1070results about "Teeth filling" patented technology

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In an embodiment, the main body portion, cheek retractor portion, and suction connector portion may be molded in one piece, preferably by injection molding. The main body portion has an anterior wall inside the curve and a posterior wall outside the curve, and an at least one connector connecting the anterior wall and the posterior wall. The main body portion has an anterior intervening wall and the posterior intervening wall in between the anterior and posterior walls. The anterior intervening wall and the posterior intervening walls have alternating crests and troughs.

The dental mouthpiece has a curved shape and includes a main body portion located at the center of the curve and having a first end and a second end, a suction connector portion connected to the first end, and a lip hook portion connected to the second end. The main body portion includes a front wall on the inside of the curve and a rear wall on the outside of the curve. The front and rear walls define an interior space. At least one connector connects the front wall to the rear wall. At least one front intermediate wall extends from the front wall partially toward the rear wall. At least one rear intermediate wall extends from the rear wall partially toward the front wall. The at least one front intermediate wall and the at least one rear intermediate wall each have alternating peaks and valleys.

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In an embodiment, the main body portion, cheek retractor portion, and suction connector portion may be molded in one piece, preferably by injection molding. The main body portion has an anterior wall inside the curve and a posterior wall outside the curve, and an at least one connector connecting the anterior wall and the posterior wall. The main body portion has an anterior intervening wall and the posterior intervening wall in between the anterior and posterior walls. The anterior intervening wall and the posterior intervening walls have alternating crests and troughs.

An intraoral device for dental isolation and fluid evacuation is disclosed. The device includes a first flap and a second flap positioned adjacent to the first flap to form an evacuation chamber, the second flap including a plurality of peaks and troughs forming a waveform shape at a first edge and a second edge of the second flap, the plurality of peaks and troughs forming a plurality of channels in fluid communication with the evacuation chamber; and an evacuation source connection portion including an opening that is in fluid communication with the evacuation chamber and configured to facilitate fluid evacuation when the evacuation source connection portion is attached to an external vacuum suction device, wherein an interior second flap surface is configured to touch an interior first flap surface at the plurality of troughs at least when suction is applied by the external vacuum suction device.

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.

A method for collecting usage data of an endodontic instrument. The method includes the following steps: acquiring data relating to the shape of a root canal to be treated; at regular intervals, acquiring data relating to the working depth of the instrument in the root canal; at regular intervals, acquiring data relating to the stress undergone by the instrument during work; and producing a database linking each data item acquired.

Image acquisition device comprising: - a support (12); - a dental retractor (14) fixed to the support and defining a retractor opening (24); and - means for fixing an image acquisition device to the support in a position in which the acquisition device is oriented to receive an image of the retractor opening.

The invention provides an enamel veneering repair material and a preparation method thereof, and belongs to the technical field of ceramic forming products. In order to further improve the attaching property of a tooth veneering material, reduce the amount of abraded tooth tissues and reduce the risks of ceramic collapse and falling off. Zirconium oxide, aluminum oxide, hydroxyapatite, silica dimethylsilylate, silicon dioxide, fluorapatite, magnesium oxide, thermosetting acrylic resin, aluminum hydroxide gel, a silane coupling agent, polyvinyl alcohol, sodium phytate and the like are adopted as raw materials, all the components are matched according to a certain proportion, and a special technology is adopted for preparing the tooth patch. While good biocompatibility, high hardness and wear resistance are ensured, the adhesion can be further improved, the removal amount of tooth tissues by grinding is reduced, the risks of ceramic collapse and falling are reduced, the service life is prolonged, and better use experience is provided.

Methods and apparatuses for taking, using and displaying three-dimensional (3D) volumetric models of a patient's dental arch. A 3D volumetric model may include surface (e.g., color) information as well as information on internal structure, such as near-infrared (near-IR) transparency values for internal structures including enamel and dentin.

An intraoral assembly for endoscopy, including a bite bar, including a tubular section including a first end and a second end, a first flange arranged at the first end having an indentation therein, a second flange arranged at the second end, and a first through-hole, and a tongue restraint, including, a proximal end, a distal end, a top surface, a bottom surface, a first side, a second side, and a hole extending from the proximal end to a location proximate the distal end, wherein the bite bar is adjustably and removably connectable to the tongue restraint. The tongue restraint having a pair of protrusions arranged in each of a pair of a channels. The tongue restraint having an extension arranged to be seated within the indentation of the bite bar.

