63 results about "Occlusal forces" patented technology

The utility model discloses a correction component which comprises a first protruding structure arranged corresponding to the lip-cheek side or the tongue side of a first tooth jaw, and the first protruding structure is configured in the mode that when the first protruding structure abuts against a second tooth jaw of a pair jaw, a first jaw position is formed, the first jaw position deviates from an initial jaw position, and when the first jaw position deviates from the initial jaw position, the second jaw position deviates from the initial jaw position. The first occlusal force corresponding to the first jaw position is greater than the initial occlusal force corresponding to the initial jaw position. According to the utility model, the first jaw position can be reached through the mutual abutting of the first convex structure and the second tooth jaw, and the first jaw position has larger first occlusal force, so that larger orthodontic force can be provided for the first tooth jaw and the second tooth jaw.

The utility model discloses an oral biomechanics capsule type detector, which comprises a main body made of an elastic material and provided with a tooth stress area for receiving tooth occlusion and a tongue and lip stress area for receiving tongue pressing and / or lip furling pressure; the capsule type detection structure comprises a plurality of cavities which are formed in the main body and are communicated with one another and a pressure sensor used for measuring the pressure of an integral cavity formed by the plurality of cavities, and the tooth stress area and the tongue and lip stress area are each provided with at least one capsule type detection structure. The measuring device can be used for measuring tooth occlusal force, lip smoothing force and tongue force in the upper jaw jacking direction, has the characteristics of simple structure, safety, sanitation, high comfort level, reliability in measurement, convenience in operation, reusability after cleaning and the like, is beneficial to clinical evaluation and diagnosis, and provides an effective auxiliary means for oral rehabilitation and orthodontic treatment.

The application provides a combined device of an accessory and a shell-shaped appliance and a manufacturing method thereof, the accessory comprises a tooth accessory fixed on a tooth surface and a dental model accessory fixed on a dental model, the tooth accessory is smaller than the dental model accessory, the occlusal surface of the dental model accessory forms different degrees of occlusal contact with the opposite teeth, so that the shell-shaped appliance generated based on the dental model with the dental model accessory fixed thereon can enhance the seating by using the occlusal force, there is a gap between the occlusal surface of the dental model accessory and the introduction surface of the tooth accessory, so that there is a gap between the accessory cavity of the shell-shaped appliance and the tooth accessory, the appliance has a larger surface area and better elastic performance in the accessory part, which is beneficial to enhance the seating and express the correction force, in addition, the occlusal surface of the dental model accessory can also be designed to have the functions of lifting the occlusion and leading the lower jaw.

The invention relates to the technical field of orthodontic appliances, in particular to a self-adjusting arch expander based on hydraulic transmission, which comprises a jaw plate and a tooth sleeve, the tooth sleeve is arranged on the side wall of the jaw plate, a liquid storage bag is arranged in the tooth sleeve, and after the tooth sleeve is worn on a tooth, the liquid storage bag is positioned on a tooth occlusal surface; the jaw plate comprises a first part and a second part which can be far away from each other, a connecting pipe is arranged between the first part and the second part, and two ends of the connecting pipe are respectively arranged in the first part and the second part; a piston is arranged in the connecting pipe and provided with a push rod, the push rod is connected with the first part and the second part, so that when the piston pushes the push rod to move, the first part and the second part are pushed to be away from each other, a one-way valve is arranged in the connecting pipe, and the liquid storage bag is communicated with the one-way valve. According to the occlusal force of a patient, automatic arch expansion is achieved, the size of arch expansion force can be adjusted in a self-adaptive mode according to the size of the occlusal force of the patient, and the effect of improving the comfort and convenience of the patient after wearing is achieved.

The application discloses a crown-bridge prosthesis, which comprises a bridge body and two retention crowns, the bridge body is arranged between the two retention crowns, the top of each retention crown is provided with a retention groove, the front surface of each retention crown is provided with a positioning channel, the top of the positioning channel is throughly arranged, the positioning channel is communicated with the retention groove, an adapter is arranged in the retention groove, the front surface of the adapter is provided with a through hole, a center block is arranged in the through hole, the outer wall of the center block is provided with a clamping groove, the center block is movably clamped in the positioning channel, and a plurality of spring telescopic structures are uniformly arranged on the outer wall of the center block in a ring shape. The crown-bridge prosthesis is connected with abutments or implant abutments through the retention crowns. When a patient chews, the occlusal force is first applied to the bridge body, the force is transmitted to the center block of the adapter through the retention protrusions on the two sides of the bridge body, when the occlusal force is applied, the spring telescopic structures can absorb part of the force, reduce the impact on the natural teeth and the implant, disperse the stress, and avoid stress concentration.

