324results about "Arch wires" patented technology

The utility model relates to an orthodontic appliance and orthodontic system with traction locking function, which comprises a main body part and a cover body part, the main body part is provided with an arch wire groove, two sides of the arch wire groove form a first working wing and a second working wing, the main body part is provided with an assembling groove, and the assembling groove is used for detachably arranging a traction piece. The traction piece comprises a traction section, a connecting section and an adapting section which are connected in sequence, the adapting section is matched with the main body part, at least part of the connecting section is located in the assembling groove, a locking part is arranged on the connecting section in a protruding mode, and the locking part corresponds to the arch wire groove so as to be used for directly or indirectly limiting the arch wire. Therefore, the first orthodontic appliance does not move relative to the arch wire or moves a small distance, and the orthodontic efficiency can be improved. When the traction function does not need to be used, the whole traction piece can be detached from the assembling groove.

The invention discloses a draw hook for orthodontics, which belongs to the technical field of orthodontics and comprises a C-shaped mounting seat, a telescopic rod is fixed on the C-shaped mounting seat, and an anti-separation head is in threaded connection with a telescopic part of the telescopic rod. A first threaded hole is formed in the end face of the telescopic part, a second threaded hole is formed in the side wall of the telescopic part, and the anti-disengaging head can be in threaded connection with the first threaded hole or the second threaded hole. The C-shaped installation base can be well attached to a cylindrical installation foundation, the installation stability of the traction hook is further improved through the design of the anti-skid lines, and horizontal sliding or angle inclination of the traction hook is prevented; the first threaded hole is formed in the end face of the telescopic part, and the second threaded hole is formed in the side wall of the telescopic part, so that the direction of the anti-disengaging head can be changed, and the traction requirements of more correction devices are met.

An orthodontic appliance comprises a combination of pre-made and custom elements to provide treatment versatility with minimized costs and time delays. The appliance comprises a pre-made arch member segment elastically deformed to removably attach to coupling units bonded to teeth. The appliance also comprises a connection module to further elastically deform the arch member segment to generate motive forces or to just connect separate arch member segments in variations. In another embodiment the appliance comprises pre-made connectors having one end attached to a tooth and another end elastically deformed to attach to an arch component. The attachment to teeth comprises coupling units bonded to teeth in variations. The arch components, coupling units, and connection modules may be custom made to match surfaces inside the mouth. Motive forces may be generated by the elastic deformation of the arch member segment, connectors, arch component, or connection module to align teeth.

Orthodontic brackets are disclosed. An orthodontic bracket is formed such that the body and mesh portions are formed integrally in one piece, and the tooth-side mounting surface includes bonding elements that have an undercut angle to the mounting surface. The bonding elements can further include geometry to facilitate the spreading of bonding material. In some aspects, the bracket can also comprise elements for wire-mounting and aligner tray interaction. A system and methods of treatment are further disclosed. The bracket can be customized for an individual patient.

The invention discloses a removable and wearable self-locking double-arch-wire correction system, which belongs to a fixed correction system and can be applied to tongue side correction or lip side correction. The device comprises a first arch wire, a second arch wire, a lock cover, a bracket and a self-locking mechanism, the first arch wire and the second arch wire are connected to the upper faces of the lock covers in a penetrating mode at the same time, a lock cover containing cavity is formed in the upper face of the bracket, the self-locking mechanism can be an active self-locking mechanism or a passive self-locking mechanism, the lock covers are fixedly locked in the bracket through the self-locking mechanism, and the first arch wire and the second arch wire are not in contact with the bracket. According to the invention, the problem of inaccurate correction force expression caused by the fact that the arch wire needs to provide clamping force is solved, and the problem of clearance angle caused by untight matching of the arch wire and the bracket is also avoided, so that arch wire data can be completely expressed; the covering area of the lock cover is large, the locking effect is good, the influence and limitation on unlocking are smaller, and meanwhile the wearing stability and the taking-off and wearing comfort of the arch wire are guaranteed.

