826 results about "Teeth grinding" patented technology

The invention belongs to the technical field of stomatology, and particularly relates to an upper jaw fixing expansion appliance which comprises a spiral expansion device, a plastic base, a connecting rod, a retention device and a dental retraction traction hook. The spiral expander is positioned in the center of the appliance, and the plastic base plate is two parts which are separated from each other in the center and connected with the spiral expander and covers the hard palate part of the upper jaw. The retention device is composed of a milk molar or premolar casting continuous belt ring and a first molar independent casting belt ring. And the left and right dental retraction traction hooks are positioned in the plastic base and are used for retracting and pressing the first molar of the upper jaw of buccal inclination after the expansion of the arch. The appliance disclosed by the invention is wide in clinical application range, and is suitable for light and moderate teenager patients with lateral maxillary development insufficiency and maxillary posterior tooth buccal inclination compensation. According to the invention, a good bony expansion effect can be realized for patients in a replacement dentition stage or a permanent dentition early stage and patients in rapid maxillary expansion, and excessive buccal inclination and movement of teeth are reduced.

The invention relates to the technical field of oral medical instruments, and particularly provides a customized joint jaw position appliance and a manufacturing method thereof.The customized joint jaw position appliance comprises an appliance body, the appliance body comprises an upper jaw tooth occlusion sleeve and a lower jaw tooth occlusion sleeve, and a first occlusal surface of the upper jaw tooth occlusion sleeve is effectively occluded with a second occlusal surface of the lower jaw tooth occlusion sleeve; the guide inclined surface is arranged on the inner side of the anterior tooth area of the appliance body; the upper jaw blocking body and the lower jaw blocking body are respectively arranged on an occlusal surface, a cheek side surface or a lingual side surface of a premolar region on two sides of the upper jaw tooth occlusal sleeve and the lower jaw tooth occlusal sleeve; the upper jaw blocking table and the lower jaw blocking table are respectively arranged on the occlusal surface, the cheek side surface or the tongue side surface of the molar areas on the two sides of the upper jaw tooth occlusal sleeve and the lower jaw tooth occlusal sleeve, and are integrally connected with the appliance body to form a first occlusal surface and a second occlusal surface. According to the customized joint jaw position appliance, the disc-condylar relationship can be more accurately recovered according to the displacement condition of the joint disc of a patient through double-jaw coordination and multi-region blocking design, the treatment period is shortened, and the prognosis stability is improved by matching with a chewing function.

The invention discloses a tooth grinding control system for gear machining, and relates to the technical field of gear grinding. An arc-shaped material collecting cover is installed at the top of a lifting control frame, a blank positioning mechanism used for clamping a gear blank and controlling the gear blank to rotate is arranged on the inner side of the arc-shaped material collecting cover, a tooth groove grinding piece matched with a tooth groove is arranged on one side of a cutting cutterhead on the inner side of the arc-shaped material collecting cover, and a first scrap suction pipe is arranged on the other side of the cutting cutterhead. A second scrap suction pipe is arranged on the side, away from the cutting cutterhead, of the tooth groove grinding piece, the end of the first scrap suction pipe abuts against and aligns to the tooth groove in the gear blank to achieve scrap suction, and the end of the second scrap suction pipe abuts against and aligns to the tooth groove in the gear blank to achieve scrap suction. The cutting cutterhead and the tooth groove grinding piece are integrally arranged on the inner side of the arc-shaped top cover, turning and grinding machining of the gear can be achieved in the process of controlling the reciprocating grinding mechanism to do horizontal reciprocating motion, and the gear machining efficiency and quality are improved through the gear in-situ machining mode.

The invention discloses a molar signal monitoring system and method based on optimized variational mode decomposition, and relates to the technical field of bio-electricity signal detection and processing. The system comprises a signal acquisition module used for acquiring temporalis surface electromyogram signals; the signal preprocessing module is used for performing preprocessing and envelope calibration on the temporalis surface electromyogram signals; the GWO-VMD algorithm module is used for performing multi-modal characteristic decomposition on the target temporalis surface electromyogram signals by using a GWO-VMD algorithm; the feature extraction module is used for extracting time domain features and frequency domain features from the multiple modal components; the classification and recognition module is used for classifying the feature vectors; and the real-time feedback and evaluation module is used for carrying out molar state evaluation according to the state classification result, and generating and sending a molar state monitoring result. According to the invention, different actions such as tooth grinding, tooth clenching, speaking, chewing and the like can be accurately identified, so that the signals of tooth grinding and tooth clenching are extracted for quantitative calculation and evaluation, and higher monitoring precision and real-time performance are achieved.

