73results about "Dental splints" patented technology

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.

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.

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.

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

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 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.

The application relates to the technical field of oral medical instruments, and discloses a tooth body tissue external fixing sleeve for preventing split of tooth crack, which comprises an elastic unit, a locking unit and a fixing belt, wherein the locking unit is arranged in two, the elastic unit is connected with the locking units on the two sides, the locking unit is provided with a one-way perforation, the fixing belt can pass through the one-way perforation in one direction, the fixing belt passes through the one-way perforations on the locking units at two ends, the fixing belt, the two locking units and the elastic unit form a ring structure, the locking unit can be pasted and fixed on the tooth surface, and a spacing space is arranged between the two locking units. Through the technical scheme, the problems of the existing technology, i.e. the inconvenient operation and the difficult cleaning of the hidden crack tooth fixing mode, are solved.

A lingual retainer can be made of 316LVM stainless steel. A lingual retainer comprising at least one continuous strand of wire can be made of 316 stainless steel, e.g., 316LVM stainless steel. A method for manufacturing a lingual retainer includes twisting a plurality of continuous strands of wire made of 316 stainless steel, e.g., 316LVM stainless steel, coaxially around a continuous strand of wire made of 316 stainless steel, and flattening the plurality of continuous strands of wire made of 316 stainless steel twisted coaxially around the continuous strand of wire made of 316 stainless steel so that the lingual retainer has a flat cross-section.

The present invention relates to a multifunctional resin guide plate for assisting in bonding periodontal splints and a preparation method thereof. The multifunctional resin guide plate includes a loose tooth fixing device and / or a splint positioning device. The splint positioning device is optional and can be detachably connected to the loose tooth fixing device. The present application utilizes full digitalization technology to produce a multifunctional resin guide plate for assisting in bonding periodontal splints based on a digital model of the natural curved surface morphology of teeth. This can avoid problems such as excessive thickness of the bonding layer caused by displacement of loose teeth and solve problems such as adverse stress during the bonding process. Computer-aided design software is used to make the design of the multifunctional resin guide plate intuitive, easy to modify, and convenient to observe. High-precision 3D printing / CNC milling / die-casting molding technology can enable the loose tooth retaining device, splint positioning device, and periodontal splint to be assembled and formed, avoiding assembly difficulties caused by physical errors.

The present technology comprises methods of manufacturing an orthodontic appliance. For example, a method can include forming an orthodontic appliance in an intermediate configuration by a casting process. The method can further include securing the appliance to a shape forming fixture such that the appliance assumes a desired configuration. The shape forming fixture can comprise a gingiva portion including a surface having a shape corresponding at least in part to a gingiva of a patient and a securing portion carried by the gingiva portion and configured to releasably secure to a portion of the appliance. The method can further include setting a shape of the appliance while the appliance is secured to the shape forming fixture.

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.

The invention relates to an occlusion splint arrangement (01), in particular for treatment of sleep apnoea, with a maxillary miniplast splint (02) to be arranged on the maxillary row of teeth and with a mandibular miniplast splint (03) to be arranged on the mandibular row of teeth, wherein the mandibular miniplast splint (03) in a transverse plane (04) can be brought to bear against the maxillary miniplast splint (02), and wherein the mandibular miniplast splint (03) in the transverse plane can be displaced labially in the X direction and buccally in the Y direction relative to the maxillary miniplast splint (02), and wherein the occlusion splint arrangement (01) comprises a positioning means with which the position of the mandibular miniplast splint (03) relative to the maxillary miniplast splint (02) can be defined in the X direction, wherein the positioning means is configured as a fixing band (05) that transmits tensile forces, wherein the two ends of the fixing band (05) are fixable at two fastening elements (08), and wherein the fastening elements (08) are arranged in the left and right molar region (09) of the mandiblar miniplast splint (03), and wherein a middle section (12) of the fixing band (05) is guided on a guide device (11), and wherein the guide device (11) is arranged in the incisor region (10) of the maxillary miniplast splint (02).

Embodiments of the present invention provides an innovative system of mechanically operative Intermaxillary (IMF) clip and its applicator for achieving dental occlusion. The revolutionary design of the system including the Intermaxillary (IMF) clips and its applicator makes use of the embrasure spaces for mechanically locking with teeth. These are teeth specific IMF clips and are numbered accordingly. The application is instant using its applicator and could be applied and removed even by untrained person owing to simple mechanics.

An oral massage device is provided for receipt in the mouth of a user to lessen pressure on the jaws of a user during oral massaging a penis or member of a subject. The oral massage device includes an upper guard defining an upper channel for receiving upper teeth of a user, a lower guard defining a lower channel for receiving lower teeth of a user and a pair of spacer shaft connecting and spacing apart the upper and lower guards and providing support to upper and lower jaws of the user to relieve muscular tension and stress on the upper and lower jaws of the user. The oral massage device includes a stimulation device in the form of a plurality of roller balls or vibratory devices to stimulate the member of the subject. The oral massage device may further include fluid holes formed through the upper guard to deliver flavored liquid or gel located in the upper channel of the upper guard into the mouth of the user.

Disclosed is a computer implemented method for generating a dental appliance including obtaining a first 3D digital surface representation of one or more teeth of a patient; creating a number of points in 3D space around the 3D digital surface representation, calculating the shortest distance from each of the points to the 3D digital surface representation; generating a modified 3D digital surface representation by dilating the surface of the object a defined value by using the calculated distances; and generating a resulting 3D digital surface representation of the dental appliance by erosion of the modified 3D digital surface representation inwards.

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.

The present invention relates to a method and system for manufacturing a retention wire (11), said retention wire (11) having a folded shape following the lingual surface of a denture (12). To this end, a wire made of a shape-memory material and having a rectangular cross-section comprising a plurality of braided strands is assembled in the groove of a mold, said groove defining said folded shape. The shape-memory material is then activated. Figure for the abstract: Figure 1

The oral appliance of this invention moves the mandible forward while avoiding strain on the temporomandibular joint and surrounding muscles. It can be worn for extended periods during sleep, thereby improving snoring. The oral appliance of this invention further expands the space available for the tongue within the oral cavity, while allowing the tongue to naturally reside in front of the palate, thus inducing a switch from mouth breathing to nasal breathing and improving snoring and sleep apnea.