10 results about "Upper anterior" patented technology

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.

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.

The invention discloses a dental handpiece for treating upper anterior teeth, and the dental handpiece for treating the upper anterior teeth comprises a machine body, a machine head, a machine needle and a transmission mechanism. The machine head comprises a machine head shell, a clamping device and a rotary unlocking machine matched with the clamping device, and the clamping device is connected with the output end of the transmission mechanism. The rotary unlocking mechanism is provided with a rotary sleeve rotationally arranged outside the machine head, the rotary unlocking mechanism is in linkage with the clamping device, and the machine needle can be locked or released by rotating the rotary sleeve. The dental handpiece disclosed by the invention has the advantages that the dental handpiece is convenient to process and maintain due to modular design; the whole machine accords with ergonomics, so that the dental handpiece can be stably and comfortably held for treatment; the clamping device and the rotary unlocking mechanism are novel and unique in structure, and the bur is convenient and fast to disassemble and assemble; the clamping device can be used for effectively and stably clamping and positioning the bur, so that the high-torque output requirement of the dental handpiece is met; the output torsional force is large, and the drilling capability of the dental handpiece is improved.

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 an orthodontic appliance capable of rapidly closing interdentition dispersed gaps. The orthodontic appliance comprises a retention structure, a stress dispersion connecting structure and an elastic lingual arch, the retention structure is used for retaining rear teeth on the two sides of the dentition; the stress dispersion connecting structure is located on the lip side and used for generating thrust towards the tongue side on the anterior teeth, and the two ends of the stress dispersion connecting structure are connected with the retention structures on the two sides respectively; the elastic lingual arch is located on the lingual side and used for generating contraction force to achieve the arch contraction effect, and the two ends of the elastic lingual arch are connected with the fixing structures on the two sides respectively. The invention also discloses an integrated manufacturing method of the orthodontic appliance capable of rapidly closing the interstitial space between dentitions. The combined structure of the stress dispersion structure and the elastic lingual arch is adopted, when the combined structure is applied to the lower jaw, lingual inclination can be rapidly conducted on anterior teeth of the lower jaw, meanwhile, dispersion gaps are rapidly closed, and when the combined structure is applied to the upper jaw, upper anterior teeth can be rapidly retracted, and the dispersion gaps are rapidly closed.

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 invention discloses a low-stimulation anti-falling upper anterior tooth fixed parallel guide CAD / CAM customization method, which comprises the following steps of: obtaining upper anterior tooth lingual side local scanning data and occlusion records, and constructing a virtual tooth jaw model; designing a guide plate body completely attached to the tooth surface and a positioning cap and a connecting rod integrated with the guide plate body on the model; the integrated component is subjected to 3D printing through light-cured resin; the connecting rod and the positioning cap are removed by grinding after the connecting rod is directly placed in place and adhered to a dental surface clinically; according to the method, only the upper anterior tooth lingual key local morphology data and the occlusion height information need to be acquired through limitation, and the step of acquiring and processing complete three-dimensional data of the whole tooth in a traditional digital scheme is abandoned, so that the data acquisition and preprocessing process is greatly simplified, the data storage and calculation load is reduced, and the data processing efficiency is improved. Therefore, the starting point of the whole customization process is more efficient, and the problem of process complexity caused by wide data requirements is solved.

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.