The utility model discloses a multifunctional pet toy ball. The multifunctional pet toy ball comprises a ball body, the ball body is provided with a food storage cavity, a plurality of food leakage holes communicated with the outside are formed in the cavity wall of the food storage cavity, the ball body is movably connected with a tooth grinding rod, the tooth grinding rod comprises a rod body extending into the food storage cavity, limiting bosses are arranged at the two ends of the rod body, and through holes used for storing the limiting bosses are formed in the ball body. Two limiting bosses are arranged on the periphery of the through hole in one side, a blocking table matched with the two limiting bosses is arranged on the periphery of the through hole in one side, a plurality of tooth grinding bosses are arranged on the periphery of the rod body, a gap for storing the blocking table is reserved between the tooth grinding boss on the outermost side and the limiting boss on the same side, and when the blocking table is located in the gap, the limiting bosses are kept to be located in the through holes. The pet toy solves the problems that in the prior art, functionality is few, attention of pets cannot be attracted continuously after a long time, and game fun is little.

Mandibular repositioning devices have a mandibular piece having a first teeth covering and having a housing proximate each of a left molar portion and a right molar portion, a protrusive flange extending cranially from each housing, and a maxillary piece having a second teeth covering and having a housing proximate each of a left molar portion and a right molar portion. Each housing encloses a power source electrically connected an on-board circuit board and the housings of the maxillary piece further have the power source electrically connected to a motor operatively connected to a drive for anterior and posterior movements of the mandibular piece. The maxillary piece sits on the mandibular piece with the driver operatively engaged with the protrusive flange. The protrusive flange has a concavely-shaped anterior surface mated to a convexly-shaped head of the driver shaped to match the concavely-shaped anterior surface of the protrusive flange.

The present invention relates to the technical field of gear grinding machines, and in particular to a high-precision CNC vertical gear grinding machine, comprising: a bed; a support frame, the support frame is movably arranged on the bed along the X-axis direction; a lifting plate, the lifting plate is movably arranged on the support frame along the Z-axis direction; a rotating mechanism, the rotating mechanism is arranged on the lifting plate; a support plate, the support plate is arranged on the rotating mechanism; a grinding wheel frame, the grinding wheel frame is movably arranged on the support plate along the Y-axis direction, and it comprises a frame body and a left connecting seat and a right connecting seat fixed on the frame body; a worm-type grinding wheel, the worm-type grinding wheel is rotatably connected between the left connecting seat and the right connecting seat, wherein an eccentric block is fixed to the left end portion of the worm-type grinding wheel, a spring block structure is arranged below the eccentric block, and a cleaning mechanism is arranged on the left front of the right connecting seat. The present invention realizes intermittent pause of the worm-type grinding wheel during grinding by arranging the eccentric block and the spring block structure, and realizes cleaning of metal debris adhered to the tooth groove wall by arranging the cleaning mechanism.

1. The name of the product under this design: Dog Chews (TZ‑LP001). 2. Purpose of this product with design: This product with design is used for pet dogs to grind their teeth, clean their teeth and for entertainment. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present disclosure is directed to a dental appliance. The dental appliance includes a first band adapted for mounting about a first tooth, such as a second molar, the first band having a mesial hook facing toward a root of the first tooth. A second band is included, the second band adapted for mounting about a second tooth, such as a premolar, wherein the second band has a distal hook facing toward a crown of the second tooth. A spring is secured to, and extends between, the distal and mesial hooks. The spring may be a nickel titanium coil spring and have a length of about 13 mm. Other embodiments include a supportive rigid bar, a bi-lateral arrangement, and a method of applying the dental appliance.