The present application relates to the technical field of oral orthodontic appliances, in particular to a self-adjusting arch expander based on hydraulic transmission, which comprises a jaw plate and a tooth sleeve, the tooth sleeve is arranged on the side wall of the jaw plate, and a liquid storage bag is arranged in the tooth sleeve; after the tooth sleeve is worn on the teeth, the liquid storage bag is on the occlusal surface of the teeth; the jaw plate comprises a first part and a second part which can move away from each other, a connecting pipe is arranged between the first part and the second part, and the two ends of the connecting pipe are arranged in the first part and the second part respectively; a piston is arranged in the connecting pipe, a push rod is arranged on the piston, and the push rod is connected with the first part and the second part, so that when the piston pushes the push rod to move, the first part and the second part are pushed away from each other; a one-way valve is arranged in the connecting pipe, and the liquid storage bag is communicated with the one-way valve. The present application can automatically expand the arch according to the occlusal force of the patient, and can adaptively adjust the size of the arch expansion force according to the size of the occlusal force of the patient, thereby improving the comfort and convenience of the patient after wearing.

Provided is an orthodontic appliance, comprising a fixed base (1) that can be bonded and fixed to a tooth surface, a movable wing (2), and a spring (3). The movable wing (2) is slidably positioned on the fixed base (1); a bottom surface of the fixed base (1) is machined with a bonding pattern, one end of the surface is machined with a wing base (12), and the middle of the wing base (12) is provided with a sliding groove (121) in a direction of the central plane; the movable wing (2) comprises an occlusal splint (21) and a sliding rod (22), and the sliding rod (22) is positioned in the sliding groove (121) and can move back and forth along the sliding groove (121); the spring (3) is sleeved on the sliding rod (22), and one end of the spring (3) abuts against the wing base (12) and always maintains a tendency in which the movable wing (2) is away from the wing base (12); the occlusal splint (21) can move toward the wing base (12) end under the driving of the tooth occlusal force and generate an orthodontic thrust on the wing base (12) by means of the spring (3). Using the occlusal splint (21) on the movable wing (2), the occlusal force generated by each occlusal action is picked up and converted into an adduction force on the anterior teeth, thereby forming a dynamic orthodontic process and minimizing the impact on the posterior teeth.

The invention provides an occlusion induction appliance for a tooth replacement period, an orthodontic system for guiding jaw growth in the tooth replacement period and a design method of the orthodontic system. The occlusion induction appliance for the tooth replacement period comprises an upper jaw tooth socket and a lower jaw tooth socket, a lower jaw brace; the intermaxillary connecting body is positioned between the occlusal surfaces of the back tooth areas of the upper jaw tooth socket and the lower jaw tooth socket; wherein the upper jaw tooth socket and the lower jaw tooth socket form a rigid integral structure which cannot move relatively on an occlusal surface through the intermaxillary connector; the intermaxillary connecting body has a preset thickness so as to open occlusion contact of upper and lower anterior teeth in a wearing state, and the intermaxillary connecting body is configured to lock the lower jaw tooth socket at a preset three-dimensional space position relative to the upper jaw tooth socket body; when the occlusion induction appliance for the tooth replacement period is worn, the upper dentition and the lower dentition serve as integral interactive anchorage, and the occlusion force is converted into the orthodontic force acting on the dentition or the jaw bone.

The utility model discloses a waistband fixing buckle with a double-layer latch structure, which comprises a waistband buckle, the clamping tooth component comprises side plates, rotating rollers and tooth blocks, the side plates are fixed to the lower portions of the two ends of the outer surface of the belt buckle, the rotating rollers are installed on the inner surface of the belt buckle, and the tooth blocks are of a double-layer structure and comprise the upper-layer tooth block and the lower-layer tooth block. The rotating roller, the inner groove, the spring, the handle, the cross rod and the tooth blocks are arranged on the inner surface of the belt buckle, and the double-layer tooth blocks are arranged on the outer surface of the rotating roller, so that the belt buckle can play a role in multiple layers, and the occlusal force is remarkably improved; the upper-layer tooth block and the lower-layer tooth block can make close contact with the waistband from different angles and positions, so that the friction force between the tooth blocks and the waistband is greatly increased, and the waistband can be more effectively grabbed and prevented from sliding.

