96 results about "Anterior tooth" patented technology

The invention provides an auxiliary tooth separation method and system for minimally invasive tooth extraction, and relates to the technical field of digital surgery in stomatology. According to the method, the oral anatomy three-dimensional electronic model is obtained by performing deep learning segmentation and three-dimensional reconstruction on the preoperative CBCT image, and the real-time spatial position and posture of the jaw bone are updated in combination with laser oral scanning of the preoperative anterior tooth area. On the basis, a three-dimensional simulation model is constructed, tooth division cutting path planning, interference judgment and dislocation space analysis are completed, precise tooth division cutting is implemented by a three-way mechanical arm along the planned path, and the safe and controllable automatic tooth extraction and tooth division process is completed in cooperation with water cooling and real-time track correction.

The utility model discloses a dental component which comprises a first matching structure arranged corresponding to the tongue side or the cutting end of anterior teeth of an upper jaw and a second matching structure arranged corresponding to the lip side or the cutting end of anterior teeth of a lower jaw, and the first matching structure and the second matching structure are configured as follows: when the upper jaw and the lower jaw are occluded, the first matching structure is matched with the second matching structure; the first matching structure and the second matching structure abut against each other to generate force or moment, and the force or moment at least comprises lip tilting force corresponding to the anterior teeth of the upper jaw or lip tilting moment corresponding to the anterior teeth of the upper jaw. In the correction process, at least the maxillary anterior teeth generate lip inclination, firstly, the relative positions of the maxillary anterior teeth and the alveolar bone can be gradually adjusted, so that the maxillary anterior teeth are suitable for being pressed down; on the second aspect, the gap between the upper jaw anterior teeth and the lower jaw anterior teeth can be enlarged so that the first matching structure and the second matching structure can be conveniently installed and designed; and thirdly, the anterior teeth of the upper jaw have certain inclination, so that the anterior teeth of the lower jaw can interact with the anterior teeth of the lower jaw conveniently, and the anterior teeth can be depressed, adducted and the like conveniently.

The invention provides a mechanical arm path planning method and device for anterior tooth preparation, relates to the technical field of tooth preparation path planning, and aims to realize precise tooth preparation operation in a complex oral environment. The method comprises the following steps: constructing an anterior tooth preparation digital model according to oral scanning data of a patient, the anterior tooth preparation digital model representing a target form of a repaired tooth; according to the anterior tooth preparation digital model, a bur motion coordinate system is constructed, and the bur motion coordinate system is used for providing space origin reference for tooth preparation path generation; by taking the geometric parameters of the machine needle and the anatomy of the oral cavity of the patient as constraints and taking the anterior tooth preparation digital model as a starting point, reversely calculating a tooth preparation path of cutting from an original tooth body of an anterior tooth to the anterior tooth preparation digital model under the machine needle motion coordinate system; and converting the tooth preparation path into a mechanical arm control instruction to control a mechanical arm to carry out tooth preparation operation on the original anterior tooth body in the oral cavity of the patient.

The invention relates to the technical field of medical instruments, and provides oral cavity expansion equipment for child oral cavity examination, which comprises a seat, a backrest of the seat is a telescopic backrest, two sides of the backrest are provided with second limiting assemblies, one side of the seat is provided with a telescopic bracket, one side of the output end of the telescopic bracket is fixedly connected with a fixed rod, and the fixed rod is fixedly connected with a telescopic rod. The side, away from the telescopic support, of the fixing rod is rotationally connected with a fixing plate, and an expansion assembly is arranged on the fixing plate. The expansion assembly is ingenious in design, the oral cavity can be vertically expanded to facilitate examination of anterior teeth, rear alveolar teeth can be transversely expanded to meet different examination requirements, meanwhile, multiple limiting structures ensure that the expansion position is stable, manual fixing of medical staff is avoided, the examination efficiency is improved, and the medical risk is reduced. And a safe, comfortable and efficient solution is provided for oral examination of children.

