145 results about "Maxillary tooth" patented technology

The invention discloses a CBCT tooth segmentation method and system based on an anatomical perception cascade network, and the method comprises the steps: a first stage, carrying out the simplified dichotomy segmentation based on an original CBCT image and a coarse segmentation network taking 3D U-Net as a trunk, outputting maxillary and mandibular tooth probability graphs, and taking the maxillary and mandibular tooth probability graphs as prior information to guide the generation of an SDM; in the second stage, the original CBCT image and the calibrated maxillary tooth probability graph and the calibrated mandibular tooth probability graph are spliced together, a formed multi-channel input tensor is input into a fine segmentation network, the fine segmentation network takes Residual U-Net as a trunk, and an improved AGBR module and an improved SDMAA module are integrated in an encoder-decoder architecture of the fine segmentation network; and the decoder fuses all refined and re-calibrated feature maps, and upsamples and reconstructs 42 types of instance segmentation results with correct topology and clear boundaries. According to the method, the problem that in the prior art, when the inherent and local boundary fuzzy defect in CBCT is overcome, an effective pertinence mechanism is lacked is solved, and precise and robust 42-class instance segmentation can be achieved.

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 relates to an occlusion guide plate designing and manufacturing method based on dentition mechanical analysis, which comprises the following steps: S1, acquiring oral cavity image data of a patient, and constructing a three-dimensional digital model comprising a dental crown, a tooth root and an alveolar bone structure; s2, calculating an overall mechanical reference point of a tooth root structure of an anterior maxillary tooth area; s3, acquiring an incisal edge midpoint of each incisal tooth and a cusp point of each canine tooth in the maxillary anterior tooth area, solving a geometric center, and connecting the geometric center with an overall mechanical reference point to form a dentition direction vector; s4, calculating the displacement relationship between the target dentition arrangement and the initial dentition arrangement in the lip-tongue direction; s5, calculating an included angle between the occlusal force direction of the maxillary anterior tooth area and the dentition direction vector; s6, determining key morphological parameters of the occlusion guide plate according to the calculation result of the included angle in S5; and S7, manufacturing the occlusion guide plate. Compared with the prior art, the method has the advantages of precise mechanical adaptation, quantitative treatment prediction, personalized design and the like.

The utility model discloses a dental system which comprises two correcting devices corresponding to the Nth correcting step and the (N + M) th correcting step, N and M are positive integers, each correcting device comprises a jaw plate structure connected with the upper jaw and the lower jaw, each jaw plate structure comprises a first part arranged corresponding to the upper jaw teeth and a second part arranged corresponding to the lower jaw teeth, and when the jaw plate structures are connected with the upper jaw and the lower jaw, the first part is connected with the first part. The first part and the second part abut against each other to form an abutting face, the two jaw plate structures corresponding to the two correctors have different parameters, and the different parameters are configured as follows: when the jaw plate structures are connected with the upper jaw and the lower jaw, the different parameters generate different acting forces and / or different moments. Different parameters can enable the two correctors to generate different acting forces and / or different moments, and the correction requirements of different correction steps are met through the different acting forces and / or the different moments.

The invention provides a computer-implemented method for determining the occlusion relationship of three-dimensional digital models of maxillary and mandibular dentitions based on tooth photos, which comprises the following steps: acquiring a first photo of teeth of a patient in an occlusion state, the first photo comprising a plurality of maxillary teeth and a plurality of mandibular teeth; obtaining a first three-dimensional digital model and a second three-dimensional digital model respectively representing the upper jaw dentition and the lower jaw dentition of the patient; rendering the first three-dimensional digital model and the second three-dimensional digital model to obtain a first rendering graph; predicting an optical flow between the first photo and the first rendering graph by using a trained optical flow neural network based on the first photo and the first rendering graph; and based on the optical flow, calculating a first spatial position transformation relationship which can transform the relative position relationship between the first and second three-dimensional digital models to a state closer to the bite state shown by the first photograph, with a solution to solve the PnP problem, and calculating a second spatial position transformation relationship which can transform the relative position relationship between the first and second three-dimensional digital models to a state closer to the bite state shown by the first photograph.