Devices, systems and methods for dental arch expansion. A polymeric shell including teeth receiving cavities may be shaped to impart an arch expansion force onto a first tooth of one or more teeth to move the one or more teeth from a first position a first distance from a midline of the arch to a second position a second distance from the midline of the arch, the second distance being greater than the first distance. An occlusal feature extending outward from an occlusal wall of a tooth receiving cavity may be configured to contact an outer occlusal surface of an opposing appliance to impart an anti-tipping force onto the first tooth. The anti-tipping force may be of a magnitude and direction to counteract a tipping moment generated at least in part due to the arch expansion force.

Wire attachment dental appliances. A shell may be shaped to receive teeth of a dentition. The shell may include an attachment material reservoir that is configured to accept an attachment material therein. A wire attachment member may be configured to be secured to the shell. The attachment material reservoir and the wire attachment member may be aligned along an arch line of the shell in a manner that allows a wire to simultaneously pass through the attachment material reservoir and engage with the wire attachment member.

The application belongs to the technical field of oral orthodontic medical instruments, and discloses a system of invisible appliance convertible position rigid anchorage accessory and an assembling method thereof. The embedded rigid anchorage accessory comprises an oral commonly used light-cured resin accessory body and a metal framework integrally embedded in the interior of the accessory body. The metal framework has an anchoring section completely embedded in the accessory body and an anchor-shaped connecting section extending out of the surface of the accessory body. The anchor-shaped connecting section is configured as a barb-shaped or T-shaped structure suitable for accommodating a ligation wire and forming a mechanical lock, and has a bidirectional force control function. The application constructs an absolute anchorage system without relative displacement between teeth and implant anchorage, avoids side effects caused by insufficient anchorage or poor patient cooperation in traditional elastic traction, and only needs to grind off the anchor-shaped connecting section on the surface of the accessory body after the anchorage structure completes the function, so as to become a standard vertical rectangular accessory to play a role.

Orthodontic bracket (10) comprising a body having a base intended to be fixed to the external surface of a tooth and a vestibular part intended to retain an orthodontic archwire (13) extending in a generally mesio-distal direction, characterized in that it comprises a housing (111) at least partly open on said base to open onto said tooth when said base is fixed on the external surface of said tooth, and intended to receive an adhesive material defining, once hardened, a retention pad for an orthodontic splint, a separation rib projecting from the base, placed on the periphery and in the extension of said housing (111), configured to separate the adhesive material intended to be received in said housing (111) from the adhesive material intended to be received on the rest of said base, and a folding groove (114) on the vestibular part, transverse to the latter, and opposite said housing (111).Abstract Figure: Figure 5.

The utility model relates to the technical field of orthotics, in particular to an elastic traction ring for an invisible orthodontic device, which comprises an outer rubber ring, an inner traction ring and a reinforcing rib are sequentially arranged on the outer rubber ring from outside to inside, and the outer rubber ring with a circular groove and the inner traction ring with a storage groove are inserted into the circular groove, so that the stability of the whole structure is improved, and the stability of the whole structure is improved. The reinforcing ribs are further inserted into the storage grooves, so that the overall toughness is improved, the situation that traction, fixation and matching of the position of the invisible orthodontic device are affected by overall breakage caused by long-time use is avoided, the multiple anti-skid ferrules are arranged, the contact area of the outer rubber ring is increased, and then the friction force of contact between the outer rubber ring and the invisible orthodontic device is increased; the orthodontic treatment matching of teeth is realized, the overall combination and installation are convenient, and the service life is long.

The utility model discloses an orthodontic molar extension and remote movement device which comprises a pair of fixing blocks used for being fixed on the outer side walls of adjacent molars, the side walls, facing the gum, of the two fixing blocks are jointly connected with an elastic assembly, and the tail end of the elastic assembly is provided with a fixing assembly used for fixing the elastic assembly on the gum. The elastic assembly is a continuous bent metal wire, the metal wire is divided into two sides, the metal wire on each side comprises a fixing block connecting section connected to the side wall of the fixing block, the other end of each fixing block connecting section is connected with an elastic bent section, the other end of each elastic bent section is connected with a gum connecting section, and one ends of the gum connecting sections on the two sides are jointly connected with a lantern ring. According to the utility model, the stress supporting point of the extension and remote movement molar is adjusted to the gum, the adjacent molar is not influenced, the two molar can be adjusted at one time, and the orthodontic time can be greatly shortened and the orthodontic efficiency can be improved when the orthodontic appliance is combined with an invisible orthodontic appliance for common use.

