376 results about "Teeth grinding" patented technology

An apparatus for treating bruxism comprising a main body element, a knob element, and a treatment arm. The main body roughly resembles a flattened golf club head and may have a recess on top, and is connected via the treatment arm to the knob element. The exterior of the apparatus has a smooth construction, with rounded edges lacking sharp corners or points, to assist with placement and comfort. When in use, the main body is placed in the cheek pocket and the treatment arm hooks behind the back molar, where it produces discomfort when fully biting down, thereby discouraging tooth-grinding during slumber.

The invention relates to the technical field of perioral muscle function detection, and discloses a flexible sensing function integrated tongue muscle function detection system and method.The system comprises a tooth socket type flexible film sensor, a wireless transmission module and a control module; the tooth socket type flexible film sensor is of a wearable tooth socket structure, a sensing array formed by a plurality of sensing units is arranged in the tooth socket type flexible film sensor, and the sensing array is distributed in an upper jaw area and a side tooth area corresponding to tongue muscle movement; the wireless transmission module is arranged on the outer side area of the upper molar and is connected with the tooth socket type flexible film sensor through the flexible printing circuit; the control module is connected with the wireless transmission module and comprises a calibration module, an initial value determination module, a correction module and a data storage and communication module. According to the invention, accurate, non-invasive and real-time monitoring of tongue muscle activity is realized.

The invention discloses a numerical control forming gear ring inner tooth grinding machine and a using method thereof.The numerical control forming gear ring inner tooth grinding machine comprises a lathe bed assembly, a numerical control rotary table assembly, a grinding wheel spindle assembly and a workpiece clamping assembly, the lathe bed assembly adopts a mineral casting base, the damping coefficient is larger than 10%, and a linear guide rail is installed on the lathe bed assembly; s3, grinding feeding and indexing; S4, grinding stage control; S5, track correction; S6, grinding wheel wear compensation; through a mineral casting base of the lathe bed assembly, an angle encoder of the numerical control rotary table assembly and a CBN material formed grinding wheel of the grinding wheel spindle assembly, the effect of improving the machining precision is achieved; through the steps S2, S4 and S5, the effect of optimizing the machining quality is achieved, the tooth profile error and the surface roughness are effectively controlled, and the machining quality of the inner gear ring is improved; and through S1, S3 and S6, the effect of improving the machining stability and reliability is achieved, and the machining stability and reliability of equipment are improved.

The invention provides an extrascopic rotary bone grinding device for spine endoscopic surgery, and belongs to the technical field of machinery. The extra-scope rotary bone grinding device for the spine endoscopic surgery comprises a handheld part and a driving assembly fixedly connected to the outer end face of the handheld part in a locked mode, and is characterized in that the driving end of the driving assembly is in shaft connection with a shaft rod, a grinding head is integrally manufactured at the outer end of the shaft rod, a plurality of grinding teeth are arranged on the peripheral face of the grinding head in a staggered mode, and a toothed trephine is arranged at the outer end of the grinding head; the outer wall of the shaft rod is sleeved with a protective outer sleeve, a liquid injection component is arranged on the inner layer of the protective outer sleeve, a scrap capturing component is integrally manufactured between the inner wall of the protective outer sleeve and the outer wall of the shaft rod, the inner ring wall of the scrap capturing component is in interference fit with the outer wall of the shaft rod, and one end of the interior of the scrap capturing component is in clearance fit with the outer wall of the grinding head. And in cooperation with the protective outer sleeve, the liquid injection component and the debris capturing component, the accuracy, safety and convenience of bone tunnel expansion operation in the spine endoscopic surgery can be effectively improved.

The application discloses a night tooth grinding detection and grading method based on multi-modal signal fusion, which acquires multi-modal physiological signals including at least electromyographic signals, body movement signals and sound signals, and respectively carries out pretreatment to extract electromyographic intensity features, body movement intensity features and acoustic features; an adaptive threshold is constructed based on the electromyographic intensity features, and the adaptive threshold is dynamically adjusted in combination with the body movement intensity features to detect suspicious tooth grinding segments; the acoustic features are further fused to confirm the suspicious tooth grinding segments, determine a tooth grinding event; and the tooth grinding event is graded and output according to intensity features, duration features and multi-modal consistency features of the tooth grinding event; the application effectively reduces the false alarm rate, improves the accuracy and stability of the night tooth grinding detection through the multi-modal signal fusion and the adaptive threshold judgment mechanism, and has good practical value.

