143 results about "Maxillary tooth" patented technology

An intraoral mandibular advancement device to treat sleep disorders in a user having an obstructed airway includes a maxillary appliance with a main body for removable attachment to the maxillary teeth; a protrusive element distending from the central portion of the main body; and retention means extending from the main body for retention of the device on the maxillary teeth during sleep. A mandibular appliance removably attaches to the mandibular anterior teeth and includes a lingual spacer that extends posteriorly from the mandibular anterior teeth. The anterior aspect of the protrusive element of the maxillary appliance contacts the posterior edge of the lingual space and thereby causes mandibular advancement.

A pharyngeal airway adjuster, or mandible positioning device, has a maxillary dentition engagement component and a mandibular dentition engagement component, each on opposite sides of a plane extending therebetween. An adjustable connection couples the maxillary dentition engagement component with the mandibular dentition engagement component. The adjustable connection has a first adjustment screw having a longitudinal axis parallel to the plane and a second adjustment screw having a longitudinal axis perpendicular to the plane. The first and second adjustable screws are independently adjustable and structured to effect horizontal and vertical displacement, respectively, of the maxillary dentition engagement component relative to the mandibular dentition engagement component. The pharyngeal airway adjuster has a number of indicators adapted to indicate the amount of forwardly and rearwardly displacement effected by the first adjustment screw and / or the amount of upwardly and downwardly displacement effected by the second adjustment screw.

A custom mouthguard has a resilient U-shaped body with an anterior wall and a posterior wall. A post dam on the posterior wall forms a seal with palatal tissue to increase retention of the mouthguard in a wearer's mouth. The increased retention allows a wearer to speak and open mouth breath while wearing the mouthguarrd. The mouth guard also has an indexed region that serves to mutually stabilize maxillary teeth, mandibular teeth, mandible and TMJ components. Mouthguard methods and processes are also disclosed.

An intraoral mandibular advancement device to treat sleep disorders in a user having an obstructed airway includes a maxillary appliance with a main body for removable attachment to the maxillary teeth; a protrusive element distending from the central portion of the main body; and retention means extending from the main body for retention of the device on the maxillary teeth during sleep. A mandibular appliance removably attaches to the mandibular anterior teeth and includes a lingual spacer that extends posteriorly from the mandibular anterior teeth. The anterior aspect of the protrusive element of the maxillary appliance contacts the posterior edge of the lingual space and thereby causes mandibular advancement.

An intraoral mandibular advancement device to treat problems associated with sleep disorders in a user having an obstructed airway, the disorders including, without limitation, snoring, obstructive sleep apnea, gastroesophageal reflux disease and / or bruxism having a main body for attachment to the user's mouth and having a central portion; a protrusive element distending from the central portion of the main body such that when worn by the user the element causes mandibular advancement sufficient to expand the oropharangeal space and reduce the obstruction; and a retainer extending from the main body for retention of the device in the user's mouth when worn during the user's sleep state. The main body is either complimentary with the user's palate and lingual surfaces of the maxillary teeth, rests against the palate and lingual surface of the user's anterior mandibular teeth when the device is inserted in the user's mouth, or customized to rest against two, four or six of the user's front teeth. The protrusive element is of distension between 5 and 15 mm, and optimally 10 mm downwardly from the main body, and can be adjusted such that the advancement ranges between 1.0 and 7.0 mm, and having an initial treatment protrusion of 3.0 to 4.0 mm, or ½ of the total potential maximum protrusive range. A method for diagnosis and delivery of the device is also shown.

An oral treatment device that emits light onto surfaces of a user's teeth. In one aspect, the oral treatment device includes an intraoral mouthpiece. The mouthpiece comprises: a first light emitting surface configured to emit light onto a user's maxillary teeth, the first light emitting surface having a concave curvature; a second light emitting surface configured to emit light onto a user's mandibular teeth, the second light emitting surface having a concave curvature; the first and second light emitting surface located on opposite sides of a horizontal reference plane; the first light emitting surface inclined so that a first acute angle is formed between with the first light emitting surface and the horizontal reference plane; and the second light emitting surface inclined so that a second acute angle is formed between with the second light emitting surface and the horizontal reference plane.