The invention belongs to the technical field of medical instruments, and particularly relates to an invisible anterior tooth adduction correction device based on implant anchorage, which comprises a main body, two sides of the main body are fixedly connected with a pair of anchorage arms, one end, far away from the main body, of each anchorage arm is fixedly connected with a mounting part, and the edge of the main body is fixedly connected with a pair of fixing rings. The fixing ring is located between the pair of anchorage arms, a sliding groove is formed in the edge of the side, away from the fixing ring, of the body, a pair of sliding blocks are slidably connected to the inner side of the sliding groove, first hooks are fixedly connected to the sides, away from the fixing ring, of the sliding blocks, and a pair of second hooks are arranged on the two sides of the sliding groove. The anterior tooth adduction device has the beneficial effects that by arranging the main body, the anchorage arm, the anchorage nail and the fixing ring, the anterior tooth adduction device can be fixedly mounted in the palate skull of the oral cavity of a patient, and anchorage is provided for anterior tooth adduction of the patient, so that loss of anchorage is avoided, and accurate control on the anterior tooth adduction speed, direction and mode of the patient is realized.

The utility model relates to the technical field of medical equipment, and particularly discloses an anterior tooth area postoperative lip side skin inflation pressurization hemostasis device which comprises an inflation air bag, an air inlet pipe, a pressure measuring assembly and a hanging rope. An air inlet is formed in one side of the inflatable airbag, the air inlet pipe is connected with the air inlet, and the pressure measuring assembly is arranged on the air inlet pipe; the two ends of the hanging rope are connected with the two ends of the inflatable air bag respectively, and the hanging rope is provided with a length adjusting assembly. Through expansion of the inflatable air bag, the anterior tooth hemostat can be tightly attached to a postoperative wound in an anterior tooth area to form effective compression, so that bleeding is rapidly controlled, and the hemostasis efficiency is improved. Meanwhile, the pressure measuring assembly is arranged on the air inlet pipe, the pressure in the air bag can be monitored in real time, and it is ensured that the pressure is kept within a proper range.

The invention relates to the technical field of orthodontic medical instruments, in particular to a dentition tongue side stress application traction device, an anchorage nail of the device can be arranged on the upper jaw palatal side portion of the dentition tongue side, a traction hook can be fixed relative to anterior teeth and extends from the anterior teeth to the dentition tongue side, a guide rod penetrates through a directional catheter located on the dentition tongue side, and the directional catheter is connected with the traction hook. The draw bar is fixedly connected with the draw hook; according to the application, the anchorage nail is arranged on the palatal side part of the upper jaw bone on the dentition tongue side, and the influence of loosening or falling of the anchorage nail on the treatment efficiency is reduced by utilizing the advantage of compact bone in the area; meanwhile, the guide rod penetrates through the directional catheter and is fixedly connected with the traction hook, so that the orthodontic force is strictly applied along the extension direction of the guide rod, and the risk of accidental rotation or inclination of teeth can be reduced; the traction piece is connected with the traction hook and the anchorage nail or is connected with the traction hook and the rear teeth, no additional connecting device needs to be added, the traction piece can be effectively matched with the orthodontic appliance to correct the teeth, the operation process is simplified, and the treatment cost is reduced.

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 application discloses a segmented orthodontic appliance for vertical non-adjustment of anterior and posterior teeth, comprising an anterior tooth mouth body and a posterior tooth mouth body, the anterior tooth mouth body comprises a plurality of anterior tooth wrapping bodies, adjacent anterior tooth wrapping bodies are rigidly connected or connected through force arms, the posterior tooth mouth body comprises a plurality of posterior tooth wrapping bodies, adjacent anterior tooth wrapping bodies are rigidly connected or connected through force arms; the anterior tooth mouth body and the posterior tooth mouth body are rigidly connected or connected through force arms; the force arms are used for directional force on the anterior teeth and / or the posterior teeth, and / or the force arms are used for force on the buccal side and / or the lingual side; there are at least two force arms, and there are at least one anterior tooth wrapping body or at least one posterior tooth wrapping body between adjacent force arms. The application adds a specific stress interruption mechanical structure in the middle segment of the tooth arch of the invisible appliance, so that the force mode of the appliance is optimized, and the treatment efficiency of the vertical non-adjustment of the anterior and posterior teeth is improved.

