644results about "Brackets" patented technology

A dental attachment placement device comprises a plurality of articulated registration elements shaped for placement on a plurality of teeth, which can facilitate placement, accommodate tooth movement, and improve alignment of the registration elements with the teeth, so as to accurately position an attachment for placement. The plurality of registration elements may comprise one or more attachment supports and one or more retention supports extending from the plurality of registration elements. A dental attachment can be removably coupled to the attachment support. The plurality of registration elements and attachment supports may be located on opposing sides of one or more teeth in order to maintain placement prior to adhering the attachment to the tooth. In some embodiments, each of the plurality of registration elements comprises a tooth registration surface shaped to engage the tooth with a specific position and orientation for accurate positioning of the attachment.

A method for assessing the shape of an orthodontic aligner, said method comprising the following steps:a″) acquisition of at least one image at least partially representing the aligner in a service position in which it is worn by a patient, called “analysis image”;b″) analysis of the analysis image by means of a deep learning device, preferably a neural network, trained by means of a learning base, so as to determine a value for at least one tooth attribute of an “analysis tooth zone” representing, at least partially, a tooth on said analysis image, the tooth attribute relating to a separation between the tooth represented by the analysis tooth zone, and the aligner represented on the analysis image, and / orfor an image attribute of the analysis image, the image attribute relating to a separation between at least one tooth represented on the analysis image, and the aligner represented on said analysis image.

The invention discloses an intelligent eye control bonding system and method for an orthodontic appliance, and relates to the technical field of intelligent oral medical equipment. Comprising a pupil eye-control image positioning module, a bracket initial coordinate is generated through doctor pupil trajectory tracking and doctor head dynamic compensation, a patient three-dimensional oral cavity model is combined for mapping, a three-dimensional visual interface is constructed by integrating oral scanning instrument and cone beam CT data, and the three-dimensional visual interface is projected to an entity tooth surface through a laser positioning projection device. And the dynamic tracking module corrects the posture of the bracket in real time through rigid compensation and elastic compensation based on inertial sensing data. The path planning and control module adopts an improved RRT *-Connect algorithm, and an elastic map and an impedance-admittance hybrid control strategy are fused to optimize a motion path. And the mechanical arm execution module adopts a modular six-axis framework, integrates a triple-combination driving system and a double-cavity end effector, and completes submillimeter-level bonding operation in an oral cavity limited space. The positioning precision and the bonding efficiency of the bracket are improved.

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.

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.

In some embodiments, apparatuses and methods are provided herein useful to providing data files associated with orthodontic appliances. In some embodiments, a system for providing data files associated with orthodontic appliances comprises a database, wherein the database stores the data files associated with the orthodontic appliances and a control circuit, wherein the control circuit is communicatively coupled to the database, a user device, and a printer, wherein the control circuit is configured to receive, from the user device, an indication of a selected orthodontic device, retrieve, based on the indication of the selected orthodontic device from the database, one of the data files associated with the orthodontic appliances, wherein the one of the data files associated with the orthodontic appliances corresponds to the selected orthodontic appliance, and transmit, to the printer, the one of the data files associated with the orthodontic appliances.

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.

Methods of planning dental treatments are provided. In some embodiments, a method includes determining a plurality of stages for incremental repositioning of a patient's teeth. The method can include determining, for at least one stage, a shape of a corresponding dental appliance body, and generating instructions for direct fabrication of the dental appliance body. The dental appliance body can include a support formed in a tooth-receiving cavity, one or more coupling structures formed proximate to the support, and an attachment formed proximate to the one or more coupling structures. The dental appliance body can be configured to align the attachment to a predetermined location on a tooth. The one or more coupling structures can be configured to release the attachment with removal of the dental appliance body from the tooth.

The embodiment of the utility model provides a dental instrument which comprises a shell-shaped body, the shell-shaped body is provided with a plurality of tooth containing cavities and a traction part, the traction part is of a cavity structure formed by protruding and extending from the surface of the shell-shaped body to the far-tooth direction, and the traction part and the edge of the shell-shaped body are arranged in a spaced mode; the side surface of the traction part is provided with an opening structure used for hanging a traction piece, the side surface of the traction part is further provided with a reinforcing ridge formed by protruding or recessing part of the side surface, one end of the reinforcing ridge is adjacent to the free end of the traction part, the other end of the reinforcing ridge is far away from the free end of the traction part, and the whole reinforcing ridge is roughly arranged in the protruding and extending direction. Through the arrangement, the anti-bending section coefficient of the side surface of the traction part under the action of traction force can be effectively improved, so that the deformation resistance of the side surface of the traction part in the traction direction is improved.

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.

