical field of tooth correction. The shell-shaped dental instrument comprises a shell-shaped main body, an accessory mounting area is formed on the shell-shaped main body, a mark is arranged at the position, corresponding to the accessory mounting area, of the shell-shaped main body, and the feature of the mark is used for indicating at least one of the type, the mounting position and the mounting direction of an external accessory mounted to the accessory mounting area. By means of the arrangement, when an operator installs the external accessory, the operator can select the external accessory of the correct type or install the external accessory at the correct position or in the correct direction only by referring to the feature of the mark, and the situation that the external accessory cannot achieve the expected effect due to the fact that the operator makes mistakes in the operation process is avoided to the maximum extent.

The utility model discloses a shell-shaped dental instrument which comprises an appliance with a cavity for accommodating teeth and a supporting unit, the occlusal surface of the appliance comprises a supporting surface corresponding to the occlusal surface of a certain rear tooth, and the supporting surface comprises a first supporting surface positioned in the middle and a second supporting surface arranged around the first supporting surface; a separation line between the first supporting surface and the second supporting surface passes through the plurality of sharp ends, the plurality of sharp ends respectively correspond to a plurality of tooth tips of the rear teeth, the supporting unit is located on the supporting surface, a first outer peripheral line is formed in a junction area of the supporting unit and the supporting surface, and the first outer peripheral line is located in the first supporting surface. The whole supporting unit is supported by the first supporting face, the first supporting face can play a stable supporting role on the supporting unit, then stable occlusal pressure is kept, it is guaranteed that the occlusal pressure is borne by the corresponding rear teeth, and the phenomena of sideslip and collapse of the supporting unit can be avoided.

The invention belongs to the technical field of stomatological instruments, and particularly relates to a tongue traction device for assisting intraoral scanning operation. Comprising an elastic fixing ring, the bottom of the elastic fixing ring is fixedly connected with a net-bag-shaped elastic adsorption part, the elastic adsorption part is used for sleeving a tongue and adsorbing saliva on the tongue and in an oral cavity, and the side face of the elastic fixing ring is fixedly connected with a traction rod used for pulling the elastic fixing ring and the elastic adsorption part. The elastic fixing ring and the elastic adsorption part can not only effectively limit the movement of the tongue, but also adsorb saliva on the tongue and endocrine in the oral cavity, so that the interference of the saliva on the operation view in the oral cavity is avoided, the definition of a scanned image and the accuracy of data are improved, and the user experience is improved. Meanwhile, the comfort level and the operation efficiency of the patient are improved.

Provided in one aspect of the present application is a dental instrument, comprising: a U-shaped base support, in the upper and lower sides of which a U-shaped first groove and a U-shaped second groove are respectively formed; an upper occlusion module, which is a U-shaped elongated body fixed to the first groove, and one side of which away from the bottom of the first groove is recessed inwards to form a cavity that receives a patient's maxillary dentition and has a geometric shape customized based on the patient's maxillary dentition; and a lower occlusion module, which is a U-shaped elongated body fixed to the second groove, and one side of which away from the bottom of the second groove is recessed inwards to form a cavity that receives the patient's mandibular dentition and has a geometric shape customized based on the patient's mandibular dentition.

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.

The utility model relates to a multifunctional stomatology department instrument fixing frame which comprises a limiting assembly and a clamping assembly, the limiting assembly is rotatably connected with the clamping assembly, and one end of the clamping assembly is clamped on the side face of an oral cavity treatment table. Sliding grooves matched with the limiting blocks are formed in the two sides of the bottom plate. The limiting block can do linear reciprocating motion in the sliding groove. A spring is arranged in the sliding groove, one end of the spring is arranged in the sliding groove, and the other end of the spring is connected with the limiting block. A supporting plate is arranged above the sliding groove, and a first groove hole for avoiding the limiting block is formed in the supporting plate. The limiting columns are hollow cylinders with openings, and the multiple limiting columns are arranged on the lower surface of the bottom plate and communicate with the upper surface of the bottom plate. The limiting blocks and the limiting columns are integrally arranged on the fixing frame, so that the fixing frame can be matched with different types of oral instruments, a doctor can conveniently place the oral instruments which are not required to be used temporarily on the fixing frame in the oral diagnosis and treatment process, and the situation that the oral instruments fall to the ground is avoided.