The utility model discloses a gear grinding clamp for rotary gear hobbing, and relates to the technical field of gear clamps. A base is characterized in that a machining table is arranged above the base, a placing plate is arranged at the top of the machining table, a stand column is arranged at the center of the placing plate and fixedly connected with the machining table, a pressing plate is arranged above the placing plate, and a clamping groove is formed in the top of the pressing plate. The machining table, the containing plate, the stand column and the pressing plate are arranged to be used for containing the rotary gear, clamping force is applied from the upper side and the lower side of the rotary gear through the containing plate and the pressing plate, the contact face between the rotary gear and the clamp is enlarged, and supporting of the clamp to the rotary gear is enhanced; and meanwhile, a stand column penetrates through an inner hole of the rotary gear, and a movable plate is arranged on the stand column to support the rotary gear from the inner side, so that the rotary gear can be stably clamped and fixed, and the rotary gear is prevented from deviating between the placing plate and the pressing plate.

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 an occlusal stable temporomandibular joint disorder therapeutic jaw plate and a preparation method thereof, and belongs to the technical field of dental restoration. The preparation method comprises the following steps: acquiring the upper and lower jaw position relation of a joint hinge shaft of a patient, and transferring to a jaw frame; the method comprises the following steps: importing a jaw frame and an occlusion relationship into computer software, designing an occlusion plate worn on an upper jaw dentition, and performing parameter adjustment: adjusting the occlusion height until a rear tooth tip is separated from contact by 1-3mm, only one buccal tooth tip of each of two premolars in the left lower and right lower back tooth areas and the first and second molars is in contact with the biteplate, and canine teeth and lower anterior teeth are in contact with the biteplate; and 3D printing is conducted according to the adjusted parameters of the biteplate, and the biteplate is manufactured. According to the manufacturing method, accurate and rapid manufacturing of the occlusal stable temporomandibular joint disorder treatment jaw plate can be achieved, and through combination of the semi-adjustable jaw frame and digital design, the treatment success rate can be remarkably increased, the pain of a patient can be relieved, and the life quality can be improved.

The utility model discloses a gear tooth polishing device for gear machining, which belongs to the field of gear tooth polishing, comprises a base and a frosted gear, and is characterized in that a motor is arranged in the base, the top of the motor is fixedly connected with a transmission shaft, and the transmission shaft is fixedly connected with the frosted gear; the middle of the transmission shaft is fixedly connected with a first bevel gear, and the two sides of the first bevel gear are engaged with second bevel gears. According to the grinding device, the motor, the grinding gear, the bevel gear and the gear to be ground are driven by the motor to rotate, the grinding gear is matched with the gear chamber to be ground in a meshed mode, the gear to be ground is driven to rotate and ground, meanwhile, the bevel gear drives the rotating disc to rotate, and the L-shaped rotating rod drives the sliding rod to slide up and down in the groove; and a to-be-polished gear is limited on the sliding rod, so that the to-be-polished gear moves up and down on the sliding rod, and the effect that the teeth are polished more sufficiently is achieved.

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 present invention discloses an anti-wear mouthpiece, which includes a left mouthpiece, a right mouthpiece and a connecting mechanism. The left mouthpiece and the right mouthpiece have the same structure. Both the left mouthpiece and the right mouthpiece include a mouthpiece body symmetrically arranged up and down, and an elastic connecting piece connected between the outer side walls of the upper and lower mouthpiece bodies; the mouthpiece body includes a contoured tooth groove for accommodating teeth, and a pair of clamping plates extending outward from the notch of the contoured tooth groove are provided to be movably engaged with the gums. Advantages: The present invention has a simple structure, and the distance and relative angle between the left and right mouthpieces can be adjusted through the connecting mechanism, and the height of the adjusting plate in the contoured tooth groove can be adjusted through the adjusting structure to be suitable for different users, and the applicability is strong and the manufacturing cost is low; the mouthpiece disclosed in the present invention is set on the outside of the teeth, and can replace the teeth to chew food, thereby solving various problems caused by excessive use of teeth, avoiding the aggravation of tooth problems, ensuring the normal eating of users, and reducing the wear on teeth.

