20 results about "Lower anterior" patented technology

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.

A method for digitally designing a denture for a patient, where the denture includes a plurality of denture teeth, where designing the denture includes transforming denture teeth of the denture, wherein the method includes obtaining a 3D scan of the upper jaw and lower jaw of the patient; obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion; digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth; digitally grouping the denture teeth in four groups, the four groups includes an upper anterior group, a lower anterior group, a left posterior group, and a right posterior group; and digitally arranging the upper anterior group first, the left and right posterior groups second and the lower anterior group third.

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.

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 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.

1. The name of the design product: orthodontic guide (triangular guide). 2. The use of the design product: used for assisting in lowering the upper and lower anterior teeth in invisible correction, stabilizing the jaw position, and resisting the passive lowering of posterior teeth caused by the high surface of the invisible corrector (occlusion). 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The auxiliary tool comprises an upper elastic supporting wire and a lower elastic supporting wire, the two ends of the upper elastic supporting wire and the two ends of the lower elastic supporting wire are fixedly connected, and the distance between the upper elastic supporting wire and the lower elastic supporting wire is gradually increased from the two ends to the middle. The upper elastic supporting wire is provided with an upper left pressure transmission piece and an upper right pressure transmission piece, and the lower elastic supporting wire is provided with a lower left pressure transmission piece and a lower right pressure transmission piece. According to the application, the upper pressure transmission piece is connected with a lingual side buckling hook or a lingual button on the cheek side of the existing upper jaw invisible tooth socket, and the lower pressure transmission piece is connected with a lingual side buckling hook or a lingual button on the cheek side of the existing lower jaw invisible tooth socket, so that the upper and lower invisible tooth sockets are pulled through the elastic restoring force action of the upper and lower elastic supporting wires; and then the upper and lower anterior teeth are triggered to be pressed to open anterior tooth occlusion.

This application discloses a novel device for simultaneously expanding and depressing the mandibular anterior teeth to relieve posterior tooth occlusion, relating to the field of orthodontic technology. It includes a maxillary cast-crown spiral expander, a metal mesh split-plane guide, and traction clips. The maxillary cast-crown spiral expander comprises a cast crown and a spiral expander. The cast crown is used to secure the first premolar, second premolar, and first molar, and the spiral expander is fixedly connected to the cast crown. The metal mesh split-plane guide conforms to the anterior part of the maxillary palate and is fixedly connected to the cast crown. The traction clips are located on the buccal side of the cast crown and are cross-pulled by elastic bands with traction clips located on the lingual side of the mandibular posterior teeth. This application simultaneously expands the arch to solve the problems of maxillary width and vertical misalignment, and utilizes the maxillary cast-crown spiral expander as a reinforcing anchorage to prevent elongation and rotation of the maxillary anchorage teeth. It matches the width of the maxilla and mandible while minimizing anchorage loss, thus relieving posterior tooth occlusion.

The utility model belongs to an improved orthodontic device suitable for double-jaw prolapse. The utility model aims to solve the problems that the anchorage control difficulty is high in the process of correcting the double-jaw proprocess, the side effect of molar loss anchorage is large, the correction of a patient is uncomfortable, and the operation is tedious. According to the technical key points, upper and lower central incisor teeth, lateral incisor teeth, canine teeth and first permanent molar teeth are bonded with a common transmission appliance bracket; the upper jaw round wire main arch wire and the lower jaw round wire main arch wire are in an arc shape, are provided with two small circles and two rear bends and penetrate through a groove in a bracket of an ordinary transmission appliance, and the upper anterior tooth adduction leather ring is connected with the small circles on the upper jaw round wire main arch wire and anchorage molar teeth of the lower jaw. And the lower anterior tooth adduction leather collar is connected with the small loop on the round wire main arch wire of the lower jaw and the anchorage molar of the upper jaw. The device is suitable for orthodontic treatment of double-jaw prolapse cases.

The invention discloses a segmented invisible appliance for efficiently arranging teeth and correcting bad tongue habits, which comprises an upper jaw correction body and a lower jaw correction body, both the upper jaw correction body and the lower jaw correction body are invisible appliances wrapping a complete dentition, and the front tooth parts of the upper jaw correction body and the lower jaw correction body are of dispersed structures; the maxillary correction body comprises a maxillary rear tooth part and a maxillary front tooth part, the maxillary front tooth part comprises a plurality of maxillary front tooth bodies, the adjacent maxillary front tooth bodies as well as the maxillary front tooth bodies and the maxillary rear tooth part at the two ends are connected through tongue bars, and the tongue bars are of U-shaped structures extending towards the lower jaw; a tongue spine is arranged on the tongue side of the lower jaw correction body, and the tongue spine is a protrusion facing the tongue side. According to the invention, not only can the bad tongue position be effectively limited by utilizing the tooth socket connecting structure and the correction efficiency of the tongue habit be obviously improved, but also the rapid alignment of the upper and lower anterior teeth can be realized by utilizing the elasticity of the tooth socket connecting structure, and the design requirements of the appliance under different tooth movement scenes can be met by adjusting the parameters of the connecting structure.