This item is a teething ring that babies can bite, grind, or chew on. As shown in the left and right side views, this teething ring can be placed upright on a table or other surface.

1. The name of the design product: Oxford cloth pet toy (coffee). 2. The use of the design product: used for pets to gnaw and play, to relieve boredom and grind teeth, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

1. Name of the product in this design: Teether (Cloud). 2. Purpose of this design: for soothing, teething, and playing with infants and young children. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Teether (Biscuit). 2. Purpose of this design: Infant teething. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

1. Name of the product in this design: Dog chew (TZ-0246). 2. Purpose of this design: This design is for pet dogs to grind their teeth, clean their teeth, and play with. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: teething pacifier (BHD-AF01). 2. The use of the design product: teething pacifier. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 2.

This invention belongs to the field of computer-aided diagnostic technology, specifically a real-time diagnostic method and system for bruxism based on non-verbal audio feature recognition. The invention includes: acquiring audio in a sleep environment; converting non-stationary signals into short-time stationary signals through frame segmentation; extracting multiple time-domain and frequency-domain features from the audio samples, and summarizing the variance and mean distribution feature groups by combining multiple feature arrays from each different frame; and optimizing the best predictive model for bruxism diagnosis using a machine learning model. This invention can accurately identify the occurrence of bruxism and other sleep states in complex sleep environments without requiring additional computational resources for preprocessing such as noise reduction and filtering of the audio signals. It enables non-contact monitoring and diagnosis of bruxism with a simple process, avoiding patient discomfort while providing practical reference and theoretical analysis for subsequent interventions for bruxism.

The application provides a tooth grinding navigation method, system and storage medium, comprising the following steps: registering to obtain a coordinate conversion relationship between any two of a CT three-dimensional coordinate system, a reference plate three-dimensional coordinate system and an optical three-dimensional coordinate system; calibrating a tooth extraction handset; constructing and optimizing an oral cavity anatomical structure segmentation learning model; segmenting oral cavity CT real-time three-dimensional data; selecting a three-dimensional model of a tooth to be treated in a tooth CT three-dimensional model; obtaining a real-time relative position between the tooth to be treated and the tooth extraction handset; and updating the three-dimensional model of the tooth to be treated in real time according to a running path of a pin tip, and eliminating three-dimensional voxels on the three-dimensional model of the tooth to be treated that coincide with the running path of the pin tip. The oral cavity anatomical structure segmentation learning model can provide assistance for analysis based on oral cavity CT real-time three-dimensional data, and real-time poses of a handset tracker and an oral reference plate collected by a binocular navigator are used to realize visual tooth grinding.

1. Name of the product in this design: Teething stick (Sichuan pepper wood 4-6). 2. Purpose of this design: A teething stick for infants and young children to use during the early stages of tooth growth. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The utility model discloses an anterior tooth reverse jaw corrector. The anterior tooth reverse jaw corrector comprises an upper jaw base and a lower jaw base, the lossy spiral expansion device is mounted in the middle of the upper jaw base plate; the two sides of the upper jaw base plate are each provided with one jaw pad, and the jaw pads cover upper jaw rear teeth; the two ends of the long arrow snap ring are embedded in the upper jaw base plate, and a sleeving and hanging part in the middle of the long arrow snap ring corresponds to the outer side of the upper jaw base plate; and the adjacent hook ball clamp is provided with a retention hook which is attached and fixed outside the molar and / or the canine. The anterior tooth reverse jaw corrector provided by the utility model is suitable for various stages such as deciduous teeth, mixed dentition, initial constant dentition and the like, solves the problem that the conventional corrector comprising the hyperbolic reed is easy to break, is high in safety performance, and can effectively correct the anterior tooth reverse jaw condition of various age stages.

A method for displaying sleep and grind data involves displaying, on a display of a computer device, a comparison between 1) sleep data and grind data corresponding to a period when a dental splint was not being used by a person, and 2) sleep data and grind data corresponding to a period when a dental splint was being used by the person, wherein the sleep data was generated from heart rate data collected from a wearable heart rate sensor and is associated with a splint presence indicator (SPI) that corresponds to when the heart rate data was collected from the wearable heart rate sensor, the grind data was generated from motion data collected from a wearable motion sensor and is associated with an SPI that corresponds to when the motion data was collected from the wearable motion sensor, and the comparison is generated using the associated SPIs.