The utility model relates to dental instrument test technical field especially, it relates to a kind of anti-bruxism sleeve endurance test tooling. Including: occlusion controller, configuration is to exert set pressure and carry out set number of occlusion cycle, the occlusion cycle includes loading and unloading operation;Test sink, for containing artificial saliva and immerging to be measured anti-bruxism sleeve;Temperature controller, for the artificial saliva is heated and maintained at set temperature;Tooth model, for fixing the anti-bruxism sleeve, and place in the test sink;Wherein, the occlusion controller includes pressure applying device, for the anti-bruxism sleeve fixed on the tooth model is exerted vertical occlusal force, to simulate human occlusion action.By multiple components cooperation realizes accurate simulation oral environment, occlusion action to test the use effect of anti-bruxism sleeve.

The invention relates to a tooth veneer manufacturing method and system, and belongs to the technical field of tooth veneer manufacturing. Comprising the following steps: selecting anterior teeth of which tooth veneers need to be manufactured from a mouth scanning model as target teeth; determining the minimum distance between the target tooth and the jaw tooth during occlusion according to the occlusion trajectory data of the target tooth and the jaw tooth; determining stress data of the target teeth during occlusion according to the occlusal force data of the target teeth; when the minimum distance is not smaller than the thickness threshold value and the stress data meets the safety stress standard, generating a thickness curved surface of the target tooth based on the surface profile of the target tooth in the oral scanning model; and generating a tooth veneer model according to the surface profile and the thickness curved surface, performing finite element strength check on the tooth veneer model, and performing 3D printing after the check is passed to obtain the tooth veneer. The tooth veneering model with high matching degree with the teeth can be quickly generated by directly utilizing the oral scanning model so as to print the tooth veneering, direct preparation on the teeth is not needed, and the manufacturing period is short.

The invention discloses a vibrating wire fusion strain tooth occlusal force measuring device and method, and belongs to the technical field of oral biomechanical testing. The device adopts a split structure and comprises a cover body, a shell, a measuring main body and a handle main body, the cover body and the shell are connected to form a shell and serve as a tooth stress surface; the measuring main body is accommodated in the shell, a first convex part of the measuring main body is provided with a string clamping device for fixing and tensioning the vibrating string, and a second convex part is provided with a strain gauge; the handle body is provided with a display module and a battery. Based on a vibrating wire sensing principle, a force value is obtained by measuring a vibrating wire tension change and an inherent frequency change caused by a bite force, compensation is carried out in combination with a strain gauge signal, and a result is directly displayed on a display module after calculation by a built-in circuit. The device has the advantages of strong anti-interference capability, high measurement precision, integration, convenience in cleaning and disinfection and simplicity and convenience in operation, and is suitable for clinical oral diagnosis and biomechanical research.

The one-section type dental implant comprises an implanting section, an abutment gum-penetrating section and an abutment retention section which are sequentially arranged from bottom to top, the implanting section, the abutment gum-penetrating section and the abutment retention section are of an integrally formed structure, threads are arranged on the body portion of the implanting section, an anti-rotation portion is arranged at the bottom of the implanting section, the longitudinal section of the abutment gum-penetrating section is in a trapezoid shape, and the abutment gum-penetrating section and the abutment retention section are integrally formed. The body part of the abutment retention section is provided with an identification surface, and a buffer pad is arranged at the joint of the abutment gum penetrating section and the abutment retention section. The one-section dental implant can be matched with a one-section dental implant method for treatment, two operations in the traditional technology are shortened to one operation, the time for waiting for osseointegration and soft tissue healing after the first operation is omitted, and the pain and psychological stress of a patient are relieved; the cushion pad can reduce the abrasion degree between the bottom of the dental crown and the gingival penetrating section of the abutment during long-time use, effectively disperse and absorb the occlusal force generated in the chewing process, reduce the impact on the implant and the surrounding bone tissues, and prolong the service life of the implant.

