99results about "Dental splints" patented technology

A process for manufacturing a retainer, said process comprising the following steps: a) at an update time, after the end of an orthodontic treatment, acquiring at least one two-dimensional image of at least one portion of a dental arch of a user, called the “updated image”, by means of an image-acquiring apparatus; b) generating a digital three-dimensional model representing the dental arch of the user, called the “updated model”, based on the updated image; c) designing, based on the updated model and preferably by computer, a retainer suitable for keeping teeth in their configuration at the update time; d) manufacturing the retainer.

The present disclosure discusses devices and methods for securing dental models (100) to a thermoform plate (200) prior to thermoforming a polymer onto the dental model. The present disclosure also includes a system and method for separating a thermoformed polymer from a thermoform plate and dental model. Additionally, the present disclosure discusses a system capable of automating the process of forming an orthodontic aligner.

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

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

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

An oral trauma stabilizer includes an upper stabilizer and a lower stabilizer. A plurality of shock absorbers couple the upper stabilizer to the lower stabilizer. The upper and lower stabilizers have an arcuate body extending from a first end to a second end. A channel is formed in each arcuate body and extends along a length from the first end to the second end of the arcuate body. A cross section of each channel may vary along the length of the respective channel. In use, the oral trauma stabilizer stabilizes an injured tooth, bone, or other portion of a patient's oral anatomy using non-affected portions of the dentition or other oral anatomy to secure the oral trauma stabilizer in place.

A reversibly deformable dental appliance comprised of a polymeric sheet composition, comprising: at least two outer layers A and C and a middle layer B, wherein the A and C layers individually comprise a thermoplastic polymer having a modulus of from about 1,000 MPa to 2,500 MPa and a glass transition temperature and / or melting point of from about 80 °C to 180 °C and the middle B layer is comprised of at least an elastomer having a modulus of from about 50 MPa to about 500 MPa and one or more of a glass transition temperature and / or melting point of from about 90 °C to about 220 °C, wherein the A and C layers are comprised of a copolyester and wherein the elastomeric middle layer and the outer layers can reversibly move relative to each other and have a lateral restoring force of less than 100 N per cm2 when displaced by 0.05 mm to 0.1 mm relative to each other.

Apparatus to be worn in the mouth, such as a mouthguard or gumshield or an orthodontic aligner or retainer, includes tooth-adjacent surfaces and a material to be released into the mouth of the user, e

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

A mandibular advancement device with enhanced stability, including an upper tray assembly formed by an upper moldable component and an upper bracket, and a lower tray assembly formed by a lower moldable component and a lower bracket. The upper bracket and the lower bracket each extend a front wall from their front side edges near the labial side, while at least the lower bracket extends a rear wall along the median sagittal plane from the rear side edge near the lingual side. The stability is achieved by inclining the front wall of at least the upper bracket towards the lingual side. The rear wall of the lower bracket works in conjunction with the front wall to clamp the lower dental arch. Additionally, the stability feature includes a molar clamping section, further enhancing the overall stability of the mandibular advancement device.

A device and method treating Trismus in a patient. The device is configured to be located completely within the mouth of the patient and includes a pair of teeth-receiving plates and at least one adjustable biasing assembly. The adjustable biasing assembly pivotably interconnects the teeth-receiving plates and is adjustable to establish a desired spacing between anterior portions of the teeth-receiving plates, and also provides a force to the teeth-receiving plates tending to bias the anterior portions of those plates to the desired spacing.

An oral appliance allows the mandible to move forward, without putting strain on the temporomandibular joint and surrounding muscles, so that the oral appliance may be worn for a long time during sleep, thereby improving snoring. In addition, the oral appliance allows the tongue to move forward together with the mandible so that the tongue is naturally placed in the anterior region of the palate to induce conversion of mouth breathing to nasal breathing, thereby improving both snoring and sleep apnea.

The present invention relates to a device (1) for bonding a retaining wire (2) to a tooth (3). Said device (1) comprises a first part (11) and a second part (12) having respectively a first set of receiving zones (111) and a second set of receiving zones (121) for said retaining wire (2), assembly means (112, 122) between said parts (11, 12), and positioning means (115, 125) on said tooth (3). When said parts (11, 12) are assembled, the movement of said retaining wire (2) is blocked. The assembly means (112, 122) and the second set of receiving zones (121) are configured to allow a joint movement of dissociation of the second part (12) with respect to the first part (11) and of release of the retaining wire (2) with respect to the second set of receiving zones (121). Figure 1