1. The name of the design product: tooth gel (mushroom). 2. The use of the design product: used for infant pacification, teething and play. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

A mandibular advancement device with enhanced stability, including an upper tray assembly formed by an upper moldable component and an upper bracket, and a lower tray assembly formed by a lower moldable component and a lower bracket. The upper bracket and the lower bracket each extend a front wall from their front side edges near the labial side, while at least the lower bracket extends a rear wall along the median sagittal plane from the rear side edge near the lingual side. The stability is achieved by inclining the front wall of at least the upper bracket towards the lingual side. The rear wall of the lower bracket works in conjunction with the front wall to clamp the lower dental arch. Additionally, the stability feature includes a molar clamping section, further enhancing the overall stability of the mandibular advancement device.

1. The name of the design product: bite gum (ice cream). 2. The use of the design product: for biting, grinding teeth. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model discloses an orthodontic traction mechanism which comprises a molar denture and an incisor denture, the front side of the molar denture and the front side of the incisor denture are respectively welded with a fixed plate limiting head, and the front side of the molar denture is rotatably connected with an arc-edge fixed plate I through the fixed plate limiting heads; the front side of the incisor tooth support is rotatably connected with a second arc-edge fixing plate through a fixing plate limiting head, the front side of the first arc-edge fixing plate is fixedly connected with a vertical positioning head, the front side of the second arc-edge fixing plate is fixedly connected with a transverse positioning head, and the left side of the vertical positioning head and the bottom of the transverse positioning head are fixedly connected with traction positioning bent rods; according to the utility model, pulling force is applied to the teeth through the traction arch wire, the teeth are pulled back to the correct position, and under the action of the nickel-titanium tension spring and the traction rubber band, extra traction pulling force except the traction arch wire is obtained between the teeth, so that the aim of further accelerating the traction speed of orthodontic treatment can be achieved.

1. Name of the product in this design: Teether (Rabbit). 2. Purpose of this design: For use by infants to chew. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of correctors, and discloses an invisible tooth corrector which comprises a tooth socket, an anti-abrasion assembly is arranged at the top of the tooth socket, the anti-abrasion assembly is used for preventing the tooth socket from rubbing the gingiva or the inner side of the lip, the tooth socket is provided with two third tooth sockets, the two third tooth sockets are symmetrical, and the two third tooth sockets are arranged on the tooth socket. An inner wall is arranged in the tooth socket, a lip side is arranged on the outer wall of the tooth socket, a tongue side is arranged in the tooth socket, a plurality of tooth grinding grooves are formed in the tooth socket, grooves are formed in the outer walls of the two sides of the third tooth groove, arc sides are arranged on the outer sides of the grooves, the anti-abrasion assembly comprises an arc-shaped edge, and the arc-shaped edge is arranged at the top of the tooth socket. According to the tooth socket, when the tooth socket needs to be taken down, better force application is provided through the grooves formed inside and outside the third tooth socket, so that the tooth socket can be taken down conveniently, the situation that a hand needs to go deep into the oral cavity to pull the tooth socket to cause gingival scratch when the tooth socket is taken down is avoided, and the safety is improved.

A bruxism training device is disclosed that is capable of detecting bruxism events (e.g., jaw clenching and teeth grinding) via external electromyography (EMG). The training device is shaped to be easily placed in a proper location and proper orientation over a masseter muscle of a user. A locator region is provided to facilitate easy locating of a reference electrode over the gonial angle of the mandible, while an alignment edge of the training device is provided to facilitate easy locating of end electrodes adjacent an end of the masseter muscle coupled to the mandible. With the locator region and alignment edge in place, an array of mid electrodes is automatically positioned over a bulk of the masseter muscle, allowing useful EMG measurement to be acquired of masseter activation.

A saw blade piece cutting tooth grinding device comprises a mounting frame, a distance adjusting assembly, a linear driving assembly I, a tooth shifting assembly and a grinding assembly, the linear driving assembly I is arranged on one side of the mounting frame, the grinding assembly is arranged on the opposite side of the mounting frame, the distance adjusting assembly is arranged on the mounting frame, and the execution tail end of the distance adjusting assembly is matched with the power output end of the linear driving assembly I; wherein the distance adjusting assembly is used for adjusting the reciprocating distance of the power output end of the linear driving assembly I, the tooth stirring assembly is arranged on the mounting frame, and a stirring rod in the tooth stirring assembly is rotationally mounted on the mounting frame and makes contact with the tooth part of the saw blade. In the working process, the distance adjusting assembly and the linear driving assembly II are arranged, the distance of reciprocating motion of the sliding block II can be adjusted through the distance adjusting assembly, the distance between the tooth stirring assembly and the saw blade can be adjusted through the linear driving assembly II, and therefore the tooth stirring device can stir the saw blades with different sawtooth distances; by means of the device, automatic tooth shifting can be achieved when saw blades with different saw tooth intervals are ground.