The utility model discloses an active and passive annular locking plate self-ligating bracket, which comprises a bracket matrix provided with an arch wire groove, and further comprises an annular locking plate provided with an arc section and a concave section which are connected in sequence to form an annular structure with an opening, and an annular locking plate provided with an arc section and a concave section which are connected in sequence to form an annular structure with an opening, an annular groove is further formed in the portion, on the periphery of the arch wire groove, of the parent body, the annular groove is provided with a first annular groove opening, a second annular groove opening and an annular groove first transition section, and the groove width of the annular groove first transition section is larger than that of other portions of the annular groove. And the annular locking plate can rotate in the annular groove. The bracket disclosed by the utility model has the advantages that the bracket is simple in structure and convenient to lock, and active self-locking and passive self-locking can be realized at the same time.

The present invention relates to a method and a system for manufacturing a retaining wire (11), said retaining wire (11) having a shape which is folded along the lingual surface of a set of teeth (12). To this end, a wire that is made of a shape-memory material and has a rectangular cross-section comprising a plurality of braided strands is assembled in the groove of a mould, said groove defining said folded shape. The shape-memory material is then activated.

The utility model relates to a self-locking bracket which comprises a bracket body, a locking plate, a lock cylinder and a lantern ring, an arch wire groove is formed in the bracket body, a first working wing and a second working wing are arranged on the two opposite sides of the arch wire groove, the locking plate is arranged on the second working wing in a sliding mode, a locking groove is formed in the bottom face of the locking plate, and a mounting hole is formed in the second working wing. The lantern ring is at least partially or completely contained in the mounting hole and does not stretch into the locking groove of the locking piece, the lock cylinder is columnar, one end of the lock cylinder is arranged in the lantern ring, and the other end of the lock cylinder protrudes out of the lantern ring and is arranged in the locking groove of the locking piece. Compared with a traditional scheme, the lock cylinder is additionally sleeved with the lantern ring, the sum of the outer diameter size of the lantern ring and the outer diameter size of the lock cylinder is larger than the outer diameter size of an independent lock cylinder, the size of the installation hole can be designed to be larger, and the installation hole can be formed in an injection molding mode or a direct drilling mode. Therefore, the difficulty of forming the mounting hole in the second working wing can be effectively reduced, and the mass production efficiency is further improved.

The invention discloses a flip cover self-ligating bracket, which belongs to the technical field of orthodontic treatment, and comprises a bracket body, a flip cover and a pin shaft, the bracket body is provided with a bottom plate, a groove and a first buckle part, the flip cover is provided with a second buckle part matched with the first buckle part, and the bracket body and the flip cover are respectively provided with a hinge hole. And the pin shaft is arranged in the two hinging holes in a penetrating manner, so that the turning cover can rotate relative to the bracket body. In a locking state, the first buckling part and the second buckling part are mechanically matched and locked, the turning cover is limited to rotate, and the groove is closed; in the unlocking state, external force drives the buckle to be separated through the unlocking groove, the turning cover rotates to be opened, and the groove is completely exposed. The bracket adopts a flip-type structure to replace a slide rail design of an existing sliding cover type bracket, so that the size is greatly reduced, foreign body sensation of a wearer is reduced, the comfort level is improved, meanwhile, the problem that a switch lock is unstable during chewing is avoided, stable constraint of an arch wire is ensured, the correction effect is guaranteed, and the bracket is convenient to operate and adapts to clinical orthodontic treatment requirements.

The utility model discloses an insertion type long arm draw hook and a multi-hook buccal tube, the insertion type long arm draw hook comprises a tenon tongue part, a draw arm and at least one draw hook, the tenon tongue part is used for being installed on the buccal tube, the draw arm is connected to the side, away from the buccal tube, of the tenon tongue part, and a certain included angle is formed between the draw arm and the tenon tongue part; the traction hook is arranged at one end of the traction arm away from the tenon tongue part. A certain included angle is formed between the tenon tongue part and the traction arm, so that the traction arm can avoid gingiva, compression on the gingiva is effectively avoided, and the comfort level of a patient during wearing is further improved while the functionality of the traction arm in clinical application is ensured.