An upper tray for receiving the maxillary teeth and a lower tray for receiving the mandibular teeth. Upper bite pads carried by the upper tray and lower bite pads carried by the lower tray. The lower bite pads located anterior to the upper bite pads so that the lower bite pads are free to engage the maxillary occlusal surface of the upper tray, and the upper bite pads are free to engage the mandibular occlusal surface of the lower tray to maintain the occlusal surfaces of the trays in a predetermined spaced relationship. The upper and lower bite pads are arranged to abut each other for advancing the mandible and preventing posterior movement of the mandible while allowing limited vertical and lateral movement. The bite pads are releasably carried by the trays for interchanging different sizes of pads to customize the appliance to the needs of the user's mouth.

An oral apparatus for mandibular jaw manipulation which in some embodiments may include: an upper tray configured to receive a plurality of maxillary teeth and which may have a first upper anchor member coupled to a first side of the upper tray and a second upper anchor member coupled to a second side of the upper tray; a lower tray configured to receive a plurality of mandibular teeth and which may have a first lower anchor member coupled to a first side of the lower tray and a second lower anchor member coupled to a second side of the lower tray. The first upper anchor member may be configured to contact the first lower anchor member and the second upper anchor member may be configured to contact the second lower anchor member to adjust the positional relationship between the mandible and the maxilla of a mouth.

An occlusion correction improvement instrument includes an upper mold-mounting member provided with a plate-shaped member that is parallel to a Camper's plane of an upper model having a makeup surface of a maxillary tooth row and with a plane parallel to the Camper's plane when the upper mold-mounting member has been mounted on the upper model; and a lower mold-mounting member mountable on a lower model having a makeup surface of a mandible tooth row and provided with a pin-shaped projection portion that can be fixed, with a position thereof adjusted from side to side and up and down, and with an adjustment member that can adjust a position of the lower mold-mounting member relative to the upper mold-mounting member on the plane parallel to the Camper's plane, with the projection portion abut on the plate-shaped member of the upper mold-mounting member.

A custom mouthguard has a resilient U-shaped body with an anterior wall and a posterior wall. A post dam on the posterior wall forms a seal with palatal tissue to increase retention of the mouthguard in a wearer's mouth. The increased retention allows a wearer to speak and open mouth breath while wearing the mouthguarrd. The mouth guard also has an indexed region that serves to mutually stabilize maxillary teeth, mandibular teeth, mandible and TMJ components. Mouthguard methods and processes are also disclosed.

A mandibular advancement device used in the management of snoring, obstructive sleep apnea, TMD and bruxism and jaw clenching, comprises a maxillary tray for receiving / retaining maxillary teeth, a mandibular tray for receiving / retaining mandibular teeth, and one to two advancement member(s) / prong(s) located on the mandibular tray at the anterior region thereof. The advancement member(s) / prong(s), when in use, contact the outer surface of the maxillary tray in an anterior region thereof, thereby advancing and retaining the mandible and tongue in a protrusive position. Raized occlusal surfaces / bite pads in a region contiguous and posterior to the advancement prong(s) allow a passive tongue retaining gap or space to be formed in the anterior and posterior regions of the device. A lingual retaining strap may be provided between opposite posterior portions of the mandibular tray to passively retain the tongue in a protruded, non-obstructive position.

A mandibular advancement device used in the management of snoring, obstructive sleep apnea, TMD and bruxism, comprises a maxillary tray for receiving / retaining maxillary teeth, a mandibular tray for receiving / retaining mandibular teeth, and at least two advancement members / prongs located on the mandibular tray at the anterior-lateral regions thereof. The advancement members / prongs, when in use, contact the outer surface of the maxillary tray in an anterior-lateral region thereof, thereby advancing / retaining the mandible and tongue in a protrusive position. Raised occlusal surfaces / bite pads in a region contiguous and posterior to the advancement prongs allow a passive tongue retaining gap or space to be formed in the anterior and posterior regions of the device. A lingual retaining strap may be provided between opposite posterior portions of the mandibular tray to passively retain the tongue in a protruded, non-obstructive position.

Sets of posterior teeth which may be used for the production of dentures; the sets including a first set of posterior teeth which provide for lingualized occlusion, and a second set of posterior teeth which provide zero degree monoplane occlusion surfaces. The second set includes maxillary and mandibular premolars and molars, all of the teeth having flat lingual and buccal cusps and a central mesial-distal fossa between the cusps, the central mesial-distal fossa of the mandibular teeth being designed to accommodate the lingual cusps of the maxillary teeth of the first set. The second set has been designed with full length premolars which are of sufficient length to harmonize with canines, the premolars being provided facial surfaces having a cusp like effect by having marginal ridges slightly lower than the center of the buccal and lingual cusps.