A dispensing system includes a dispensing outlet, a cartridge, a connector and a plug element arranged within the connector and at the cartridge. The connector is arranged at the cartridge and the dispensing outlet is separate from the connector and the cartridge and is lockable to the cartridge by a rotation of the connector into a position of use. A rotation of the connector into the position of use brings about an axial movement of the plug element relative to the cartridge and to the dispensing outlet.

There is provided a method comprising: detecting and / or segmenting a dental-related anatomical structure of a subject from a dental 3D imaging model, wherein the dental-related anatomical structure includes a target for injection of anesthesia by a dental syringe, accessing sequential frames of an oral cavity of a subject captured by an image sensor during a dental session of the subject, presenting within a GUI, at least one fused frame depicting a merger of the sequential frames and the segmentation of the dental-related anatomical structure of the subject registered to the sequential frames, wherein the dental-related anatomical structure is depicted on the sequential frames at a location indicating the target for injection, and dynamically updating the location of the dental-related anatomical structure depicted on the sequential frames according to dynamic adaptation of a pose of the image sensor.

A dental mouthpiece is provided that may be attached to a high-suction dental adapter for the purpose of assisting the dental staff during dental procedures through chair-side, hands-free suction, and isolation. Such a mouthpiece may comprise a main body portion, a cheek retractor portion, and a suction connector portion. In an embodiment, the main body portion, cheek retractor portion, and suction connector portion may be molded in one piece, preferably by injection molding. The main body portion has an anterior wall inside the curve and a posterior wall outside the curve, and an at least one connector connecting the anterior wall and the posterior wall. The main body portion has an anterior intervening wall and the posterior intervening wall in between the anterior and posterior walls. The anterior intervening wall and the posterior intervening walls have alternating crests and troughs.

The present invention relates to an improved packaging for peptides that need to be dissolved before application, for example, self-assembling peptides such as P11-4. In particular, the present invention provides a blister packaging that can be both conveniently used and more cheaply produced than previous packaging, as well as use thereof in application of the peptide, e.g., in treatment of subsurface caries lesions.

The present invention is a dental material carrier and a dispenser gun thereof configured to mark the amount of a dental material used or remained in the dental material carrier. The dental material carrier comprises a body with opaque scratchable colored markings and to be pre-loaded with a predetermined amount of a dental filling material. The dispenser gun having a housing configured to receive the dental material carrier and a piston with an extended metal bar attached to the piston. The metal bar having a pin to scratch the markings on the dental material carrier. In one embodiment the dispenser gun further has a locking mechanism to provide a one way advancement of the piston and lock the piston at the point of usage of the dental material used inside the carrier. In another embodiment the marking element is an O-ring.

Disclosed herein are systems and methods for eradicating biofilms by killing bacteria within the biofilm, degrading the matrix, and removing biofilm debris. The disclosed subject matter provides techniques for administering a suspension of H2O2 and iron oxide nanoparticles to substantially eradicate bacteria within the biofilm matrix, degrading the biofilm matrix, actuating the iron oxide nanoparticles to assemble into a biohybrid robot suitable for removing biofilm debris, and powering the biohybrid robot to remove biofilm debris from accessible or enclosed surfaces. In some embodiments, the disclosed subject matter includes embedding iron oxide nanoparticles in a hydrogel to form a soft robotic structure, administering the soft robotic structure to a biofilm-covered site, and magnetizing the soft robotic structure to substantially eradicate bacteria within the biofilm matrix, degrading the biofilm matrix, and removing biofilm debris from enclosed surfaces.

The invention relates to the technical field of medical data processing, and comprises a big data driven oral treatment planning system, which comprises a tooth form data acquisition module, a microcrack identification module, an occlusion stress data processing module, a restoration form optimization module and a customized treatment recommendation module. According to the method, the reliability of micro-crack identification is improved by acquiring the tooth surface morphology point cloud data, accurately depicting micro details of the tooth surface morphology and screening areas with violent curvature change and continuous space, the areas with large local stress are identified by analyzing the stress conditions of tooth tip staggered contact points in different occlusion states, and the accuracy of micro-crack identification is improved. The contact point form of the local abnormal stress area is adjusted, the long-term stability of the restoration is optimized, the adaptability of a restoration material and tooth tissue under different stress conditions is analyzed, whether the restoration form meets the long-term stress balance requirement or not is comprehensively judged, and the long-term stability and occlusion adaptability of the restoration are ensured.