To provide an arch wire for orthodontics that can reduce pain and discomfort during orthodontic treatment by using a low-rigidity wire. [Solution] The orthodontic archwire 10 has a loop portion 30 formed in a predetermined shape to enable loop mechanics, and is made of a superelastic material selected from the group consisting of nitinol, titanium-molybdenum alloy (TMA), and gum metal, which have a Young's modulus of 100 GPa or less. When the loop portion is activated, a force that slowly returns to its original shape acts continuously on the target tooth, physiologically promoting tooth movement and reducing pain during treatment, and further reducing the risk of complications due to excessive force, such as root resorption and damage to periodontal tissue.

The invention provides an orthodontic appliance system, which is used for staged mixed orthodontic teeth and comprises a tooth position correction tooth socket unit, a tooth space closing tooth socket unit and a dentition and occlusion shaping tooth socket unit. The tooth position correction tooth socket unit is used for being arranged on an initial dentition in a sleeving mode to obtain a corrected dentition. The tooth space closed tooth socket unit is used for being fixed on the correction dentition to obtain a tooth space closed dentition. The dentition and occlusion shaping tooth socket unit is used for being arranged on the tooth space closed dentition in a sleeving mode to obtain a shaping dentition. Therefore, the orthodontic appliance system can improve tooth arrangement and tooth spacing closure of a user.

The application discloses a preparation method of a beta type titanium alloy dental arch wire and relates to the technical field of dental arch wires, and comprises the following steps: S1, performing hot drawing treatment on a beta type titanium alloy rod to obtain a coarse wire blank; S2, performing annealing treatment on the coarse wire blank in S1; S3, performing cold deformation drawing on the coarse wire blank after the annealing treatment in S2; repeating S2 and S3 to obtain a medium wire blank; S4, performing polishing on the medium wire blank; S5, performing annealing treatment on the polished medium wire blank; S6, performing multi-pass large-deformation cold deformation drawing on the medium wire blank after the annealing treatment in S5 to obtain a fine wire blank; S7, performing polishing, square wire rolling and arch winding on the fine wire blank obtained in S6, and after shaping, performing cutting and pickling to obtain the beta type titanium alloy dental arch wire.

To provide a dental set for open bite treatment, which can easily depress molars in a short period of time without causing extrusion of front teeth when it is necessary to depress molars in open bite treatment, thereby enabling open bite treatment. [Solution] The dental set for open bite treatment has a plurality of brackets (201) attached to the patient's maxillary or mandibular teeth, an orthodontic wire (11) attached to these brackets, and an intermaxillary elastic (400). When indenting a patient's maxillary molars, the intermaxillary elastic is stretched by attaching the orthodontic wire to the bracket attached to the crown of the maxillary canine from above and stretching it, then hooking it from below to the bracket attached to the crown of the mandibular canine, and further hooking it onto a bondable tube (202) attached to the crown of the mandibular first molar. The same applies when indenting a patient's mandibular molars.

The utility model discloses an orthodontic traction mechanism which comprises a molar denture and an incisor denture, the front side of the molar denture and the front side of the incisor denture are respectively welded with a fixed plate limiting head, and the front side of the molar denture is rotatably connected with an arc-edge fixed plate I through the fixed plate limiting heads; the front side of the incisor tooth support is rotatably connected with a second arc-edge fixing plate through a fixing plate limiting head, the front side of the first arc-edge fixing plate is fixedly connected with a vertical positioning head, the front side of the second arc-edge fixing plate is fixedly connected with a transverse positioning head, and the left side of the vertical positioning head and the bottom of the transverse positioning head are fixedly connected with traction positioning bent rods; according to the utility model, pulling force is applied to the teeth through the traction arch wire, the teeth are pulled back to the correct position, and under the action of the nickel-titanium tension spring and the traction rubber band, extra traction pulling force except the traction arch wire is obtained between the teeth, so that the aim of further accelerating the traction speed of orthodontic treatment can be achieved.