The invention provides an oral appliance manufacturing method for adjusting the relative position of the upper jaw and the lower jaw. The appliance manufacturing method includes the steps that an integrated upper-jaw digital model integrated with an upper-jaw pad model and an upper-jaw tooth model and an integrated lower-jaw digital model integrated with a lower-jaw pad model and a lower-jaw tooth model are generated; a manufacturing system is controlled by the integrated upper-jaw digital model and the integrated lower-jaw digital model to manufacture an upper-jaw appliance body and a lower-jaw appliance body, wherein the upper-jaw appliance body is basically a negative model of a positive model represented by the integrated upper-jaw digital model, the lower-jaw appliance body is basically a negative model of a positive model represented by the integrated lower-jaw digital model, wherein the relative position of the upper jaw and the lower jaw of a patient conforms to a correcting target through the integrated upper-jaw digital model and the integrated lower-jaw digital model under the occlusion state of wearing the upper-jaw appliance body and the lower-jaw appliance body.

To provide a tongue muscle-strengthening device which can prevent or recover a poor posture that is attributed to no development of lingual adhesion in the mandible to the skull due to the decreased function of tongue muscles, stress-induced disorder that is attributed to the hyperfunction of the masticatory muscle group and tongue muscles in the cerebral cortex motor area, as well as the dysfunction and an aesthetic impairment of the mouth and which can actualize lingual adhesion. The tongue muscle-strengthening device in the invention of this application is composed of the part of maxillary teeth contact that is in contact with the maxillary teeth, the parts of dorsum of tongue and palate contact that are respectively in contact with the dorsum of tongue and palate, as well as the part of connection that connects the part of maxillary teeth contact with the parts of dorsum of tongue and palate contact. The user brings the part of palate contact into contact with the palate by inserting the part of maxillary teeth contact into the maxillary teeth, by bringing the part of dorsum of tongue contact into contact with the dorsum of tongue, by bringing the lingual apex into contact with the part of lingual apex contact, and by elevating the dorsum of tongue, and maintains the condition for a while. The elasticity of the part of connection places a sustained and strong burden on tongue muscles and strengthens tongue muscles. Furthermore, the tongue muscle-strengthening device in the invention of this application has good usability because it is an intraoral device.

The invention provides artificial teeth arranged in plates attached in an oral cavity as a dental prosthetic appliance, in which arrangement direction indication parts showing a directivity of arrangement in the plates extending in an apical-cervical direction or in a mesiodistal direction are provided at a vestibular side or an oral side. The arrangement direction indication parts extending in the apical-cervical direction are positioned linearly as seen from the vestibular side in a occluded state of mandibular teeth and maxillary teeth. The arrangement direction indication parts extending in the mesiodistal direction are positioned linearly as seen from the vestibular side in the state arranged in plates. The artificial teeth are arranged at an appropriate position according to an oral environment of each patient, without requiring advanced skills and experiences.

The dental splints are used for treating temporomandibular disorders, clenchers, bruxism and headaches resulting from improper alignment of the jaws. The dental splints include a maxillary splint and a mandibular splint. Both splints are formed from stents having a U-shaped trough filled with a dental acrylic and cured in situ on the patient's maxillary teeth and mandibular teeth, respectively. The apparatus includes a maxillary plane analyzer and a holding plate. The holding plate is a U-shaped plate having a central slot for receiving a stem of the plane analyzer and a plurality of recesses for receiving temporary cleats extending from the maxillary stent. The plane analyzer includes a handle, a U-shaped base mounted on the handle and including a pair of arms adapted for extending to either side of the mandible, a stem extending between the arms of the base, and a cruciform upright mounted on the handle.

A mouth guard with a uniform shape adapts to occlusion shapes and fits closely to teeth at an occlusion position. The mouth guard is attached to a maxillary tooth row. The mouth guard is formed from a continuous pore high-polymer material to have a characteristic that includes a plateau region of a stress to a compression strain. The mouth guard utilizes the characteristic to fit closely to the tooth rows at the occlusion portion between upper and lower tooth rows, to apply even stress to the tooth rows contacting the occlusion portion. As this result, the mouth guard provides an excellently close-fitting degree and high safety owing to high impact absorption power.