The invention relates to the field of orthodontics, in particular to a device for controlling palatal root movement of anterior teeth of an upper jaw and a manufacturing method. According to the device, the traction arm and the traction ring which extend to the palatal side of the anterior maxillary teeth are additionally arranged on the basis of the transverse palatal bar and are matched with the traction buckle of the anterior maxillary teeth to guide orthodontic force to act below a tooth impedance center, so that root control movement which is difficult to achieve by a traditional orthodontic method is realized, bending torque on an arch wire or placing other root control devices is not needed, and the whole device is simpler and more attractive; in addition, the device part is manufactured by adopting a 3D printing technology, firstly, tooth and intraoral soft tissue data of a patient are obtained by scanning the interior of an oral cavity, then the oral scanning data are matched with CBCT, a specific device is designed by using software, finally, a finished product is directly printed in a 3D manner, the transverse palatal bar and the traction buckle are completely matched with the tooth surface by adopting the 3D printing technology, and the comfort level is high.

The utility model provides an invisible appliance which comprises a shell-shaped body and a tongue muscle training piece, and the shell-shaped body is provided with a cavity for accommodating a plurality of maxillary teeth; the tongue muscle training piece is connected to the lingual gingival margin of the shell-shaped body or adjacent to the gingival margin, and is provided with a sensing cavity and a sensing opening for exposing the sensing cavity; wherein the sensing port is positioned on the tongue side of the tongue muscle training piece; the tongue muscle training piece is provided with a sensing cavity and a sensing opening exposing the sensing cavity, the sensing opening is located in the side, facing the tongue body, of the tongue muscle training piece, the tongue of a user completes tongue muscle training by touching the sensing opening and partially stretching into the sensing cavity, the experience feeling and interestingness are good, the training enthusiasm of the user can be stimulated, and the user experience is improved. And the tongue muscle training effect is improved.

The invention relates to a method for determining whether a tooth is correctly shaped and oriented to avoid interference with another tooth using virtual articulation. The method comprises a) receiving data indicative of a virtual dentition of an oral cavity of a patient by a computing device, the data indicative of the virtual dentition including data indicative of at least one of a virtual mandibular arch representing a mandibular arch of the patient or a virtual maxillary arch representing a maxillary arch of the patient; b) receiving data indicating a selected point on the virtual dentition of the oral cavity; and c) determining a tangent vector indicating a direction of motion of the selected point and determining whether the orientation of a tooth of the virtual dentition or the shape of the tooth is correctly shaped and oriented based on the determined tangent vector, wherein the tangent vector is based on a rotational axis of the virtual mandibular arch.

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 present invention relates to a guided bone regeneration device that is intended for the reconstruction of a buccal bone defect and is composed of an optionally micro-perforated smooth wall which is made of titanium and has a shape that covers said buccal bone defect.The present invention also relates to a process for manufacturing a device of the invention, comprising a step of constructing the device of the invention according to a three-dimensional representation obtained by means of a technique of maxillary-dental imaging of the bone defect.

The invention belongs to the technical field of medical instruments, and particularly relates to a multidirectional distraction osteogenesis correction system, in the multidirectional distraction osteogenesis correction system, the distance between a first fixing sleeve and a second fixing sleeve in supporting assemblies can be adjusted through a second traction assembly, and the distance between the two sets of supporting assemblies can be adjusted through a first traction assembly; the bilateral tooth-bone metastasis plate can be adjusted in the two-dimensional moving direction and the moving amount, the bilateral tooth-bone metastasis plate is allowed to move asymmetrically, transverse and sagittal differential distraction osteogenesis is achieved, and the bilateral tooth-bone metastasis plate is particularly suitable for cleft lip and palate patients with maxillary sagittal and transverse development insufficiency. According to the multidirectional distraction osteogenesis correction system, bilateral asymmetric distraction osteogenesis can be achieved, unilateral / bilateral alveolar process fractures of the front section of the maxillary dental arch are narrowed, the success rate of an alveolar process fracture bone grafting operation is increased, the alveolar bone mass of the middle section of the maxillary dental arch is increased, dentition congestion is relieved, space is provided for repair treatment, and the difficulty of subsequent treatment such as orthognathic surgery is reduced.