The invention relates to an intelligent control method and system for an internal cooling wet preparation nickel-titanium root canal treatment file, and solves the problems that traditional control is difficult to adapt to treatment requirements of root canals in different forms, excessive or insufficient cutting is likely to occur, and complications such as root canal wall lateral penetration and instrument breakage are caused. The method comprises the following steps: iteratively optimizing a root canal preparation strategy through a multi-target reward function by taking pressure, temperature, cleaning effect and anatomical characteristics as state spaces and taking a filing tool rotating speed, a motion mode and flushing fluid flow as action spaces, and generating a parameter combination comprising the optimal rotating speed, the optimal motion mode and the optimal flushing fluid flow; the parameter combination is output to a control system to drive the nickel-titanium root canal treatment file to execute corresponding operation, a safety threshold value is dynamically corrected according to the treatment stage and anatomical characteristics, and when the parameters deviate from the threshold value, early warning is triggered and compensation is executed. The method has the advantages that multi-parameter intelligent regulation and control are achieved, and the safety and effectiveness of root canal therapy are improved.

A depth stop for a drilling tool to form a hole of predetermined depth. The depth stop includes an interface portion that couples directly to the shank of the osteotome via interlocking spur and groove features. The interface has a cap flange and a tapered skirt. The underside of the cap flange establishes a reference surface for a tubular key that slides onto the tapered skirt and is held there by friction. The skirt is formed with a relief directly under the cap flange to facilitate haptic confirmation of proper connection. Elongated irrigation windows in the key expose a domed transition on the osteotome, thereby facilitating irrigation. The depth stop can be used, optionally, with an alignment jig designed with a precision guide bushing. The guide bushing is semi-cylindrical and terminates with an internal abutment step against which the lower end of the key engages at full depth.

A cartridge assembly includes a collapsible cartridge having a film cartridge wall and an outlet, the film wall bounding a chamber, the chamber extending along a longitudinal axis of the cartridge. The collapsible cartridge further includes a first end having a head part with the outlet for dispensing material being formed at the head part, a support sleeve including a rigid sleeve wall forming a receiving area to receive the collapsible cartridge. The support sleeve includes first and second ends and a support sleeve axis extending therebetween, two half shells connectable with one another to form the support sleeve and the receiving area therebetween, or, the support sleeve includes a connector to releasably fix the collapsible cartridge inside a respective receiving area of the support sleeve.

Drilling an infected tooth root canal can leave some infected material behind. Heat delivered from within the tooth can be used to disrupt biofilm, disinfect, and / or seal. A cone-shaped flexible device can be inserted into or toward the root canal. The device can include a heating transducer, such as a DC resistive heating element, or an RF heating transducer that can generate heat in a dielectric or semiconductor or polymer active substrate, with a locus of the heat generation controllable by adjusting a frequency of an electrical input signal driving the heating transducer. Thermally conductive fluid can be introduced into the root canal to help distribute heat from the heating transducer to nearby portions of the root canal for heat disinfecting treatment of infected tissue. The active substrate can be heat-softenable, such as to help seal a target region of the tooth.

The present invention relates to diagnostic intraoral scanning and tracking. The present invention relates to methods and apparatus for acquiring, using, and displaying a three-dimensional (3D) volume model of a patient's dental arch. The 3D volume model may include surface information (e.g., color) as well as information about internal structures (e.g., near-infrared (Near-IR) transparency values ​​of internal structures including enamel and dentin).