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 molar mesial movement auxiliary device which comprises a main arch wire, a plurality of orthodontic brackets, an auxiliary arch wire, a ligature wire and an anchorage nail, the main arch wire penetrates through the orthodontic brackets and is fixed with the orthodontic brackets, two question mark hooks of the auxiliary arch wire are sleeved on the main arch wire, and the ligature wire is connected with the anchorage nail. The auxiliary arch wire is further provided with two small circles formed by bending, the small circle in the distal direction is rigidly connected to an anchorage nail planted on the alveolar bone through a fixing ligature wire, and the other small circle is free. According to the utility model, a stable rectangular structure can be formed, after force application, interference caused by lip and cheek movement or feeding is avoided, displacement is avoided, foreign body sensation is reduced, the bad effect of distal movement of anterior teeth and premolars can be avoided, friction force of tooth movement is not increased, and meanwhile, the structure is simple and convenient. And when the molars move forwards, the lip inclination acting force on the anterior teeth is also reduced.

The utility model relates to the technical field of orthodontic medical instruments, in particular to an invisible appliance with a jaw pad, which comprises an upper jaw appliance and a lower jaw appliance which are used for accommodating teeth, the jaw pad is arranged in a rear tooth area of the upper jaw appliance, the jaw pad is of a hollow structure protruding towards the opposite jaw direction, and the lower jaw pad is of a hollow structure protruding towards the opposite jaw direction. The jaw pad is matched with the occlusal surface of the occlusal teeth in an opposite occlusal manner; the width of the side, close to the anterior tooth end, of the jaw pad is smaller than that of the side, close to the posterior tooth end, of the jaw pad, the two side edges, in the dentition direction, of the jaw pad are each provided with a plurality of first inwards-concave structures, and the first inwards-concave structures are symmetrically arranged on the two sides of the jaw pad. According to the invisible orthodontic appliance disclosed by the utility model, the first concave structures are arranged on the two sides of the jaw pad along the arrangement direction of dentition to form reinforcing structures, so that the structural strength can be effectively enhanced, and meanwhile, the second concave structures are respectively arranged at the two ends of the jaw pad, so that the strength of the jaw pad is further improved, the occlusion strength of a tooth socket is improved, and the orthodontic effect can be effectively improved.

This invention relates to a mandibular premolar guiding device for reducing labial inclination of the lower anterior teeth. The device includes an upper molar band, a lower molar band, a premolar guide, a push plate, and an implant. The upper and lower molar bands are fixed to the upper and lower molars, respectively. The premolar guide is located on the buccal side of the upper molar band, and the push plate is fixed on the buccal side of the lower molar band. The front end of the premolar guide bends downward to form a pusher portion. During occlusion, the pusher portion pushes against the push plate to achieve mandibular premolar guidance. The buccal side of the lower molar band also has a buccal tube. The lower incisor has a bracket. The buccal tube and the bracket are connected by a lower archwire. The lower archwire has a lower traction hook corresponding to the lower incisor. The implant is located between the lower molar and the lower premolar. The implant and the lower traction hook are connected by a traction member. This device can simultaneously achieve mandibular premolar guidance and reduce labial inclination of the lower anterior teeth.