Apparatuses and methods for performing orthodontic treatment planning are provided. Virtual / Augmented Reality devices can be used to virtually manipulate patient's teeth, modify virtual models of the patient's teeth, analyze the fit of a dental appliance on the patient's teeth, analyze the position of attachment sites for dental appliances, and provide overlays showing forces applied to the patient's teeth. The VR / AR devices can be used by physicians and / or the patient to provide and display treatment planning. In some examples, a length and / or angle of an elastic band or wire and one or more effective forces on a patient's teeth when a dental appliance is applied to the patient's teeth may be determined. A visual overlay graphically illustrating the one or more effective forces may be generated and displayed.

The utility model provides a dental instrument which comprises a shell-shaped body with a plurality of tooth containing cavities, the shell-shaped body further comprises an extension part and a traction part, the extension part is formed by extending the edges of the tooth containing cavities towards the gingiva direction, the traction part protrudes from part of the surface of the extension part towards the far-tooth direction to form a cavity structure, and in addition, the traction part is connected with the extension part. The traction part and the edge of the extension part are arranged at an interval; the side surface of the traction part is provided with a containing cavity used for hanging a traction piece, and when the traction device is worn, the extension part covers and wraps part of gingiva. The traction part in each embodiment of the utility model not only can replace the function of an anchorage nail to provide anchorage force or orthodontic force, but also solves a series of negative effects that in the prior art, an implanting nail needs to be driven into a tooth root, and trauma is caused to the interior of the mouth of a patient.

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.

Dental appliances for treatment of a patient's dentition are provided. In some embodiments, a dental appliance includes a plurality of 3D printed polymer layers, where the plurality of 3D printed polymer layers includes a plurality of sequentially polymerized appliance cross-sections. The dental appliance can include an appliance shell formed from the plurality of sequentially polymerized appliance cross-sections. The appliance shell can include a plurality of tooth receiving cavities formed from the plurality of sequentially polymerized appliance cross-sections, the plurality of tooth receiving cavities arranged to receive a dentition and to exert one or more forces on the dentition, and a plurality of variable thickness regions formed from the plurality of sequentially polymerized appliance cross-sections. The plurality of variable thickness regions can include a corresponding plurality of different appliance thicknesses, and the plurality of variable thickness regions can be arranged to implement one or more treatment outcomes.

Methods of manufacturing dental etching templates. A virtual shell having one or more cavities shaped to receive one or more teeth of a virtual dental model of a patient's dentition may be formed. A virtual well may be formed at a position of the virtual shell based on an area on a tooth of the patient's dentition to be etched. Walls that define the virtual well may be shaped to accommodate a volume of a wafer that absorbs a liquid etching material and to accommodate a reservoir that extends beyond the volume of the wafer. The reservoir may be shaped to contain excess liquid etching material from the wafer. A physical etching template may be formed based on the virtual etching template.

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.

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 application discloses a kind of oral orthodontic invisible lingual side buckle silicone sleeves, belong to oral medical field, a kind of oral orthodontic invisible lingual side buckle silicone sleeve, including silicone sleeve main part, silicone sleeve main part is the hollow structure of one side opening, silicone sleeve main part is provided with hole shaping rod, positioning piece and material injection part, hole shaping rod is inserted in the inside of silicone sleeve main part, for forming a guide hole in the inside of light-cured resin, and the diameter of hole shaping rod is reduced in oral cavity inside melt, positioning piece is installed on silicone sleeve main part, for positioning hole shaping rod, material injection part is set on silicone sleeve main part, for injecting light-cured resin to the inside of silicone sleeve main part, hole shaping rod includes the fusing ring made of fusing solid material, it can be realized, make the gap between the light-cured resin lingual side buckle guide hole and hole shaping rod after forming, reduce the difficulty when pulling out hole shaping rod.

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 invention relates to an assistance system (10) for assembling a retaining device (1), the retaining device (1) comprising: - at least two plates (4), - at least one retaining element (6); the guide (11) comprising at least two guide surfaces (12), each guide surface being shaped to be at least partially complementary to a single plate (4), the guide (11) further comprising at least one guide mark (13) for the retaining element (6), the guide surfaces (12) and the guide mark (13) being positioned relative to one another in a predetermined manner, in order to be at least partially complementary to the retaining device (1) in a retaining configuration.

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 an invisible appliance which comprises an appliance body and a force application unit mounted on the appliance body, the appliance body comprises a sleeving part sleeving teeth and an attaching part abutting against the inner wall of an oral cavity, and the two ends of the force application unit are elastically connected to the sleeving part and the attaching part respectively. Therefore, the force is applied to the teeth at the specific position of the sleeving part, so that the teeth are corrected. According to the invisible orthodontic appliance, the attaching part attached to the interior of the oral cavity is additionally arranged, an installation foundation is provided for the second connecting piece replacing an anchorage nail, implantation of the anchorage nail is reduced, accordingly, inflammation and infection of the implantation position in the oral cavity are avoided, meanwhile, stable tension can be provided for the first connecting piece, and the effect of the orthodontic appliance is 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.