The utility model relates to the technical field of orthodontic instruments, and discloses a single-jaw appliance which comprises a single-jaw pad and an extraoral arch, and the single-jaw pad is provided with an upper anterior tooth orthodontic surface fitted with an upper anterior tooth invisible brace in appearance; or the single jaw pad is provided with a lower anterior tooth correction surface which is fitted with the appearance of the lower anterior tooth invisible tooth socket; the extra-oral bow is fixedly connected with the single jaw pad, the extra-oral bow extends leftwards and rightwards to form a left extra-oral bow and a right extra-oral bow respectively, the free ends of the left extra-oral bow and the right extra-oral bow are provided with hooks respectively, and the hooks are elastically connected with the head cap or the neck band respectively; the single-jaw appliance provided by the utility model solves the problem that anchorage control cannot be independently carried out only for upper anterior teeth or lower anterior teeth in the prior art.

The utility model discloses a dental jaw development guiding device, which belongs to the technical field of orthodontics and comprises a jaw pad, a lip-cheek wing and a tongue-palate wing. The lip-cheek wing is connected to the outer side of the jaw pad; the lingual palate wing is connected to the inner side of the jaw pad, the lip-cheek wing, the lingual palate wing and the jaw pad enclose to form a tooth groove for accommodating teeth, and the tooth groove comprises an upper tooth groove positioned above the jaw pad and a lower tooth groove positioned below the jaw pad; in the anterior tooth area, an upper anterior tooth guide groove is formed in one side, close to the lip-cheek wing, of the upper tooth groove, and a lower anterior tooth guide groove is formed in one side, close to the tongue-palate wing, of the lower tooth groove; and in the rear tooth area, the upper tooth groove deviates to the lip-cheek wing direction, and the lower tooth groove deviates to the tongue-palate wing direction. According to the utility model, the upper tooth groove and the lower tooth groove form a shallow-covering shallow-covering groove guiding shape which accords with a natural normal dental arch, so that the upper dental arch and the lower dental arch can be more favorably guided to establish a normal shallow-covering shallow-covering occlusion relationship in the wearing and training process.

The invention discloses an invisible orthodontic appliance with a removable and wearable lip shield. The invisible orthodontic appliance comprises an invisible tooth socket, a fixing button assembly of the invisible tooth socket and a lip shield assembly, the fixing button assembly is located on the edge of the gum of the canine tooth crown sleeve of the invisible tooth socket and comprises a connecting base and a fixing button. The connecting base is used for connecting the invisible tooth socket and the fixing button; the fixing button is fixedly connected with the invisible tooth socket through the connecting base; the lip stop assembly comprises a baffle and two fixing pipes of the baffle. The baffle is a rectangular sheet with four arc-shaped corners, and the length of the baffle is the sum of the widths of dental crowns of anterior teeth of an upper jaw or a lower jaw; the fixing pipe is a hollow cylinder matched with the fixing button, is located at the edge of the long edge of one side of the baffle and the corresponding position of the fixing button, and is used for being matched with the fixing button. The orthosis is convenient to take off and wear, suitable in size, high in comfort level and capable of improving the acceptability of a patient to the orthosis, and then the wearing time is prolonged.

1. The name of the design product: orthodontic flat guide (wing-shaped flat guide). 2. The use of the design product: used for assisting in lowering upper and lower anterior teeth in invisible correction, stabilizing jaw position, and resisting the passive lowering of posterior teeth caused by the raised bite surface of the invisible corrector. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This invention provides an occlusal guiding appliance for the mixed dentition period, an orthodontic system for guiding jawbone growth during the mixed dentition period, and a design method thereof. The occlusal guiding appliance for the mixed dentition period includes: a maxillary brace; a mandibular brace; and an intermaxillary connector located between the occlusal surfaces of the maxillary and mandibular braces in the posterior region. The maxillary and mandibular braces form a rigid, immovable integral structure at the occlusal surfaces via the intermaxillary connector. The intermaxillary connector has a preset thickness to open the occlusal contact between the upper and lower anterior teeth when worn, and is configured to lock the mandibular brace at a preset three-dimensional spatial position relative to the maxillary brace body. This allows the occlusal guiding appliance for the mixed dentition period to use the upper and lower dentitions as an integral interactive anchor when worn, converting occlusal force into orthodontic force acting on the dentition or jawbone.