An arch bar system for maxillomandibular fixation is disclosed. A contourable, trim-to-fit bar includes a series of elongated oval apertures oriented substantially parallel to the bar axis. The apertures guide wire, coated suture, or other ligatures at varied approach angles, limit vertical clearance to resist slippage, and cooperate with intervening structural columns to distribute loads while the bar is cinched to teeth. Low-profile depending attachment features—cleats and / or J-hooks—project below the lower edge to receive interarch wire loops, guiding elastics, or other connectors. All patient-facing edges and transitions are radiused to minimize gingival and mucosal trauma. Bars may be metal or engineered polymer and segmentable for partial-arch use. Methods include threading ligatures through successive apertures to secure each bar and joining opposing bars at the depending features. Kits include paired bars, ligatures, interarch connectors, and tools.

The present invention provides an adjustable mandibular repositioning appliance including first and second connecting members and a link arm which is pivotable about an axis wherein protrusive positioning of the mandible is provided by relative positioning of the link arm along aid axis, to kits and couplings for making a readily adjustable mandibular appliance, to a system for providing a readily adjustable mandibular repositioning appliance and methods of use.

A manufacturing system comprises a holder, a robot arm, a press and a laser. The holder is configured to receive a feature of a dental appliance and to hold the dental appliance by clamping the feature of the dental appliance, wherein the holder holds the feature of the dental appliance at a reference position. The robot arm is configured to retrieve an object and to place the object against the feature at the reference position. The press is configured to apply pressure to press the object against the feature of the dental appliance while the dental appliance is held by the holder. The laser is configured to expose an interface of the dental appliance and the object to coherent light to weld the object to the feature of the dental appliance while the press presses the object against the feature of the dental appliance.

An oral training appliance for training the tongue and lips of a person is disclosed. The appliance comprises a U shaped body comprising a front section and two arms, an inner wall and an outer wall. A tongue training member extends from the inner wall and is moveable in response to movement by the user's tongue from a rest configuration to a training configuration. The appliance also comprises a lip training member and is moveable in response to movement of a user's lower lip from a rest configuration to a training configuration and the lip training member is biased towards the rest configuration.

A plate (4) intended to be rigidly fixed to a retention element (6) of a retention device (1), said plate (4) comprising an inner face (2) intended to be rigidly fixed to a face (101a, 101b) of a patient's tooth (101), an opposing outer face (3), and a lateral edge (5) forming the junction between the inner face (2) and the outer face (3), the inner face (2) being shaped in part to correspond to at least a portion of the relevant face (101a, 101b) of the tooth (101), the plate (4) further comprising at least one notch (7) on the inner face (2), the notch (7) comprising an opening (7a) leading to the lateral edge (5) of the plate so as to allow the insertion of a tool (20) into the notch (7) when the inner face (2) of the Plate (4) is fixed to the tooth (101). Figure for the abbreviation: figure 2

An orthodontic system for a phased hybrid orthodontic method includes a level-and-align-dentition aligner unit, a closing-teeth-gap brace unit and a detailing-alignment-and-bite-positioning aligner unit. The level-and-align-dentition aligner unit is configured to be placed on an initial dentition so as to obtain a modified dentition, and a material of the level-and-align-dentition aligner unit includes a thermoplastic polymer. The closing-teeth-gap brace unit is configured to be fixed on the modified dentition so as to obtain a closed-teeth-gap dentition, and the closing-teeth-gap brace unit includes a first metal brace, two second metal braces and two closing members. Each of the two closing members includes a first end, a spring structure, and a second end. The detailing-alignment-and-bite-positioning aligner unit is configured to be placed on the closed-teeth-gap dentition so as to obtain a fixed-form dentition, and a material of the detailing-alignment-and-bite-positioning aligner unit includes a thermoplastic polymer.

A three-dimensional orthodontic retainer and an improved method for producing a three-dimensional orthodontic retainer so that the advantages of the known retainers and methods for their production are maintained, where the starting material of the three-dimensional orthodontic retainer is worked directly into the desired final form without deformation or other alterations in the material properties. At the same time, the retainer should have the least possible effect on the functions using the jaw such as eating, laughing, and on the aesthetics of the teeth.

The invention relates to a device and a method for determining information about at least one section of a dental arch.