[Problem] To provide a novel technology that can be used to assist treatment such as orthodontic treatment. [Solution] This dental treatment assistance system comprises: a measurement point information acquisition unit that acquires measurement point information indicating a measurement point for orthodontic diagnosis on the basis of an image obtainable by X-ray imaging of the head of a subject, a magnetic resonance image of the head of the subject, or an image obtainable by computer tomographic imaging of the head of the subject; a position information acquisition unit that, on the basis of the head measurement point information, acquires position information during imaging indicating the positions of a front tooth, a molar or the jawbone of the subject during imaging; a planned position information acquisition unit that acquires planned position information indicating the position when it is assumed that the tooth or the jawbone is moved; and a movement information generation unit that, on the basis of the measurement point information, the position information during imaging, and the planned position information, generates movement information indicating a movement amount from the position before movement when it is assumed that the front tooth, the molar, or the jawbone is moved.

The utility model provides a non-invasive anterior tooth depressing correction device for realizing anterior tooth adduction, which is used for applying depressing force downwards through deformation force of the device so as to restrain vertical extension of anterior teeth, and comprises a frame, a first end fixing buckle, a second end fixing buckle, a first elastic ring, a second elastic ring and a fixing part, the first end fixing buckle and the second end fixing buckle are connected to the two ends of the frame respectively and used for being fixed to an orthodontic arch wire. The fixing part is arranged in the middle of the frame, the first elastic ring is arranged on the first side of the frame and located between the first end fixing buckle and the fixing part, and the second elastic ring is arranged on the second side of the frame and located between the second end fixing buckle and the fixing part.

The present application discloses a dental assembly, comprising a first matching structure arranged corresponding to the lingual side or incisal end of the upper anterior teeth and a second matching structure arranged corresponding to the labial side or incisal end of the lower anterior teeth, the first matching structure and the second matching structure are configured to abut each other to generate a force or a torque when the upper and lower jaws are occluded, the force or the torque at least includes a labial tipping force corresponding to the upper anterior teeth or a labial tipping torque corresponding to the upper anterior teeth. The present application at least makes the upper anterior teeth labially inclined during the treatment process, in the first aspect, the relative position of the upper anterior teeth and the alveolar bone can be adjusted step by step so that the upper anterior teeth are suitable for the operation of lowering; in the second aspect, the gap between the upper anterior teeth and the lower anterior teeth can be increased to facilitate the installation design of the first matching structure and the second matching structure; in the third aspect, the upper anterior teeth have a certain inclination, which can facilitate the interaction with the lower anterior teeth and facilitate the lowering and inward retraction of the anterior teeth.

The invention discloses an orthodontic device capable of continuously converting masticatory force into anterior tooth adduction force and a using method thereof.The orthodontic device comprises an upper jaw part used for converting masticatory force in the vertical direction into horizontal tension for adduction of anterior teeth, and the upper jaw part is installed on the buccal side of an upper jaw molar area of a patient; one end of the traction accessory is mounted on the upper jaw part, and the other end of the traction accessory is connected to the anterior tooth appliance; and the lower jaw part is fixed on the cheek side of the lower jaw molar area. The masticatory force is used as sustainable output force, the masticatory pressure in the vertical direction is converted into adduction anterior tooth force in the horizontal direction, and meanwhile, molar anchorage protection can be enhanced.

The invention discloses an oral implant bone splitting chisel and a use method, the chisel comprises a holding part, a buffer area and a working head part which are distributed in a T-shaped structure; the holding part is a rod body and is provided with an anti-slip structure on the surface, and the axis is vertically and fixedly connected with the axis of the buffer area; the working head comprises a guide face and a guide blade, the splitting blade is of a wedge-shaped structure, a cutting edge is arc-shaped, arc-shaped transition faces are arranged on the two sides of the cutting edge, fillet transition is arranged at the tip end, the thickness of the cutting edge is gradually increased from the tip end to the root portion, and the holding portion and the buffer area are of an integral or detachable structure. The holding stability is improved through the T-shaped structure, bone tissue friction and damage are reduced through the design of the arc-shaped cutting edges and the round corners, the detachable working head can meet the requirements of different operation areas (a straight neck is used for an anterior tooth area, and a bent neck is used for a posterior tooth area), and multi-direction precise bone splitting is achieved; the use method is adaptive to different alveolar bone forms and bone cortex thicknesses, the operation steps are standard and controllable, the cleavage range is effectively controlled, the operation risk is reduced, the safety and convenience of the implant surgery are improved, and the device is suitable for various oral implant bone cleavage surgeries.

