979results 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 a double-arch-wire correction system with high connection stability. The double-arch-wire correction system comprises a first arch wire, a second arch wire, a lock cover, a bracket, a pressing wing and an elastic pin shaft, in a wearing state, the elastic pin shaft is in a reset state, the elastic pin shaft drives the pressing wing to act on the lock cover, and the lock cover is tightly buckled on the bracket. In the daily feeding process of a patient, the locking cover on each tooth position is firmly locked on the bracket, so that the locking cover is not easy to loosen due to the stuffing of food residues. In addition, even if the appliance is worn for a long time, dental calculus is not easy to accumulate around the pressing wings, so that the pressing unlocking of the appliance is easier; meanwhile, due to the fact that the pressing wing pries the lock cover from the bottom through rotation, the two sides of the lock cover need to be pinched by hands and pulled out forcibly in the past, the lock cover can be driven to be separated in a more labor-saving mode, a doctor only needs to slightly press the pressing wing to complete unlocking, convenience is remarkably improved, the pain of a patient is relieved, and the time beside a revival chair is shortened.

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 present invention discloses an orthodontic appliance and a manufacturing method thereof. The orthodontic appliance includes: a fixing member and an orthodontic wire; the fixing member is used to be fixed on the tooth surface, and the orthodontic wire has a plurality of curved structures for releasing orthodontic force. The orthodontic wire is an elastic member with elasticity, and the orthodontic wire and the fixing member are detachably buckled and connected. This appliance can accurately control the amount of tooth movement, precisely quantify the acting force applied to the local and overall teeth; greatly save the time of patients and doctors, significantly reduce the medical cost, and greatly improve the convenience of orthodontics; this manufacturing method has a short production time, high production efficiency, greatly saves the manufacturing process steps, and reduces the medical cost.

The invention discloses a biomechanical self-ligating bracket, and belongs to the field of biomechanical self-ligating brackets, the biomechanical self-ligating bracket comprises an arch-shaped base, the upper end of the arch-shaped base is fixedly connected with a base, the upper end of the base is connected with a bracket wing assembly, the upper end of the base is connected with a limiting assembly, and the interior of the bracket wing assembly is connected with an anti-opening assembly. According to the key points of the technical scheme, by arranging a limiting assembly, when the arch wire slides in the designed direction (forward sliding), namely, the arch wire slides from back to front, a sliding block keeps in contact with the lower portion of the arch wire under the elastic force of a spring, the thrust of the arch wire is decomposed into normal force and tangential force, the friction resistance of the arch wire is small, and when the arch wire slides in the reverse direction, the sliding block is dragged by the friction force to slide along a sliding groove; the spring is stretched, the clamping block is finally wedged into the clamping groove, and the friction resistance of the arch wire is increased, so that the sliding block forms a self-locking effect, and the situation that teeth are difficult to move in a preset direction due to reverse sliding of the arch wire is prevented.

Devices, methods, and systems for placing dental auxiliaries on teeth are provided. In some embodiments, for example, a dental auxiliary positioner for placing a dental auxiliary on a tooth includes: a registration element configured to receive a patient's tooth; and an auxiliary support coupled to the registration element and further coupled to an auxiliary, where the auxiliary support is configured to position the auxiliary against a surface of the tooth, and where the auxiliary support includes a frame extending at least partially around the auxiliary, one or more struts coupling the auxiliary to the frame, and a flexible bridge coupling the frame to the registration element, where the flexible bridge is configured to bend in one or more directions relative to the tooth to adjust the position of the auxiliary on the surface of the tooth.

Embodiments relate to the methodology of direct manufacture of a customized labial / lingual orthodontic tube by using a ceramic slurry-based additive manufacturing (AM) technology. For example, a method of manufacturing customized ceramic labial / lingual orthodontic tubes by additive manufacturing may comprise measuring dentition data of a profile of teeth of a patient, based on the dentition data, creating a three-dimensional computer-assisted design (3D CAD) model of the patient's teeth, and saving the 3D CAD model, designing a virtual 3D CAD tube structure model for a single labial or lingual tube structure based upon said 3D CAD model, importing data related to the 3D CAD tube structure model into an additive manufacturing machine, and directly producing the tube with the additive manufacturing machine by layer manufacturing from an inorganic material including at least one of a ceramic, a polymer-derived ceramic, and a polymer-derived metal.

A system includes a build platform configured to support an object that is being formed from layers of resin. The system further includes one or more blades configured to provide the layers of resin to form the object on the build platform. At least a first blade of the one or more blades is configured to vibrate to reduce viscosity of the layers of resin.