To provide a dental appliance and a polymer sheet composition capable of dissipating impact forces, being thin, and not interfering with the natural occlusion of human teeth.SOLUTION: The polymeric sheet composition is useful for making dental devices having an outer layer composed of a "hard"material having a modulus of about 1, 000 MPA to 2, 500 MPA and an inner core composed of an elastomeric material or a "soft" material having a modulus of about 50 MPA to 500 MPA, exhibiting improved flexibility and strength, and stain and tear resistance better than currently available materials and dental devices.SELECTED DRAWING: FIG. 1A

A method for processing an image, an electronic apparatus performing the same, and a computer readable storage medium storing the same may be provided. The method for processing an image includes receiving at least one intraoral image, aligning the at least one intraoral image to a occlusal plane, setting an inner surface of a splint based on the at least one aligned intraoral image, setting an outline of the splint based on the at least one intraoral image, setting an outer surface of the splint based on the outline, and displaying the at least one intraoral image, to which the splint is applied, generated based on the outer surface.

An arch bar system for maxillomandibular fixation is disclosed. A contourable, trim-to-fit bar includes a series of elongated oval apertures oriented substantially parallel to the bar axis. The apertures guide wire, coated suture, or other ligatures at varied approach angles, limit vertical clearance to resist slippage, and cooperate with intervening structural columns to distribute loads while the bar is cinched to teeth. Low-profile depending attachment features—cleats and / or J-hooks—project below the lower edge to receive interarch wire loops, guiding elastics, or other connectors. All patient-facing edges and transitions are radiused to minimize gingival and mucosal trauma. Bars may be metal or engineered polymer and segmentable for partial-arch use. Methods include threading ligatures through successive apertures to secure each bar and joining opposing bars at the depending features. Kits include paired bars, ligatures, interarch connectors, and tools.

A splint device for robotically-guided surgery includes elongate co-extending first and second splint portions each defining spaced-apart relief holes between first and second ends. A first separability provision is disposed between and extends along the first and second splint portions. A tracking portion is engaged with and extends outwardly from the first or second splint portion and extending outwardly therefrom, and has a kinematic mount engaged therewith. A second separability provision extending between one of the relief holes of the first splint portion and one of the relief holes of the second splint portion, wherein the second separability provision is arranged to be severable so as to facilitate adjustability of a length of the first and second splint portions and the first separability provision. The splint device can include a tool calibration provision or a fiducial marker element disposed in a predetermined disposition relative to the kinematic mount.

The invention relates to the technical field of oral cavity medical instruments, and provides a tooth tissue outer fixing sleeve for preventing subfissure of teeth from splitting, the tooth tissue outer fixing sleeve comprises an elastic unit, two lock catch units and a fixing band, the two sides of the elastic unit are connected with the lock catch units respectively, the lock catch units are provided with one-way through holes, and the fixing band is provided with one-way through holes. The fixing band can penetrate through the one-way penetrating holes in one direction, the two ends of the fixing band penetrate through the one-way penetrating holes in the lock catch units respectively, the fixing band, the two lock catch units and the elastic unit form an annular structure, and the lock catch units can be fixed to the surfaces of teeth in an adhering mode. And an interval space is arranged between the two lock catch units. By means of the technical scheme, the problems that in the prior art, a hidden crack tooth fixing mode is troublesome to operate and difficult to clean are solved.

An oral trauma stabilizer includes an upper stabilizer and a lower stabilizer. A plurality of shock absorbers couple the upper stabilizer to the lower stabilizer. The upper and lower stabilizers have an arcuate body extending from a first end to a second end. A channel is formed in each arcuate body and extends along a length from the first end to the second end of the arcuate body. A cross section of each channel may vary along the length of the respective channel. In use, the oral trauma stabilizer stabilizes an injured tooth, bone, or other portion of a patient's oral anatomy using non-affected portions of the dentition or other oral anatomy to secure the oral trauma stabilizer in place.

The present invention relates to a milling blank for generating a splint, comprising at least two phases, particularly a flexible phase FP and a stiff phase SP, characterised in that the stiff phase SP has a higher Shore hardness at body temperature than the flexible phase FP at body temperature, namely at least 15 Shore D higher.

The invention relates to a recycling process for contaminated polyolefins, in particular HDPE, in which the contaminated polyolefin is swollen using a solvent, whereby impurities present in the polyolefin dissolve in the solvent, and then the solvent and the impurities dissolved in the solvent are removed from the polyolefin. The contaminated polyolefin material is processed into pieces, for example, flakes, before swelling. The pieces have a maximum dimension of 40, 30, or 25 millimeters, with the maximum dimension being defined by the distance between the furthest points of a piece.

An orthodontic retainer for stabilization of plurality of teeth is provided, which includes at least one first textured group of layer for improving adhesiveness contacting with inner surfaces of teeth, at least one second textured group of layer for preventing biofilm entities positioned interdental places of teeth, wherein the orthodontic retainer is formed in one piece.