The invention relates to the technical field of orthodontics, in particular to an appliance suitable for low-angle Angle class II classification 2 patients. Comprising a base plate covering a palatal soft tissue area of an anterior tooth area of an upper jaw, a built-in spiral arch expander, a long arrow clamp and an adjacent hook which are arranged in a posterior tooth area of the upper jaw, a hyperbolic labial arch which is arranged on the labial side of the anterior tooth and of which the tail end is fixed in the base plate, and an elastic supporting piece arranged on the palatal side, one end of the elastic supporting piece is a fixed end, the other end is a free end, the fixed end is inserted and fixed in the base plate, and the free end points to and lightly touches the palate side of the upper anterior teeth; an anatomical flat guide face matched with lower teeth is arranged at the position, making contact with the lower teeth, of the base plate, and a guide groove used for guiding the lower front teeth to be limited front and back is formed in the lip side of the anatomical flat guide face. The lip side of the base support is further provided with an incisor tooth cap used for guiding left and right retention of lower jaw incisor teeth, and the guiding groove and the incisor tooth cap are matched with the anatomical form of a lower tooth body.

To provide an improved crown structure which has high discharge efficiency, allows visual confirmation of the adhesive filling state, ensures the structural strength of the crown, prevents the accumulation of food residues and suppresses intraoral infection, does not require the re-removal of a sealing member after surgery, is adaptable to various tooth positions such as anterior teeth, premolars and molars, and can improve the effectiveness and safety of dental prostheses. [Solution] This invention relates to an improved crown structure in the field of dental prosthetics, and includes a crown body 1 that conforms to the shape of an abutment tooth. The crown body is formed with drain holes that penetrate from the bonding surface 3 to the outer surface 4, and the drain holes have a gradually changing diameter structure. The drain holes have a guide groove on their inner periphery, a conical flared opening on the bonding surface side, and an annular reinforcing rib on the outer surface side. The crown also includes a biodegradable sealing member.

The invention discloses a sectional type appliance for rapidly correcting anterior tooth reverse occlusal, which comprises an upper appliance and a lower appliance, each appliance comprises a reverse occlusal tooth socket for covering reverse occlusal dislocation teeth and other dentition tooth sockets for covering other teeth, and the reverse occlusal tooth socket is connected with the other dentition tooth sockets through an elastic structure. When the orthodontic device is used for correcting seriously staggered teeth, tongue-side thrust and lip-side tension are generated on the staggered teeth due to the existence of the elastic connecting structure after the orthodontic device is in place; in addition, due to the existence of the elastic connecting structure, the appliance generates a force for expanding a gap after being in place, so that the reverse inhale teeth are helped to obtain a tooth movement space to realize rapid movement; in addition, an occlusal force inducing inclined plane is arranged at the contact part of the appliance body part and the involution teeth, and the occlusal force can be utilized to correct the involution teeth through the inclined plane, so that the treatment and correction time of individual tooth involution is shortened.