The orthodontic self-ligating bracket structure comprises a bracket body, a circular tube and a cover plate which are combined and connected, the bracket body is provided with a guide rail which protrudes upwards, the guide rail is provided with a round tube inserting hole, the round tube is inserted into the round tube inserting hole, and one side of the round tube is provided with a front end avoiding groove communicated with the round tube; a connecting sliding groove is formed in the side of the cover plate, the guide rail is in sliding connection with the connecting sliding groove, the cover plate is installed and connected with the bracket body through the connecting sliding groove and the guide rail, a limiting locking groove is formed in the connecting sliding groove, and the upper end of the round pipe is clamped in the limiting locking groove; the cover plate has the advantages of high structural stability, simple production process, low production cost and high wearing comfort of a patient.

The utility model relates to a deciduous tooth orthodontic self-locking orthodontic appliance, which relates to the technical field of medical instruments and equipment, and comprises an orthodontic appliance main body, the middle of the main body is provided with a transverse through arch wire groove, the notch side is provided with a locking plate in sliding connection with the main body, and the locking plate can slide along the surface of the main body to open or close the arch wire groove. The surface of the main body is a smooth curved surface and is provided with a limiting groove. And through the design of a sliding groove, a clamping groove, a guide part, an elastic steel needle and a guide groove, the stability and operation convenience of the locking plate are ensured. In addition, the corrector is further provided with a shifting groove, a bottom plate, a net bottom and a special geometrical shape design, so that the wearing comfort and the correction effect are improved. The purposes of simplifying the operation process and improving the comfort level and the correction effect of the patient are achieved.

The utility model discloses a storage device for storing orthodontic brackets, which belongs to the technical field of tooth orthodontics and comprises a shell, a taking opening is arranged on one side of the upper end of the shell, a placing bin is fixedly mounted on the other side of the upper end of the shell, a conveying belt is mounted in the shell, and shifting plates are mounted on the conveying belt in an array manner. A power supply control bin is fixedly installed on one side of the outer portion of the shell, a control panel is fixedly installed at the upper end of the power supply control bin, a cover plate is hinged to the upper end of the shell, a laser range finder is fixedly installed at one end of the inner side of the cover plate, through the conveying belt and the shifting plate, brackets can be conveyed to the taking opening conveniently, taking is convenient, and through the laser range finder, the brackets can be taken conveniently. When no bracket exists between the shifting plates, automatic conveying is carried out, the use convenience effect is improved, the brackets are located in a sealed space during storage through the hinged cover plates, auxiliary illumination is carried out during use, the conveying condition of the brackets is detected, and the brackets of different specifications can be conveniently stored in a classified mode during combination.

The application belongs to the technical field of archwire correction, and provides a nickel-titanium alloy archwire with high elasticity and precise root control and a preparation method thereof. The nickel-titanium alloy archwire with high elasticity and precise root control comprises an archwire body, the archwire body comprises a nickel-titanium alloy base body, Nb and Zr, and the molar ratio of Ni to Ti in the nickel-titanium alloy base body is 50.8:49.251.2:48.8. The application also provides a preparation method of the nickel-titanium alloy archwire with high elasticity and precise root control. The application solves the core problems that the elasticity and strength of the traditional nickel-titanium alloy archwire are difficult to be considered together and the root control precision is insufficient in orthodontic treatment. The elasticity recovery rate of the archwire is greater than or equal to 98%, the yield strength is increased to 850 MPa-950 MPa, and the archwire has differential surface roughness, which can meet the high elasticity demand in the initial alignment stage of teeth and realize the precise control of the tooth root position in the fine adjustment stage, is suitable for the whole period treatment of oral orthodontics, and has extremely high clinical application value.

The present disclosure concerns a dental tool or instrument (100) comprising a working part (110) made of a nitinol alloy. The nitinol alloy of the working part (110) is transitionable from an R-phase alloy state when heated above a transition temperature. The working part (110) comprises at least a first portion (111) having a first transition temperature (TT1) and at least a second portion (112) having a second transition temperature (TT2). The first transition temperature (TT1) is a temperature lower than a working temperature such that, at working temperature, the first portion (111) is in the austenitic phase. The second transition temperature (TT2) is a temperature greater than the working temperature such that, at working temperature, the second portion (112) is in the R- phase. The present disclosure further concerns a method of manufacturing the dental tool or instrument.