A mouth-operated control device comprising an arched casing (10) configured for at least part of the casing (10) to be arranged between a maxillary dentition and a mandibular dentition of the user in an operating position, a first at least bidirectional input interface (21) housed in the concave region of the casing (10) and accessible to the tongue of the user; a second at least bidirectional input interface (22) in the part of the casing (10) intended for being arranged between the maxillary dentition and the mandibular dentition selected to be arranged facing the mandibular dentition of the user, allowing the operation thereof with the relative movement between the maxillary dentition and the mandibular dentition of the user; and a control electronics (30) connected to all the input interfaces (21, 22, 23) for the transmission of control signals to an external device.

Embodiments of the present application relate to the field of digital processing, and disclose a display method and device of a hard palate appliance, an electronic device and a storage medium. The display method of the hard palate appliance in the present application comprises: obtaining information of a digital dental model, the information of the digital dental model at least including a maxillary tooth grid, a hard palate grid and a bite direction in tooth data of a case; calculating control points of teeth with preset numbers in the maxillary tooth grid; obtaining a grid model of a lower surface according to the control points and the hard palate grid; obtaining a grid model of an upper surface according to the grid model of the lower surface and the bite direction; generating a display model of the hard palate appliance according to the grid model of the lower surface and the grid model of the upper surface; and displaying the display model of the hard palate appliance. In the embodiments of the present application, the morphological characteristics of the hard palate appliance can be displayed.

This invention discloses a personalized Gothic arch component for dental implant restoration and a method for determining digital jaw position relationships, belonging to the field of medical device technology. The component includes a mandibular tracing needle fixation bracket, a tracing needle, a maxillary Gothic arch tracing plate, and fixing screws. The mandibular tracing needle fixation bracket comprises a Y-shaped tracing needle positioning frame and a personalized implant fixation bracket. The tracing needle is fitted into the central groove of the mandibular tracing needle fixation bracket via a shaft-hole fitting structure. The maxillary Gothic arch tracing plate is U-shaped and adapts to the maxillary dental arch. Both the mandibular tracing needle fixation bracket and the maxillary Gothic arch tracing plate are provided with screw channels for matching fixing screws. The method for determining digital jaw position relationships includes: taking a digital impression; designing and 3D printing the above components using CAD / CAM; determining the vertical distance and centric relationship using the personalized Gothic arch; and transferring the maxillary-mandibular relationship for edentulous full-mouth implant restoration based on occlusal records and electronic facebow data, thereby improving the clinical applicability of the restoration.

The dental assembly comprises a first tooth socket and a second tooth socket which correspond to maxillary teeth and mandibular teeth respectively, and a plurality of retention structures, the first tooth socket is provided with a first buccal surface and a first lingual surface which are oppositely arranged, and the second tooth socket is provided with a second buccal surface and a second lingual surface which are oppositely arranged; the retention structures are connected with the first buccal surface and the second buccal surface, or the retention structures are connected with the first lingual surface and the second lingual surface, the dental assembly comprises a first half jaw and a second half jaw which are positioned on two sides of a dental midline, and the plurality of retention structures comprise a first retention structure and a second retention structure which are positioned on the first half jaw. The first retention structure is closer to the tooth midline than the second retention structure. According to the invention, relative rotation and relative movement of the first tooth socket and the second tooth socket are limited through cooperation of the first retention structure and the second retention structure, so that the relative position between the first tooth socket and the second tooth socket can be effectively controlled, and the correction effect can be effectively improved, such as in an application scene of jaw position adjustment.

The present invention discloses a full-mouth implant opener, comprising: a maxillary support groove, a mandibular support groove, a first connection part and a second connection part; the first end of the maxillary support groove is connected to the first end of the mandibular support groove through the first connection part; the second end of the maxillary support groove is connected to the second end of the mandibular support groove through the second connection part; when in use, the maxillary support groove is sleeved on the maxillary alveolar ridge, abuts against the maxillary alveolar ridge, and exposes the alveolar ridge top of the maxillary alveolar ridge; the mandibular support groove is sleeved on the mandibular alveolar ridge, abuts against the mandibular alveolar ridge, and exposes the alveolar ridge top of the mandibular alveolar ridge. The opener provided by the present invention fits with the corresponding soft tissue in the oral cavity and avoids the surgical area, and the soft tissue is opened away from the surgical area, and the surgical field of view will not be blocked, which greatly improves the convenience of the operation.