The utility model discloses a dental implant angle abutment made of molybdenum-rhenium alloy material, which comprises an abutment upper structure and an abutment lower structure which are connected from top to bottom, the abutment upper structure comprises a truncated cone section and a connecting section, the lower end of the truncated cone section is connected with the connecting section, the connecting section and the truncated cone section are not coaxial, and the lower end of the truncated cone section is connected with the abutment lower structure. The connecting section is in threaded connection with the top of the abutment lower structure; the abutment upper structure and the abutment lower structure are both made of molybdenum-rhenium alloy materials. The dental implant is beneficial to angle matching of a long axis of a root crown after the implant is placed, ensures that the dental implant and surrounding bone tissues realize bony combination in the early stage and the soft tissues around an abutment are closed and combined, and effectively reduces occlusal force to bone structures around the implant and bone tissues around the abutment. Particularly, the long-term stable natural fusion state between the implant and the skeleton can be more prominently consolidated by stress interference of bone tissues around the neck of the implant and resistance to invasion of adverse factors of the oral environment.

The invention particularly relates to a three-dimensional reconstruction method and system for manufacturing a fixed restoration, and the method comprises the steps: obtaining an oral environment parameter set of a user, the oral environment parameter set at least comprises occlusal force distribution, temperature condition, bacteria attachment amount, bacteria attachment position distribution and use habits; substituting the oral environment parameter set of the user into a digital model generation module to construct an oral environment digital model; obtaining initial prosthesis parameters; substituting the initial restoration parameters and the oral environment digital model into a restoration three-dimensional optimization module to generate restoration optimization parameters and an optimized three-dimensional model of the restoration; and manufacturing the fixed prosthesis according to the prosthesis optimization parameters. According to the method, full-periodical performance prediction of the prosthesis and automatic optimization of the prosthesis are realized, the design efficiency of the prosthesis and the precision of a three-dimensional reconstruction model are improved, and intelligence and precision of a three-dimensional reconstruction technology in the manufacturing process of the prosthesis are realized.

According to the base applied to the wall switch socket, the annular surface is arranged to be of a structure with the high-position part and the low-position part, so that when the base is installed on a carrier, a screw is in an inclined state after the screw extends into an installation hole, and friction force and occlusal force between the screw and the carrier as well as between the screw and the base are further increased; and the stability and firmness of base installation are improved. Meanwhile, the screw limiting groove formed in the low-position part can further limit the screw, and the screw is prevented from loosening or displacing in the using process.

The present invention relates to an abutment for dental implant, which performs a function of buffering occlusal force transmitted through a prosthesis, and is elastically combined with the prosthesis, rather than being combined through an adhesive, and more particularly to an abutment for dental implant, which is formed with a prosthesis fastening protrusion protruding outward with a larger outer diameter than a straight lower portion on an outer side surface of an upper portion of the abutment on which the prosthesis is installed, and a cut portion, which divides the upper portion of the abutment into a plurality of slices, is formed continuously with a certain interval from an upper end surface of the abutment toward a lower side, and the certain interval is formed in a spiral shape or a diagonal line shape.

This invention discloses a device and method for measuring occlusal force of an implant abutment, belonging to the field of oral implant restoration technology. It includes an installation cavity within the abutment body to house a sensing unit, with the cavity layout avoiding stress concentration areas of the abutment; multiple arrays of sensing units are arranged in the force-sensitive areas of the abutment, and the occlusal force distribution and peak force are collected through the multi-array arrangement of the sensing units; a local oral environment parameter monitoring unit is integrated on the sensing unit, and the occlusal force and surrounding microenvironment data are collected in conjunction with the monitoring unit; the sensing unit employs multi-layer biocompatible encapsulation and integrates a temperature drift compensation unit; the sensing unit is connected to a transmission unit, which transmits the collected occlusal force data to a data processing terminal; the data processing terminal includes a predictive analysis module. This invention achieves in-situ monitoring and has advantages such as high accuracy, stable signal, good reliability, and ease of clinical translation.

On one hand, the utility model provides a dental instrument which is U-shaped, the upper side of the dental instrument is provided with a cavity for accommodating the upper jaw dentition of a patient, the lower side of the dental instrument is provided with a cavity for accommodating the lower jaw dentition of the patient, the dental instrument comprises a first section and a second section which are connected along the front-back direction, and the upper side and the lower side of the dental instrument are folded at the first section; the upper side and the lower side of the dental instrument are forked on the second section in the direction from the first section to the second section, and under the action of occlusal force of a patient, the forked part between the upper side and the lower side of the second section of the dental instrument can be reduced, so that rebounding force generated by elastic deformation can lower corresponding teeth of the patient.