The utility model relates to the technical field of dentistry. The utility model relates to a muscle agonist for linked correction of upper and lower teeth. The muscle agonist comprises an upper invisible tooth socket and a lower invisible tooth socket, wherein the upper invisible tooth socket is sleeved outside upper teeth; the lower invisible tooth socket is sleeved outside lower teeth; the incisor part of the lower invisible tooth socket is detachably connected with the incisor part of the upper invisible tooth socket; the occlusal surface at the molar position of the lower invisible tooth socket is connected or detachably connected with the occlusal surface at the molar position of the upper invisible tooth socket through a V-shaped bent connecting strip; an angle forming plate is clamped between the upper invisible tooth socket and the lower invisible tooth socket, and the angle forming plate is positioned on the occlusal surface of at least one of the upper invisible tooth socket and the lower invisible tooth socket. According to the utility model, by optimizing the structure of the muscle agonist, the upper invisible tooth socket can be conveniently matched with upper teeth, and after the upper invisible tooth socket is matched with lower teeth, the incisor part of the lower invisible tooth socket is detachably connected with the incisor part of the upper invisible tooth socket, so that the alignment of an upper jaw and a lower jaw is realized, and the correction of dentition deformity of relative protuberance of the upper jaw and retroduction of the lower jaw is realized.

1. Name of the product in this design: Teething Watch. 2. Purpose of this design: Teeth grinding for infants and young children. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present application relates to the technical field of electroplated grinding wheel, in particular to a combined grinding wheel for grinding fan gear shaft and a manufacturing method thereof, which solves the problem of low machining precision of the grinding wheel on the fan gear shaft in the prior art, and the combined grinding wheel comprises two oppositely arranged edge tooth grinding wheels, the two edge tooth grinding wheels are detachably connected, a plurality of side-by-side arranged intermediate tooth grinding wheels are arranged between the two edge tooth grinding wheels, and the edge tooth grinding wheel and the intermediate tooth grinding wheel are coaxially arranged. The beneficial effect is that the combined grinding wheel integrates the tooth surfaces with different profiles on the fan gear shaft into a set of combined grinding wheel, and when the combined grinding wheel grinds the tooth surface of the fan gear shaft, the grinding wheel only needs to be clamped once, and then the grinding of the whole tooth surface of the fan gear shaft can be completed through the rotation and displacement of the fan gear shaft workpiece, thereby improving the machining efficiency and machining precision of the fan gear shaft.

Portable system for the detection of bruxism, including: • a passive, intraoral dental splint with a piezoelectric foil sensor, • an externally worn bracelet with MEMS microphone, • a neural evaluation unit for real-time analysis of acoustic signals, • a feedback module with vibration, sound and display, whereby the dental splint contains no electronic components and the system operates completely energy autonomously.

The utility model discloses a defect repairing device for a baked porcelain restoration, which belongs to the field of baked porcelain restoration and comprises a handle, an anti-slip sleeve is fixedly sleeved on the outer wall of the handle, an adsorption component is arranged on the side wall of the handle and comprises a sliding seat fixedly connected to the side wall of the handle, and a limiting block is fixedly connected to the side wall of the sliding seat. Through cooperative use of all the devices, in the polishing process of the polishing head, tooth powder generated during polishing can be rapidly adsorbed through cooperation of the suction rod, a suction box, a vacuum generator and a negative pressure pipe and high-speed adsorption force, the powder is adsorbed through a filter plate and an adsorption plate, and the tooth powder is adsorbed through the suction box, the suction box, the vacuum generator and the negative pressure pipe; tooth powder is prevented from remaining at the tooth grinding position to affect the adhesion strength of porcelain repair, the repair efficiency can be improved through adsorption in the grinding process, the cleaning assembly is matched, the grinding efficiency can be improved through mutual cooperation of a flushing box, a nozzle and an air pipe and water flow, and the repair effect is further improved.

1. The name of the design product: silica gel toothpaste (YT39 baby ring small bear beech). 2. The use of the design product: silica gel toothpaste for teething of infants. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.