Disclosed in the present invention is a dental system, comprising two appliances corresponding to an N-th orthodontic treatment step and an (N+M)-th orthodontic treatment step, wherein N and M are both positive integers; each appliance comprises an occlusal plate structure connected to maxillary and mandibular arches; each occlusal plate structure comprises first portions arranged corresponding to maxillary teeth, and second portions arranged corresponding to mandibular teeth; when the occlusal plate structure is connected to the maxillary and mandibular arches, the first portions and the second portions abut against each other to form abutting surfaces; the two occlusal plate structures corresponding to the two appliances have different parameters; and the different parameters are configured to generate different acting forces and / or different torque when the occlusal plate structures are connected to the maxillary and mandibular arches. Different parameters of the present invention can enable two appliances to generate different acting forces and / or different torque, thereby satisfying orthodontic treatment requirements of different orthodontic treatment steps by means of the different acting forces and / or different torque.

According to the design and manufacturing method of the orthodontic postoperative intermaxillary traction device based on the invisible orthodontic device, CT scanning is conducted on a patient, craniomaxillofacial and tooth three-dimensional data are collected, and preparation is made for obtaining three-dimensional virtual tooth data of the patient through manufacturing of an anhydrite tooth model; data of a patient are imported into cranio-maxillofacial surgical operation planning software, a cranio-jaw virtual model of the patient is established, a manufactured anhydrite tooth model is subjected to three-dimensional scanning, dentition data are obtained, a maxillary tooth bone section is moved to a target position through a simulated operation on the virtual cranio-jaw model, and the patient is subjected to cranio-maxillofacial surgical operation planning software. And then determining a target position of a mandibular tooth bone section based on a final occlusion relationship, importing dentition data of the patient into three-dimensional virtual design software, performing Boolean operation, and manufacturing a traction device by using a three-dimensional printing technology. According to the device, assistance of methods such as a dental arch splint and an intermaxillary traction nail is not needed, intermaxillary elastic traction can be carried out after an invisible orthodontic patient completes a orthodontic operation, and it is ensured that the occlusion relation after the orthodontic operation meets the requirement.

To provide an improved mouthguard A that allows users to drink water without using their hands while wearing it in their mouth, even while riding a motorcycle, bicycle, or other vehicle. [Solution] The present invention provides an improved mouthguard that allows drinking water to be performed while being worn in the mouth of a person, comprising a mouthguard body 1 that abuts against the upper jaw teeth and a water passage 2 attached to the mouthguard body 1, through which water can be supplied to the mouth, the mouthguard body 1 has an inner wall portion 13 that encloses and holds the upper jaw teeth, an outer wall portion 14 and a bottom wall portion 15 that connects the two, the outer wall portion 14 has a bulging portion 14A that bulges outward and is provided in the bulging portion 14A for insertion of the water passage 2, and the tip portion 22 of the water passage 2 is housed in the bulging portion 14A, the improved mouthguard A.

The utility model discloses a rubber barrier perforated plate, which belongs to the technical field of medical equipment and comprises a transparent plate body, a positioning area is arranged on the transparent plate body, the positioning area is consistent with a rubber barrier in size and shape, a cross center line is arranged in the positioning area, and the positioning area is divided into four quadrants by taking the cross center line as an xy coordinate system. A right upper jaw tooth position hole and a left upper jaw tooth position hole are formed in the first quadrant and the fourth quadrant respectively, and a right lower jaw tooth position hole and a left lower jaw tooth position hole are formed in the second quadrant and the third quadrant respectively. Due to the fact that the plate body is transparent, finding of corresponding tooth position holes and adjustment of the relative position of the punching plate and the rubber barrier are very convenient, meanwhile, punching can be conducted on the rubber barrier on the corresponding tooth position holes in the transparent plate body in combination with the punching technology, the influence of the thickness, the color and the transparency of the rubber barrier is avoided, and the punching effect is good. And the influence of ambient light is relatively small.

A dental appliance is disclosed. The appliance may include an arcuate base shaped to extend along at least a portion of an upper dental arch of a patient and match with a custom fit at least certain maxillary teeth of the patient. The appliance may further include a tongue-retention feature. The tongue-retention feature may connect to the arcuate base and comprise a palatal portion and a sublingual portion. The sublingual portion may cooperate with the palatal portion to form a cavity shaped to receive an anterior portion of a tongue of the patient therewithin. The palatal portion may have an exterior surface custom-formed to match at least a portion of a hard palate of the patient.