The utility model discloses a dental instrument for stopping snore, which comprises an upper jaw shell-shaped dental instrument worn on the upper jaw dentition of a patient, a lower jaw shell-shaped dental instrument worn on the lower jaw dentition of the patient, and a first mounting part arranged on the cheek side of the upper jaw shell-shaped dental instrument and close to the anterior teeth, the connecting piece is arranged on the cheek side of the lower jaw shell-shaped dental instrument and is close to the rear teeth; wherein the first mounting part comprises a convex column which convexly extends away from the cheek side surface of the upper jaw shell-shaped dental instrument; the connecting piece comprises a hooking part, an elastic part and a second mounting part which are connected in sequence and hooked with the first mounting part on the same side; the connecting piece is movably connected to the cheek side surface of the lower jaw shell-shaped dental instrument through the second mounting part; and the hooking part and the convex column hook enable the lower jaw of the patient to move forwards to a preset position in a sagittal manner, so that the airway of the patient is opened, and the snore of the patient is inhibited.

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.

The utility model discloses a dental instrument for stopping snore. The dental instrument comprises a first shell-shaped dental instrument worn on an upper jaw, a second shell-shaped dental instrument worn on a lower jaw, a limiting cavity and a connecting piece, the limiting cavity is formed in the position, close to anterior teeth, of the cheek side of the first shell-shaped dental instrument and comprises two side walls and an opening, wherein the two side walls protrude in the far tooth direction and are sequentially arranged in the mesiodistal direction, and the opening is formed in the maxillary gingiva direction. The first end of the connecting piece is movably connected to the position, close to rear teeth, of the second shell-shaped dental instrument, the second end, away from the first end, of the connecting piece is provided with a mounting part protruding towards the lower jaw, and the connecting piece and the limiting cavity are arranged on the same side; during wearing, the first end of the connecting piece rotates around the normal axis of the cheek side face where the connecting piece is located, and after the mounting part enters the limiting cavity, the mounting part at least abuts against the wall of the distal side of the limiting cavity, so that the lower jaw of the patient is kept at the preset position where the airway can be opened, and movement of the lower jaw of the patient in the sagittal direction is restrained.

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 utility model discloses a dental component which comprises a first shell-shaped dental instrument and a second shell-shaped dental instrument, the first shell-shaped dental instrument comprises a first shell-shaped dental instrument body and a first acting part located on a first occlusal surface of the first shell-shaped dental instrument body; the second shell-shaped dental instrument comprises a second shell-shaped dental instrument body and a second acting part located on a second occlusal surface of the second shell-shaped dental instrument body, the first acting part comprises a first guide part and a first jaw pad part which are arranged at an interval, and the second acting part comprises a second guide part and a second jaw pad part; when the upper jaw teeth and the lower jaw teeth are in a complete occlusion state, the first guide part and the second guide part interact to adjust the jaw position relation, and the first jaw pad part and the second jaw pad part interact to fix the position. According to the utility model, the height of a single jaw pad part can be reduced, so that the strength of the jaw pad part is improved, and the continuous extending length of the first acting part in the mesiodistal direction can be reduced, so that the strength of the first acting part is improved.

The embodiment of the utility model provides a dental instrument and a dental system.The dental instrument comprises a bearing part making contact with at least part of teeth, the lingual side edge of the bearing part extends in the gingival direction to form an inner side wall located on the lingual side of a dental arch, and the lip-cheek side edge of the bearing part extends in the gingival direction to form an outer side wall. The outer side wall is in contact with labial and buccal muscles; an upper groove for limiting an upper dental arch and a lower groove for limiting a lower dental arch are defined by the outer side wall, the bearing part and the inner side wall; at least part of the inner side wall extends towards the tongue side from the position close to the lower groove to the lower edge of the tail end to form a bearing part, and the bearing part is provided with a tongue adjusting part with the tip facing the tongue body and used for correcting the position of the tongue body. In the wearing process, when the tongue body of a patient is located at an incorrect position, the tongue body makes contact with the tip end of the tongue adjusting part to feel slight pain and discomfort so as to prompt the patient to adjust the current tongue body position, and therefore the effects of passively correcting the tongue body position and training tongue muscles are achieved, and the better correction effect is achieved.

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.

The utility model belongs to the technical field of dental instruments, and relates to a handheld dental instrument handle which comprises an upper shell and a lower shell, the upper shell and the lower shell are closed to form a mounting cavity, a circuit board, a fixing piece and a connecting piece are arranged in the mounting cavity, a first connecting part is arranged on the upper shell, and a second connecting part is arranged on the lower shell; the connecting piece penetrates through the first connecting part, the second connecting part and the circuit board and then is fixedly connected with the fixing piece; according to the technical scheme, the upper shell and the lower shell can be fixed together through the fixing piece and the connecting piece which are arranged in the mounting cavity, the circuit board can be fixed in the upper shell and the lower shell, the structure is compact, connection is firm, and the service life is long. Meanwhile, the connecting piece is not arranged on the peripheral face, making contact with the hand in the using process and making contact with the outside in the placing process, of the upper shell or the lower shell, so that the connecting piece does not make contact with a user and external instruments, and the risk that static electricity is transmitted to the interior through the connecting piece, and consequently parts such as an internal circuit board fail is avoided.