1456results 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.

An orthodontic bracket and archform system that uses friction-free mechanics are disclosed. The archform can have a male fastener that can be retained within an orthodontic bracket. The orthodontic bracket can have varying locking mechanism, such as deflectable tabs, springs, locking pins, and others, that can cooperate with features of the male fastener to prevent sliding between the archform and the bracket.

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 utility model relates to an ultra-thin vertical-hole-free strip-shaped arch standard bracket which comprises a bottom plate and a bracket main body arranged on the bottom plate, a groove used for being matched with a strip-shaped arch wire is transversely formed in the bracket main body, and a preset torque degree is formed between the bottom surface of the groove and the surface of the bottom plate. The wide face of the strip-shaped arch wire is attached to the bottom face of the groove to generate automatic torque, the middle of the groove is not provided with a vertical sinking groove staggered with the groove, the base of the bracket body is not provided with a vertical hole, the height of the base of the bracket body can be fully lowered, the bottom face of the groove is close to the bottom plate, and the overall height of the bracket body is lowered. According to the utility model, the height of the bracket main body can be reduced to the greatest extent, the ultrathin evolution of the bracket is realized, and the use comfort is improved; food impact is weakened, the bracket is prevented from falling off accidentally, it is guaranteed that the orthodontic process is continuously and smoothly carried out, and the orthodontic accuracy and efficiency are improved; structures easy to hide dirt are reduced, so that the oral cavity can be kept clean and healthy.

An orthodontic appliance includes a body portion, and a traction component, a transmission component and an occupying component which are independently provided, the body portion is provided with a slot and an open accommodating cavity communicated with the slot, and the traction component is detachably connected to the accommodating cavity and / or the transmission component; the accommodating cavity accommodates the transmission component, the occupying component is provided in the slot or is provided in the accommodating cavity and the slot, and the transmission component is transmittingly connected to the occupying component; the transmission component is provided with a transmission adaptation position configured to be transmittingly connected to a screwing tool, and the transmission component drives the occupying component to at least partially enter or exit the slot or move in the slot in a slot width direction, so as to change an effective space of the slot.

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.

The invention relates to the field of orthodontic instruments, and provides a wedge-shaped arch expander which comprises two base plates which are respectively attached to two sides of an upper jaw surface and are divided by a palate center seam, the two base plates are provided with hoops which are worn on teeth, an orthodontic seam is reserved between the two base plates, an orthodontic wedge block is embedded in the orthodontic seam, and the orthodontic wedge block is embedded in the orthodontic wedge block. The two sides of the correcting wedge block abut against the inner sides of the two base supports; the matched wedge-shaped expansion device is obtained through the design method, teeth are corrected through the wedge-shaped expansion device, and the wedge-shaped expansion device can avoid the problem of correction dislocation caused by uneven stress in the tooth correction process.

Orthodontic systems and related methods are disclosed for designing and providing improved or more effective tooth moving systems for eliciting a desired tooth movement and / or repositioning teeth into a desired arrangement. Methods and orthodontic systems of the invention include tooth attachments having improved or optimized parameters selected or modified for more optimal and / or effective application of forces for a desired / selected orthodontic movement. Attachments of the present invention can be customized to a particular patient (e.g., patient-customized), a particular movement, and / or a sub-group or sub-set of patients, and configured to engage an orthodontic tooth positioning appliance worn by a patient, where engagement between the attachment and orthodontic appliance results in application of a repositioning force or series / system of forces to the tooth having the attachment and will generally elicit a tooth movement.

A dental auxiliary appliance, comprising a handhold rod (1) and an extension section (2) which are connected to each other. The extension section (2) is provided with a front lug (23) used for hooking an elastic traction belt (3) thereon. An impacted tooth (5) traction apparatus comprises a first fixator (4) used for being fixed to an impacted tooth (5), a second fixator (6) used for being fixed to a fixed body (7), and the elastic traction belt (3) used for connecting the first fixator (4) and the second fixator (6). A method for mounting the impacted tooth (5) traction apparatus comprises: fixing the first fixator (4) to the impacted tooth (5), fixing the second fixator (6) to the fixed body (7), stretching the elastic traction belt (3) to a certain length and then connecting same to the first fixator (4) and the second fixator (6).

Non-sliding orthodontic appliances may include an archwire having male fasteners for locking in place with brackets in a non-sliding manner and interproximal loops for exerting forces on the brackets. Appropriate forces may be calculated according to vectors between initial and ideal tooth positions. The brackets may be transferred to a patient's teeth using indirect bonding trays which contain slots for holding and aligning each bracket. The trays may include integrated handles for facilitating handling, may be sectioned into smaller pieces for easier application, and / or may be labeled for facilitating proper registration. Superposition of a digital placement plan and clinical model after bonding may illustrate the accuracy of bracket placement. The archwire may comprise atraumatic ends to avoid patient discomfort. A color registration system can be used to facilitate the attachment of the archwire to the brackets. The archwire may be locked into place with the brackets using crimpable stops.

An archwire (10) is located in a lumen (12) of a self-ligating orthodontic bracket (14) or molar tube. The archwire (10) has a non-rectangular cross-section comprising two opposite pairs of substantially right-angled edges connected together by respective connecting edges. The archwire (10) engages with opposite sides of the lumen (12) in the orthodontic bracket (14) or molar tube. In the preferred embodiment, the non-rectangular cross-section (16) comprises a non-regular hexagon.

The muscle activator 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 lower anterior teeth. The invention further discloses a manufacturing method of the muscle agonist, and particularly discloses a 3D printing method. The retention effect is better, direct control over movement of the upper anterior teeth is increased, and limitation to the position of the lower jaw is higher; and the manufacturing process of the muscle agonist is greatly simplified, the muscle agonist manufactured through direct 3D printing can be directly and integrally formed after design, and compared with an existing manual manufacturing method, the manufacturing method has the advantage that the manufacturing process is greatly simplified.

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.

Systems and methods for planning a treatment for a patient's teeth are provided. In some embodiments, a method includes receiving input data representing an initial tooth arrangement of a patient's teeth. The method can include determining a target tooth arrangement for the patient's teeth, the target tooth arrangement including a change in mass of at least one tooth. The method can also include generating a plurality of intermediate tooth arrangements configured to adjust the patient's teeth from the initial tooth arrangement toward the target tooth arrangement. The method can further include generating instructions to output a visualization showing a difference in tooth mass between at least one intermediate tooth arrangement of the plurality of intermediate tooth arrangements and the target tooth arrangement.

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.

A method comprises receiving, by a processing device, clinical data of a first state of one or more dental arches of a patient. The method further comprises determining, by the processing device, one or more stages of an orthodontic treatment plan for correcting the one or more dental arches based on processing of the clinical data. Determining a stage of the orthodontic treatment plan comprises determining one or more actions to be performed with respect to the one or more dental arches and determining a target state of the one or more dental arches that is predicted to result at least in part from the one or more actions.

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.

On one hand, the utility model provides the accessory which is used for being adhered to the surface of the tooth, so that the shell-shaped tooth appliance worn on the tooth can apply force and torque to the tooth through the interaction with the accessory, and the accessory forms an adhering surface for adhering the accessory to the surface of the tooth at a first end. The attachment is formed by extending from the bonding surface, an acute angle is formed between the connecting line of the first end and the second end of the attachment and the bonding surface, and the second end is the tail end far away from the first end.