Apparatuses and methods are provided for displaying the position of a dental file during endodontic treatment. Data showing the morphology of a tooth is obtained. In one embodiment, the data is X-ray image data. A three-dimensional representation of the dental file positioned in the tooth is generated, and a length that the dental file extends from an upper surface of the tooth is determined from the three-dimensional representation. A representation of the dental file is provided in the image of the tooth obtained from the data showing the tooth morphology, with the representation of the dental file being depicted such that a part of the representation of the dental file extends from the upper surface of the tooth in proportion to the length that the dental file extends from the upper surface of the tooth as determined from the three-dimensional representation and such that a remaining part of the representation of the dental file extends into the tooth, with a part of the remaining part of the representation of the dental file being positioned in the root of the tooth in the image. The image of tooth and representation of the dental file may be displayed.

There is disclosed a standardized system for the preparation of an area of a tooth for fitting a dental veneer, and the subsequent installation of the dental veneer onto the tooth, in the prepared area. The system uses a grinding oscillating tip, which is specific for a prefabricated or stock veneer, the prefabricated or stock veneer corresponding to the shape of grinding tip (the tip has the shape of the prefabricated or stock veneer).

An oral appliance is provided for delivering a medicament to at least a portion of teeth and / or soft tissue areas inside a mouth. The oral appliance contains an interior surface having a medicament disposed in or on at least a portion of and / or the entire interior surface of the oral appliance. The interior surface of the oral cavity is formed to fit contours of at least the portion of the teeth and / or soft tissue areas inside the oral cavity and is configured for holding the medicament in contact with at least the portion of the teeth and / or soft tissue areas inside the oral cavity to deliver the medicament to strategic areas in need of treatment. In some embodiments, computer, network and computer readable storage media are provided.

Methods and kits of materials and supplies for restoring teeth by an injection molding process and / or mold overlays in situ in a patient's mouth so as to correct the imperfect teeth of the patient's dentition. The imperfect teeth are corrected by applying restoration materials using a mold of a corrected model of the patients dentition placed over the imperfect teeth. Adjacent teeth may be covered with a polymer release material prior to injection molding of teeth to be corrected, such that the teeth to be corrected have at least one tooth between them draped with the polymer release material to provide a space adjacent to each of the corrected teeth. The corrected teeth are then covered with the polymer release material in a second round of treatment and restoration material is applied to one or more previously covered teeth to provide a first layer which simulates the dentin layer of teeth. Thereafter a simulated enamel layer is applied over the dentin layer using one or more alternating molds and yet another simulated incisal layer is applied over the enamel layer using one or more alternating molds employing the techniques described.

The present disclosure discusses techniques and systems for separating dental models (101) from a thermoformed film (1001). A separation system can include a separator unit with one or more separator rods (1303) extending from the separator unit. The separator rods can fit within channels formed within the dental model and can be used to pull the dental model apart from a thermoplastic film that is thermoformed over the dental model.

A system comprises an image capture device, an augmented reality (AR) display to display, and a processing device. The processing deice receives image data of a dental arch from the image capture device and processes the image data using a plurality of detection rules, where each detection rule detects one or more dental conditions. The processing device determines a dental condition for the dental arch based on the processing, determines a position of an area of interest on the dental arch, wherein the area of interest is associated with the dental condition, generates a visual overlay comprising an indication of the dental condition at the position of the area of interest, and outputs the visual overlay to the AR display, wherein the visual overlay is superimposed over a view of the dental arch on the AR display at the position of the area of interest.

The present invention discloses an anti-wear mouthpiece, which includes a left mouthpiece, a right mouthpiece and a connecting mechanism. The left mouthpiece and the right mouthpiece have the same structure. Both the left mouthpiece and the right mouthpiece include a mouthpiece body symmetrically arranged up and down, and an elastic connecting piece connected between the outer side walls of the upper and lower mouthpiece bodies; the mouthpiece body includes a contoured tooth groove for accommodating teeth, and a pair of clamping plates extending outward from the notch of the contoured tooth groove are provided to be movably engaged with the gums. Advantages: The present invention has a simple structure, and the distance and relative angle between the left and right mouthpieces can be adjusted through the connecting mechanism, and the height of the adjusting plate in the contoured tooth groove can be adjusted through the adjusting structure to be suitable for different users, and the applicability is strong and the manufacturing cost is low; the mouthpiece disclosed in the present invention is set on the outside of the teeth, and can replace the teeth to chew food, thereby solving various problems caused by excessive use of teeth, avoiding the aggravation of tooth problems, ensuring the normal eating of users, and reducing the wear on teeth.