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 may include an archwire and multiple orthodontic brackets. The archwire may fit within a human mouth and contain multiple male connectors. Each orthodontic bracket may have a configuration that facilitates attaching the orthodontic bracket to a single tooth. Each orthodontic bracket may allow one of the male connectors to be locked into the orthodontic bracket with a snapping action. The male connector may be unable to slide with respect to the orthodontic bracket after being locked in the orthodontic bracket. A manual unlocking action may allow the male connector to disengage from the orthodontic bracket.

The utility model discloses an orthodontic bracket capable of reducing friction force, which is characterized in that single-side oblique angles are arranged on the near, far and middle opening sides of a main arch wire groove, the two single-side oblique angles are arranged in parallel, a horizontally arranged transition groove is formed between the two single-side oblique angles of the main arch wire groove, and the transition groove is communicated with the main arch wire groove. The oblique angles are arranged on the near, far and middle opening sides of the main arch wire groove, so that the contact between the dental arch wire and the side wall of the main arch wire groove is changed from linear contact to point contact, the contact area between the dental arch wire and the groove of the main arch wire groove is reduced when teeth incline and move, and the dental arch wire ligature structure has the advantages that the dental arch wire ligature structure is simple in structure and convenient to use. The friction force between the teeth is reduced, the anchorage is saved, and the tooth moving efficiency is improved; the transitional groove is formed in the main arch wire groove, so that the bracket can be quickly positioned during clinical operation, the bracket is ensured to be positioned in the middle of teeth, and doctors in the industry can accept and master the bracket more easily.

The invention provides an invisible orthodontic appliance assembly and a mounting method and application thereof, the invisible orthodontic appliance assembly is used for treating twisted teeth, and the invisible orthodontic appliance assembly comprises an invisible orthodontic tooth socket at least comprising a twisted tooth part, a first adjacent tooth part and a second adjacent tooth part; a local grinding area is arranged at the torsion tooth part, and the surface of the torsion tooth is exposed; the torsion tooth correction assembly comprises a self-ligating bracket, a first arch tube, a second arch tube and an arch wire, wherein the self-ligating bracket is fixed on the surface of a torsion tooth; the first arch tube is arranged on the surface of the first adjacent tooth part, and the second arch tube is arranged on the surface of the second adjacent tooth part; the arch wire comprises a fixed end and a free end, the fixed end is fixed in the first arch tube, and the free end is accommodated in the second arch tube; the middle part of the arch wire is fixed in the self-ligating bracket to form a locking state, and the resilience force generated by the deformed arch wire is used for correcting the twisted teeth. Through the synergistic effect of the invisible orthodontic tooth socket, the self-ligating bracket, the arch tube and the arch wire, efficient orthodontic of twisted teeth is realized.

The invention relates to the technical field of plastic forming, and discloses a punch forming device and a machining method for forming a bracket of an orthodontic appliance, the punch forming device comprises a punching machine frame, a punching set and a part conveying set are arranged in the punching machine frame, the punching set comprises a first-stage punching device and a second-stage punching device, and the part conveying set comprises a plurality of fixing devices; a rectangular machine frame is rotationally connected into the punching machine frame through a bearing, a driving source is installed on the punching machine frame, and the fixing equipment comprises a clamping assembly, a rotating assembly and a moving assembly. The clamping assembly comprises four clamping blocks and a transmission part, and the rotating assembly comprises two clamping plates. The multiple fixing devices are driven by the driving source to rotate at the same time, in the process that the driving source drives the fixing devices to move from the first-stage stamping device to the second-stage stamping device, the workpiece is driven by the rotating assembly to turn over, so that the two sides of the workpiece are machined, and the problems that the size of a bracket base is too small, and after one face is machined, the workpiece cannot be machined are solved. And the substrate is difficult to turn over quickly and the other surface of the substrate is difficult to process.

The utility model discloses a dental system which comprises a force application platform with a first action point, a second action point which is arranged at an interval with the force application platform, and a connecting piece which is connected with the first action point and the second action point, when the dental system is worn in an oral cavity, maxillary teeth and mandibular teeth clamp the force application platform, and the force application platform is connected with the connecting piece. The second point of action directly or indirectly contacts the teeth, and the connector generates an acting force between the first point of action and the second point of action. The force application platform is clamped between the upper jaw teeth and the lower jaw teeth, extra discomfort cannot be brought to a patient, the position of the force application platform in the oral cavity is stable, anchorage can be effectively increased, and stable acting force can be provided.