The auxiliary guide plate assembly comprises a drilling guide plate, an osteotomy guide plate and a positioning guide plate, the top of the drilling guide plate is matched with the neck of a lower anterior tooth, the bottom of the drilling guide plate is matched with the lower edge of a mandible, and a fixing hole is formed in the drilling guide plate; the osteotomy guide plate is in an isosceles trapezoid shape, and the bottom edge of the osteotomy guide plate is matched with the lower edge of the mandible. The positioning guide plate is in a step shape and comprises an upper fixing part, a middle connecting part and a lower fixing part, and the two ends of the middle connecting part are connected with the upper fixing part and the lower fixing part respectively. Compared with the prior art, the utility model has the advantages that: the utility model is improved in a way that the lower incisor neck and the lower jawbone lower edge are taken as upper and lower edge fixed points, the drilling guide plate is prepared, the drilling position is firstly positioned, and then the osteotomy guide plate is fixed by two holes in the lower row to form the osteotomy island fixed on the lower jawbone surface instead of an osteotomy bridge in the prior art, so that the pendulum saw operation is convenient; and displacement is not easy to occur. The guide plate is shortened, so that the guide plate can be conveniently placed, and chin nerve injury is avoided.

This invention discloses a personalized maxillary and mandibular combined traction device for patients with skeletal Class II high-angle mandibular retrusion, belonging to the field of orthodontics. The device includes personalized maxillary / mandibular titanium plates, elastic traction components, and brackets. Two elastic traction components are included, one for intruding the maxillary molars and the other for tractioning the mandible forward. The maxillary and mandibular titanium plates are positioned at the center of jawbone resistance and are both 3D-printed integrated personalized designs. The elasticity of the traction components can be selected according to needs. This device simultaneously achieves mandibular advancement and maxillary molar intrusion, efficiently enabling early correction of skeletal Class II high-angle mandibular retrusion patients. It also avoids labial tipping of the lower anterior teeth and mesial tilting of the lower posterior teeth. The titanium plates conform to the jawbone, resulting in minimal intraoperative trauma, precise force control, and significantly improved treatment effectiveness and efficiency.

The invention discloses a design method of an invisible tooth socket combined inlay type jaw pad based on digital analysis, and relates to the technical field of tooth correction, and the design method comprises the following steps: acquiring three-dimensional space data of a lower jawbone and a skull base of a patient by adopting CT scanning equipment; analyzing the correct position of the mandible relative to the skull base through the acquired three-dimensional structure data; according to the reasonable position of the lower jaw, corresponding occlusion data are pushed out; pushing out an upper jaw plane according to the visual axis plane of the patient; calculating the condylar gradient to obtain an incision guide plane and determining the relative position of upper and lower anterior teeth; designing an occlusion high inlay accessory in combination with an invisible orthodontic appliance scheme; the system has the advantages of high precision, high comfort and good effect.

The invention provides an orthodontic tooth socket and an orthodontic kit. The orthodontic tooth socket comprises: an occlusal pad which extends in an arch shape and defines a plane tangent to two end parts in the extension direction of the occlusal pad as a rear end surface; the upper outer stopper is connected to the outer end of the occlusal pad and arranged on one side of the occlusal pad in a protruding mode, the upper outer stopper is provided with a first middle part used for being arranged on the lip side of the upper anterior teeth, and the first middle part is provided with a first inner wall face, and the vertical distance between the first inner wall face and the rear end face is a first distance L1; the lower outer stopper is connected to the outer end of the occlusal pad, is convexly arranged on one side, deviating from the upper outer stopper, of the occlusal pad, and is provided with a second middle part which is arranged on the lip side of lower anterior teeth, and the second middle part is provided with a second inner wall surface of which the vertical distance to the rear end surface is a second distance L2; the first distance L1 and the second distance L2 meet the condition that L1-L2 is greater than or equal to 4mm, so that the first inner wall surface is spaced from the upper anterior teeth, and the second inner wall surface is attached to the lower anterior teeth. According to the orthodontic tooth socket provided by the invention, a space required by forward movement of the lower jaw can be opened up, and a space basis is provided for subsequently guiding the lower jaw.

The utility model discloses a muscle agonist which comprises an upper jaw part and a lower jaw part, the upper jaw part and the lower jaw part are connected through a connecting part, and the upper jaw part, the lower jaw part and the connecting part are integrally manufactured. The upper jaw part at least wraps upper jaw anterior teeth, and the lower jaw part at least wraps a lower anterior tooth area. The fixing effect is stronger, the direct control on the movement of the upper anterior teeth is increased, and the limitation on the position of the lower jaw is stronger.