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 discloses a snore-preventing device capable of being automatically adjusted to resist muscle fatigue. The snore-preventing device comprises a split tooth socket, an induction module, an integrated chip and a release module. The split tooth socket comprises a left rear molar tooth socket, a right rear molar tooth socket and an elastic pressing strip, the shell is formed by polyurethane 3D printing, a resin pressing die tooth socket is embedded in the shell, and a battery, an integrated chip and a signal circuit are arranged in the shell; the sensing modules are symmetrically arranged on the working surface of the inner side of the tooth socket and comprise flexible pressure sensors, humidity monitors and broken contact monitoring devices, the bottoms of the pressure sensors are arc-shaped triangular surfaces, the surfaces of the pressure sensors are covered with cellulose acetate films for resisting bacteria, and humidity monitoring ports are provided with carbon nanofiber pads for resisting moisture. The integrated chip converts the sensing data into an electric signal through the analog-to-digital converter, the signal processor and the transmitter and transmits the electric signal to the release module; after receiving the signal, the release module generates micro-current through an electrode to stimulate muscles, and the snoring symptom is inhibited. The shell is covered with a poly-o-phenylenediamine membrane, so that durability is enhanced, and the whole structure is small and portable and suitable for sleep breathing management.

A one-piece removable therapeutic dental orthotic to be worn on a wearer's lower dentition. The orthotic has occlusally bulging fulcrum regions positioned over a wearer's left and right first molar and second bicuspid, so that the orthotic initially contacts only a pair of fulcrum teeth of the wearer's upper dentition during the wearer's jaw closure movement, without any of the wearer's teeth touching each other. The initial contact locations serve as a fulcrum, and clearance is provided between the wearer's upper dentition and clearance regions of the orthotic on mesial and distal sides of the fulcrum regions, allowing the wearer's jaw to pivot about the fulcrum while the upper dentition remains in contact with the fulcrum regions and touches no other part of the orthotic.

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.

The utility model relates to a tooth grinding machine with a cleaning function, and relates to the technical field of grinding machines, the tooth grinding machine comprises a control box and a handle, the front end of the handle is provided with a grinding head, the handle is provided with a cleaning pipe, and one end of the cleaning pipe faces the side close to the grinding head; an adjusting assembly is arranged on the handle and used for adjusting the flushing angle, facing the grinding head, of the cleaning pipe. The position of the cleaning pipe can be adjusted, so that when an operator holds the grinding head on the handle to clean teeth, the sight is not hindered, and the grinding effect of the operator is improved.

The utility model discloses a mandible isolation tongue block structure, which comprises two belt rings respectively sleeved on first molars on two sides of a mandible; the connecting rod is arranged on the tongue side, the two ends of the connecting rod are connected with the two bands respectively, and the connecting rod has a radian bent in the arrangement direction of the teeth of the lower jaw; the tongue block is arranged on the tongue side, and the tongue block is vertically arranged on the connecting rod and used for isolating tongue muscles. The mandible isolation tongue blocking structure designed by the utility model is an appliance capable of relieving the thrust of tongue muscles to the mandible. The tongue blocking structure for isolating the lower jaw is convenient and fast to use, can effectively eliminate the cause of the reverse jaw problem caused by the low tongue position, is very suitable for being used by children with poor habits of the low tongue position, has high clinical value, and is suitable for clinical popularization and use.

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 product of this design: Teeth grinder (crab). 2. Purpose of the product with this appearance design: It is a baby product used for infants and young children to grind their teeth and play. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

1. Name of the Design Product: Teething Ring (Cartoon Car Remote Control). 2. Use of the Design Product: For babies to grind their teeth. 3. Design Key Points of the Design Product: The combination of shape and pattern. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.

1. The name of the product of this design: Bracelet chewing gum (Christmas series). 2. Purpose of the product with this design: This product with this design is used for infant teeth grinding. 3. The design key point of this appearance design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

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.

To provide a facing crown capable of making the strength of an upper jaw front tooth equal to the occlusal force of a molar, and a wax cover capable of efficiently shaping a wax pattern formed in the process of manufacturing the facing crown.SOLUTION: A facing crown 30 to be attached to an upper jaw front tooth 11 is provided with a metal frame 32, and a step part 34 with which the top part of a lower jaw front tooth 21 is brought into contact is formed on the tongue side of the metal frame 32 when attached to the oral cavity. In a wax cover 40 used when the facing crown 30 is manufactured, a molding stepped part 45 having a shape similar to the shape of a stepped part 34 of the metal frame 32 is formed in a cutting edge part 44 of the wax cover 40.SELECTED DRAWING: Figure 1