The utility model discloses a transfer device for an anterior tooth lingual wire, relates to the technical field of medical instruments, and can solve the problems that a special transfer device for a lingual wire retainer is lacked at present, and the lingual wire retainer is difficult to quickly and accurately transfer to a set position in the oral cavity of a patient. The anterior tooth lingual wire transferring device comprises a first grip, a second grip, a lip side fixing arm and a lingual wire transferring arm, and the first grip is fixedly connected with the lingual wire transferring arm; the second grip is fixedly connected with the lip side fixing arm; an elastic reset structure is further arranged between the lip side fixing arm and the lingual side wire transfer arm, the lip side fixing arm is fixedly connected with the elastic reset structure, and the lingual side wire transfer arm is fixedly connected with the other side of the elastic reset structure. A first included angle is formed between the first grip and the second grip, and a second included angle is formed between the lip side fixing arm and the lingual wire transfer arm; the tongue side wire transferring device further comprises an adhering body which is installed on the tongue side wire transferring arm and used for adhering and transferring the tongue side wire body.

The utility model provides an appliance for correcting Angler class III malocclusion. Comprising an upper jaw casting type expansion device, a lower jaw casting type lip shield and an elastic connecting piece, and the upper jaw casting type expansion device comprises a spiral expander, a front palatal bar, a rear palatal bar, a palatal side connecting rod, an anterior tooth separated palatal arch, a cheek side traction hook, an upper jaw first premolar casting belt ring and an upper jaw first molar casting belt ring; a cheek tube is arranged on the upper jaw first molar casting belt ring; the lower jaw casting type lip shield comprises a labial arch, a lingual arch and a lower jaw first molar casting belt ring, and a lip shield traction hook is arranged at the front part of the labial arch; the elastic rubber ring is used for traction between the cheek tube and the lip shield traction hook of the appliance, and is matched with the rapid expansion and contraction of the maxillary to achieve the effect of correcting III-type malocclusion, so that a patient can wear the appliance all day long, the development of the maxillary bone is promoted, the correction period is accelerated, and the appliance does not need to depend on a mask tractor outside the mouth.

The utility model discloses an anterior tooth forming clamp which is provided with a first direction, the anterior tooth forming clamp comprises two clamping arms, the two clamping arms are arranged in a crossed mode, the middle portions of the two clamping arms are hinged, the hinged axis of the two clamping arms is parallel to the first direction, and the two ends of each clamping arm are arranged to be an operation end and a clamping end respectively; the clamping end is provided with a forming sheet abutting structure; and the clamping and maintaining elastic piece is arranged between the two clamping arms, and the clamping and maintaining elastic piece enables the two clamping ends to be close to each other. When the anterior tooth forming clamp is actually used, a universal forming sheet can be arranged on the tongue side, and a stable filling barrier can be formed through clamping of the anterior tooth forming clamp so as to meet the filling requirement of the tongue side.

This invention discloses a gingival protection device for intermaxillary traction after orthognathic surgery, along with its manufacturing and usage methods. The device is a gingival protection bracket worn on the maxillary dentition, comprising a labial / buccal cover, a palatal cover, a blocking portion, and a connecting bridge. The labial / buccal cover conforms to the highest point of the tooth crown, while the palatal cover conforms to the entire palatal surface of the tooth crown, positioned between the intermaxillary traction rubber band and the gingival soft tissue. The blocking portion forms a protruding structure along the dentition direction on the labial side of the anterior teeth, mechanically limiting the intermaxillary traction rubber band during intermaxillary traction. The connecting bridge connects the labial / buccal cover and the palatal cover together in the posterior molar region on both sides. This device effectively blocks the direct action of the traction rubber band on the gingival soft tissue without affecting postoperative occlusal adjustment, improving posterior traction and occlusal stability and comfort, and aiding in rapid patient recovery. Furthermore, it balances wearing stability with the convenience of patient self-disposal.