This invention provides a disposable, simple endotracheal intubation fixator for use in the field of endotracheal intubation. It includes a fixation tube with an adjusting sleeve and a threaded bolt connected to its inner wall. A knob drives the threaded bolt to press and adjust the adjusting sleeve, thereby fixing and locking the intubation tube to prevent slippage, displacement, and dislodgement. It employs a biomimetic integrated dental arch design, consisting of upper and lower occlusal plates and an elastic arc strip, preventing occlusal force from directly acting on the intubation tube and dispersing the biting force. Buffer pads are provided on the occlusal plates for cushioning and protection. Suction cups are added to the cheekbone area on both sides of the patient, connected to the fixation tube via an arc-shaped fixation frame. The bony support of the cheekbone reduces stress on facial soft tissues. Non-woven fabric patches are placed on the skin-contacting surfaces of the suction cups to keep the skin dry and clean. Elastic bands are incorporated into the arc-shaped fixation frame for double fixation, making it compatible with the needs of different patient groups and clinical scenarios.

The invention provides bionic composite hydrogel and a preparation method and application thereof, and belongs to the technical field of medical materials.The bionic composite hydrogel is obtained by mixing CS-MA-GA dispersion liquid and SIS / nHAP dispersion liquid and then conducting a photo-crosslinking reaction, and CS-MA-GA is prepared through a reaction of methacrylic acid MA, chitosan CS and gallic acid GA; the SIS / nHAP is prepared from SIS collagen and hydroxyapatite. Gallic acid in CS-MA-GA and SIS collagen in the bionic composite hydrogel prepared by the invention construct a dual bonding mechanism, so that the material can be firmly and permanently combined with teeth in a humid oral environment, and micro-leakage is effectively prevented. The nano-hydroxyapatite plays a role in reinforcing the filler in a photo-crosslinking network, so that the compression modulus and the wear resistance of the hydrogel are remarkably improved, and the hydrogel can bear the occlusal force. Meanwhile, the SIS collagenous fibers are interwoven with the nHAP and CS-MA-GA network to form a bionic organic-inorganic composite structure, and the composition of natural dentin is highly simulated.

The present invention relates to a dental implant abutment that is connected to a dental implant fixture that is implanted into alveolar bone. The dental implant fixture according to the present invention includes an inner coffin, one end of which is connected to the fixture and the other end of which has an axial hole formed from the upper end surface to the lower end, an outer coffin, which is connected to the upper outer surface of the inner coffin, and a occlusal force buffering device that has a occlusal force buffering portion along its length, is inserted through the axial hole formed in the upper end surface of the outer coffin, and is placed in the axial hole of the inner coffin.

The invention discloses a single-pair tooth occlusal force measuring probe and method based on a spring and strain sensing, an upper occlusal end cover and an upper end opening of a lower cavity are sealed by a rubber sealing ring to form a sealed cavity, and a vertical force transmission spring is arranged in the middle of the interior of the sealed cavity; the upper end of the force conduction spring is connected with the middle of the bottom face of the upper meshing end cover, the lower end of the force conduction spring is connected to the middle of the bottom of the lower cavity through a spring fixing device, four strain gauges evenly distributed in the circumferential direction are pasted in the maximum deformation area of the middle section of the force conduction spring through a biocompatibility adhesive, and the four strain gauges are connected through a full-bridge circuit. The controller is connected with external equipment through a wire; the occlusal force is transmitted to the upper occlusal end cover in the axial direction, a spring and a strain gauge are adopted for cooperative sensing, the device can adapt to a single-pair tooth measurement scene of a local small space of an oral cavity, real and stable measurement of the occlusal force can be achieved through buffering type force conduction and accurate strain collection, and meanwhile clinical disinfection convenience and data compatibility are considered.

An infusion pumping mechanism includes a motor, a plurality of pump fingers and an opposing plate. Each finger of the pump fingers includes a body portion and a head portion. The head portion includes a tip that is configured to contact and occlude a tube installed in the pumping mechanism. The opposing plate includes an anvil with a plurality of force concentrators. A force concentrator of the plurality of force concentrators corresponds to a respective pump finger of the plurality of pump fingers. Additionally, the force concentrator includes a concentration surface configured to contact and occlude the tube. The force concentrator is aligned with a tip of the respective pump finger such that as the finger is directed towards the tube and contacts the tube, both the tip and the force concentrator provide pressure to opposite sides of the tube and at least partially occlude the tube.