Embodiments may provide improved techniques for creating custom lingual or labial ceramic orthodontic brackets, and which provides the capability for in-office fabrication of such brackets. For example, a method of manufacturing customized ceramic labial / lingual orthodontic brackets by ceramic slurry-based AM may comprise measuring dentition data of a profile of teeth of a patient, based on the dentition data, creating a three dimensional computer-assisted design (3D CAD) model of the patient's teeth using reverse engineering, and saving the 3D CAD model on a computer, designing a 3D CAD bracket structure model for a single labial or lingual bracket structure, importing data related to the 3D CAD bracket structure model into a ceramic slurry-based AM machine, directly producing the bracket (green part) in the ceramic slurry-based AM machine by layer manufacturing, and processing the brackets in a sintering and debinding oven prior to direct use.

Devices, methods, and systems for placing dental auxiliaries on teeth are provided. In some embodiments, for example, a dental auxiliary positioner for placing a dental auxiliary on a tooth includes: a registration element configured to receive a patient's tooth; and an auxiliary support coupled to the registration element and further coupled to an auxiliary, where the auxiliary support is configured to position the auxiliary against a surface of the tooth, and where the auxiliary support includes a frame extending at least partially around the auxiliary, one or more struts coupling the auxiliary to the frame, and a flexible bridge coupling the frame to the registration element, where the flexible bridge is configured to bend in one or more directions relative to the tooth to adjust the position of the auxiliary on the surface of the tooth.

The present disclosure is directed to a dental appliance. The dental appliance includes a first band adapted for mounting about a first tooth, such as a second molar, the first band having a mesial hook facing toward a root of the first tooth. A second band is included, the second band adapted for mounting about a second tooth, such as a premolar, wherein the second band has a distal hook facing toward a crown of the second tooth. A spring is secured to, and extends between, the distal and mesial hooks. The spring may be a nickel titanium coil spring and have a length of about 13 mm. Other embodiments include a supportive rigid bar, a bi-lateral arrangement, and a method of applying the dental appliance.

An indirect orthodontic bonding (IDB) tray preloaded with one or more orthodontic brackets with uncured pre-pasted adhesive. The loaded IDB tray can be produced by an IDB tray manufacturer and distributed to an orthodontist in a container that prevents the adhesive from curing. The loaded IDB tray can be removed from the container when the patient is ready for treatment. The loaded IDB tray can be placed over the dental arch of the patient such that the one or more orthodontic brackets can bond, via curing of the adhesive, to the teeth of the patient.

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.

Disclosed herein is a curable composition that can contain a high crosslinker content and cure to form a tough and color neutral material that can be effectively used for a wide range of dental applications. In various embodiments, the compositions and / or polymers resulting therefrom may be used in dental appliances, including, but not limited to, orthodontics, accessory placement devices, incremental palate dilaters, dentures, crowns, and the like.

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.

The utility model discloses a self-ligating bracket which comprises a bracket body and a lock cover, one side of the bracket body is used for bonding a tooth surface, the other side of the bracket body is provided with an arch wire groove, one side, provided with the arch wire groove, of the bracket body is provided with a sliding groove, and the lock cover is installed on the bracket body in a sliding mode through the sliding groove. One end of the lock cover is located at a notch of the arch wire groove, an elastic piece is installed on the side, close to the bottom of the sliding groove, of the lock cover, and an arc-shaped limiting block is elastically arranged on the elastic piece. Limiting grooves matched with the arc-shaped limiting blocks are formed in the positions, located at the bottoms of the sliding grooves, of the bracket body; when the arc-shaped limiting block is clamped into the limiting groove, the arc-shaped limiting block is in a natural state. The application has the effects of reducing the situation of locking and unlocking failure of the lock cover and guaranteeing the treatment progress.

A method of manufacturing customized ceramic labial / lingual orthodontic brackets by digital light processing, said method comprises measuring dentition data of a profile of teeth of a patient, wherein measuring dentition data is performed using a CT scanner or intra-oral scanner, based on the dentition data, creating a three dimensional computer-assisted design (3D CAD) model of the patient's teeth using reverse engineering, and saving the 3D CAD model on a computer, designing a 3D CAD bracket structure model for a single labial or lingual bracket structure, importing the 3D CAD bracket structure model into a Digital Light Processing (DLP) machine, directly producing the bracket by layer manufacturing.