A clear aligner, comprising a shell-shaped body and a tongue muscle training member, wherein the shell-shaped body has a cavity for accommodating a plurality of maxillary teeth; and the tongue muscle training member is connected to the lingual gingival margin of the shell-shaped body or adjacent to the gingival margin, and has a sensing cavity and a sensing port exposing the sensing cavity, the sensing port being located on the lingual side of the tongue muscle training member. A user trains tongue muscles by touching the sensing port with their tongue and partially extending their tongue into the sensing cavity, such that a relatively good sense of experience and enjoyment are provided, the enthusiasm of the user for training can be stimulated, and a tongue muscle training effect is improved.

The present invention discloses an intermaxillary traction tooth surface fixing device, its digital manufacturing method and application. The fixing device includes an upper jaw tooth surface fixing component applicable to the upper jaw and a lower jaw tooth surface fixing component applicable to the lower jaw. The upper jaw tooth surface fixing component includes a tooth surface bonding attachment A bonded to the labial tooth surfaces of each tooth in the upper jaw, a connecting rod A connecting two adjacent tooth surface bonding attachments A, and further includes a traction hook A extending towards the gingival side and arranged on the connecting rod A. The lower jaw tooth surface fixing component includes a tooth surface bonding attachment B bonded to the labial tooth surfaces of each tooth in the lower jaw, a connecting rod B connecting two adjacent tooth surface bonding attachments B, and further includes a traction hook B extending towards the gingival side and arranged on the connecting rod B.

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

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 invention relates to the field of toothbrushes, and more particularly to a toothbrush (10) comprising a toothbrush head (12) made of three treatment structures (14, 16, 17) adapted to simultaneously treat opposite maxillary and mandibular teeth, wherein two of the treatment structures (14, 16) are substantially opposed to each other along the same plane and the third treatment structure (17) is placed between the previous two opposing treatment structures (14, 16).

1. Name of the design product: tooth arrangement tool plate. 2. Use of the design product: mainly used for the plane plate of maxillary teeth and mandibular teeth alignment. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

According to one embodiment, disclosed are a method, device, and recording medium for providing border lines. The method for providing border lines is characterized in that: scan data for the oral cavity is obtained; the scan data is determined on the basis of outlines illustrating the uppermost end of the upper jaw gum or the lowermost end of the lower jaw gum; border lines used for oral denture modeling are determined using the scan data; the border lines are updated on the basis of points to be updated on the border lines; and the updated border lines are displayed.

The present invention relates to an artificial intelligence-based dentition matching and jaw bone segmentation method, system and medium, including the following steps: S1, constructing a dentition matching algorithm under constrained movement to obtain an objective function for matching a digital dentition model with the dentition of a skull model; S2, minimizing the objective function to obtain an automatic matching method for the upper and lower dentitions with the dentition of the skull model, and the translation and rotation methods of the upper and lower dentitions. The jaw bone segmentation method includes: using this dentition matching method to replace the tooth part on the three-dimensional skull model with the upper and lower dentitions of the digital dentition model; then automatically segmenting the condyles of the three-dimensional skull model to complete the automatic segmentation of the jaw bone of the three-dimensional skull model. This application constructs an intelligent dentition matching method and jaw bone segmentation method for orthognathic surgery, which can automatically complete the important links of jaw bone segmentation and dentition matching in digital orthognathic surgery design by computer, so as to reduce the workload of clinicians and improve work efficiency.

This invention belongs to the field of anti-snoring technology, specifically a silicone anti-snoring device. It comprises an integrally molded silicone body consisting of an occlusal pad, an upper labial shield, a tongue induction screen, and a lower labial shield. Both ends of the upper and lower labial shields extend to the end face of the occlusal pad via buccal screens. A connecting portion exists between the occlusal pad and the tongue induction screen. This connecting portion is smooth and without protrusions in the Z-axis, and the corner surface of the occlusal pad away from the connecting portion is smooth. The smooth and non-protruding connecting portion in the Z-axis eliminates the palatal base of the maxillary teeth, making the tongue more easily lifted by the tongue induction screen. The tongue induction screen pushes the tongue from the floor of the mouth to the palatal side of the upper teeth, opening the airway and achieving buccal and lingual muscle balance. Patients can choose one, two, or three stages of mandibular protraction treatment based on their snoring symptom relief and temporomandibular joint symptoms. By protruding the mandible, the airway is further opened.