The invention provides a three-dimensional modeling method and system for an oral implant. The method comprises the following steps: dividing a target oral region into a plurality of implant function units; performing multi-parameter constraint optimization on the design variables of the implant through the constraint of the safe distance between the implant size and the tooth root bone structure of the target oral cavity region and the occlusal force distribution constraint among the implant function units to obtain an implant parameterized model of the target oral cavity region; performing finite element biomechanical simulation on stress distribution and displacement conditions of the implant parameterized model under the chewing load through the implant parameterized model to obtain a biomechanical load value of the implant parameterized model; and when the biomechanical load value is greater than a preset biomechanical performance threshold value, performing iterative collaborative optimization on the implant parameterized model, and outputting a three-dimensional functional model of the target oral cavity area implant. Based on the scheme, mechanical collaborative optimization in three-dimensional modeling of the oral implant can be realized.

The utility model discloses a mouth opening exerciser capable of carrying out staged occlusion training, relates to the field of mouth opening exercisers, and solves the problems that the traditional mouth opening exerciser cannot adjust the training intensity, so that the intensity of occlusion training is possibly insufficient along with continuous use, the training effect is influenced, and the training effect is influenced. Comprising an upper pressing plate and an adjustable training structure connected to the bottom of one side, the adjustable training structure comprises a lower pressing plate, a rectangular notch is formed in one side of the upper pressing plate, a protruding plate is connected to the adjacent side of the lower pressing plate and rotationally connected with the inner side of the rectangular notch through a pin shaft, and five evenly-formed grooves are formed in the adjacent side faces of the upper pressing plate and the lower pressing plate correspondingly; the embedded face in the groove in the lower pressing plate is fixedly connected with a compression spring, the other end of the compression spring is connected with a hanging ring, the design enables the exerciser to adapt to training requirements of different users, flexibility and individuation of exercise are improved, resistance is beneficial to exercising oral muscles and improving bite force, and therefore the problem that the mouth is difficult to open is solved.

The present application relates to the technical field of automatic clamping control, and particularly relates to a kind of automatically clamped pneumatic device and intelligent control method.The device improves the adaptability of clamping different shape materials through replaceable modular jaw, determines the moment needing regulation and control by analyzing the unstable results of monitoring material vibration state in material cleaning process;In the process of occlusion regulation, considering the vibration influence of pneumatic vice operation, through the component decomposition analysis of collected vibration data, eliminating the interference of mechanism vibration itself to material vibration state, obtaining vibration influence signal;Combining the unstable situation on vibration influence signal with the final stable occlusion force obtained by occlusion force prediction, the regulation and control of clamping is completed by stable occlusion force.The present application analyzes the vibration influence interference of starting vice work, makes the occlusion force regulation more accurate, and improves the stability in material clamping process.

The present invention relates to an orthodontic appliance with an orthopedic function. The orthodontic appliance includes an upper teeth aligner mounted on user's upper teeth to correct arrangement of the user's upper teeth, a lower teeth aligner mounted on user's lower teeth to correct arrangement of the user's lower teeth, and occlusal force conversion units respectively provided on the upper teeth aligner and the lower teeth aligner, and configured to interact with each other in a state in which the upper and lower teeth aligners are in contact, so as to cause the relative position of a mandible with respect to a maxilla to move to a normal position. The orthodontic appliance is freely attached to and detached from the user's teeth like conventional clear orthodontic appliances so as to be easily used, and thus simultaneously corrects teeth arrangement and performs orthopedic treatment.

The invention relates to the technical field of medical instruments, in particular to an occlusal plate system and an oral cavity abnormal behavior detection and intervention method. The sensor module comprises a first pressure sensor array and a second pressure sensor array which are installed on the bite plate body, the first pressure sensor array is used for monitoring bite force, and the second pressure sensor array is used for monitoring tongue pressure; the tactile feedback module is mounted on the biteplate main body and is used for providing tactile prompts for a user; the control module is installed on the biteplate body and used for transmitting and processing signals, the first pressure sensor array and the second pressure sensor array are in communication connection with the input end of the control module, and the tactile feedback module is in communication connection with the output end of the control module. Abnormal oral behaviors can be accurately recognized and fed back and warned to a patient in real time, and intelligent detection and intervention are achieved.