An oral apparatus for mandibular jaw manipulation is provided. The apparatus having an upper tray configured to receive a plurality of maxillary teeth and a lower tray configured to receive a plurality of mandibular teeth. The upper tray may optionally have one or more upper anchor members configured as adjustable upper anchor members coupled to the upper tray. The lower tray may optionally have one or more lower anchor members configured as adjustable lower anchor members coupled to the lower tray. Each upper anchor member, which may be adjustable, may be configured to contact a lower anchor member, which may be adjustable, to adjust the positional relationship between the mandible and the maxilla of a mouth when a user wearing the oral apparatus closes their mouth to bring the upper and lower anchor members into contact with each other.

A dental impression apparatus for obtaining a patient's dental impression is provided. The dental impression apparatus includes a support frame of a predefined shape, a partially permeable membrane mounted on the support frame, and absorbent barrier members. The support frame includes a distal member, a buccal edge member, and a lingual edge member. The absorbent barrier members mounted to the buccal edge member and the lingual edge member of the support frame define opposing troughs separated by the partially permeable membrane. The opposing troughs receive the patient's mandibular teeth and maxillary teeth. The opposing troughs are deposited with a first impression material and / or a second impression material for obtaining the dental impression of the patient. The absorbent barrier members confine a flow of the first impression material and the second impression material within the opposing troughs, when the patient applies a biting force within the opposing troughs.

Provided is an occlusal state identifying method executed by a processor included in an occlusal state identifying apparatus. The occlusal state identifying method includes obtaining maxillary shape data and mandibular shape data; arranging a maxillary image including a plurality of maxillary teeth corresponding to the obtained maxillary shape data and a mandibular image including a plurality of mandibular teeth corresponding to the obtained mandibular shape data such that corresponding teeth oppose each other; executing a moving process of moving at least one of the arranged maxillary image and mandibular image by executing a dynamic simulation; and identifying a positional relationship between the maxillary image and the mandibular image after the moving process as a positional relationship corresponding to an occlusal state of the maxillary teeth included in the maxillary image and the mandibular teeth included in the mandibular image.

The invention relates to a full-tooth automatic toothbrush. The full-tooth automatic toothbrush comprises a driving motor, a power supply, a control device and a brush head; the brush head is arc-shaped and can be contained in an oral cavity; semi-surrounded brush surfaces are arranged up and down along the shape of the brush head; and each brush surface is provided with an inner-tooth brush surface, an outer-tooth brush surface, an occlusion brush surface and a hair-planting beam. The electric toothbrush can clean maxillary teeth and mandibular teeth simultaneously, and the driving motor is positioned on the inner side of the brush head. The invention provides the electric toothbrush which is higher in efficiency and convenient to operate, accords with the physiological structure of a human body and can correct bad tooth-brushing action to avoid tooth injury; and through setting of the motor position, the kinetic energy of the motor can be effectively transmitted, the brush head adheres to the teeth well, and cleaning dead corners are avoided. In the use process of the full-tooth automatic toothbrush, double hands can be liberated.

A teeth grinding preventing device to be put in an oral cavity of a user includes a main body portion formed into a substantially arcuate shape along a curve of a maxillary teeth alignment of the user and configured to cover an occluding surface of the maxillary teeth, a sensor portion embedded in the main body portion to extend in parallel to the occluding surfaces of maxillary and mandibular teeth and configured to detect an occlusal force and output a detection signal, a teeth grinding determining portion configured to receive the detection signal and determine whether or not the user is grinding the teeth, and a stimulation providing portion configured to provide the user with a stimulation when the teeth grinding determining portion determines that the user is grinding the teeth, and the stimulation providing portion is provided to be mountable and demountable with respect to the main body portion.

The invention relates to an adjusting guide making method. The method comprises following steps: an upper jaw 3D model and a lower jaw 3D model of a patient are obtained with a 3D scanning technology,and a 3D position relation of upper jaw dentition and lower jaw dentition of the patient in different states is obtained; an occlusion contact relation of the patient in different states is obtainedon the basis of the 3D position relation; lower jaw positions of the patient in different states are gathered in 3D software, a repair form of upper jaw anterior teeth is designed based on this, and adiagnostic model is formed; an ideal repair effect of the upper anterior teeth of the patient and a position relation of the upper anterior teeth and the lower jaw dentition in different states are obtained through 3D design on the basis of the 3D model; occlusal interference is avoided by adjusting incisal form of lower jaw anterior teeth, and an adjusting guide is designed by the 3D software onthe basis of the adjusted incisal form of lower jaw anterior teeth; and the diagnostic model and the adjusting guide are obtained through 3D printing. The adjusting guide made with the method can rapidly and accurately adjust and grind dental tissue.