The application relates to the technical field of oral medicine, and discloses an orthodontic micro-implant AI-MR navigation and mark clamp registration system, which comprises the following modules: a data fusion module, which collects CBCT data and intraoral scanning data, and uses an image fusion algorithm to construct a three-dimensional digital dental model; an intelligent path planning module, which analyzes tooth root and alveolar bone morphology by using an AI algorithm, and plans an optimal implantation path; a registration and virtual-real registration module, which realizes virtual-real registration by clamping a registration mark clamp or other registration anchor point in the incisal edge area of anterior teeth, constructs an MR space registration post-model, and maps the optimal implantation path to a real coordinate system to obtain a virtual path; and an intraoperative navigation module, which tracks real-time position changes of an MR head-mounted device and updates a virtual path superposition position, and performs navigation guidance in the whole implantation process. The application scheme can improve positioning accuracy, operation visibility and system adaptability in the implantation process of an orthodontic micro-implant.

The orthodontic appliance is characterized in that a stress dispersion elastic structure is arranged on the tongue side of the orthodontic appliance, and the stress dispersion elastic structure is in an elastic compression state before being in position and generates lip inclination and expansion force on the anterior teeth after being in position. The lingual stress dispersion elastic structure adopted by the invention can rapidly incline anterior teeth, is suitable for early intervention of class III malocclusion deformity when being applied to the upper jaw, is suitable for treatment of a patient with anterior teeth of the lower jaw inclining inwards when being applied to the lower jaw, and improves the correction efficiency.

The invention belongs to the technical field of orthodontic medical instruments, and particularly relates to a miniature tubular anterior tooth orthodontic bracket and an orthodontic method thereof.The bracket body is of a hollow circular tubular structure, the tooth attaching end is of a continuous smooth cylindrical surface design and is in linear contact fit with the tooth surface, and the protruding height after adhesion is smaller than or equal to 2 mm; the roughness Ra of the inner wall of the internal force application channel is 0.15-0.25 mu m; the main body is formed by integral compression molding of a medical composite material containing bismuth oxide; the technical prejudice that bonding is unstable and non-metallic materials cannot be developed due to line contact is broken through, and the excellent performance that the X-ray development definition is greatly improved, the shear bonding strength is 18.5 + / -1.2 MPa, the hardness retention rate is larger than or equal to 90% after artificial saliva soaking for 180 days, and the mucous membrane compression pain occurrence rate is reduced is achieved; the single bracket can independently complete the anterior tooth local deformity correction function without being matched with a full-mouth bracket system, the anterior tooth gap closing period is averagely shortened, and the social concealment, the clinical operation efficiency and the patient comfort are remarkably improved.

The utility model discloses a kind of improved mandibular protrusion appliance, it includes the upper dental brace (1) of sleeve fixed on maxillary plate and the lower dental brace (2) of sleeve fixed on mandibular plate, the front side welding of the upper dental brace (1) has upper traction hook (3), the rear side welding of the lower dental brace (2) has lower traction hook (4), the upper traction hook (3) and lower traction hook (4) are mutually traction by elastic rubber band (5) between, the middle part of the upper dental brace (1) is provided with an arch expander (6), the bottom of the upper dental brace (1) is provided with upper inclined plane (7).The utility model is easy to adjust and grind, can be adjusted according to replacement tooth condition;Arch expander is arranged in the upper dental brace, and anterior teeth are retracted;Mandible can be protruded by the traction of mouth outer bow and head cap, realize counterclockwise rotation jaw plane, carry out good vertical control, improve face shape better.

This invention provides a dental treatment support system, comprising: a measurement point information acquisition unit that acquires measurement point information representing measurement points for orthodontic diagnosis based on images obtained from X-ray imaging of a subject's head, magnetic resonance imaging of a subject's head, or computed tomography imaging of a subject's head; a position information acquisition unit that acquires imaging position information representing the position of the subject's anterior teeth, molars, or jawbone at the time of imaging based on the head measurement point information; a planning position information acquisition unit that acquires planning position information representing the planned position of the teeth or jawbone to be moved; and a movement information generation unit that generates movement information representing the amount of movement of the planned anterior teeth, molars, or jawbone to be moved from the position before movement, based on the measurement point information, the imaging position information, and the planning position information. This invention provides a more efficient and effective process in orthodontic treatment.