62 results about "Mandibular tooth" patented technology

A bite plate allowing for contact with occlusal and facial and/or lingual maxillary and mandibular teeth is coupled to an extraoral housing containing a rechargeable battery coupled to a vibrator coupled to a processor coupled to data and charging port or ports. The housing is at least water resistant, and a hatch allows access to the data and charging port or ports only. The device is fitted with a very smooth and quiet vibrator, with minimal variance on operating specifications.

A full mouth toothbrush for simultaneously brushing the facial, lingual, occlusal and incisal surfaces of all the maxillary and mandibular teeth is provided. The full mouth toothbrush can include a handle, a power source, a motor assembly, and a drive assembly. The full mouth toothbrush can further include a mouthpiece configured to collectively contact multiple surfaces of multiple teeth simultaneously that brushes and, thus, cleans the teeth and gums.

A bite plate allowing for contact with occlusal and facial and/or lingual maxillary and mandibular teeth is coupled to an extraoral housing containing a rechargeable battery coupled to a vibrator coupled to a processor coupled to data and charging port or ports. The housing is at least water resistant, and a hatch allows access to the data and charging port or ports only. The device is fitted with a very smooth and quiet vibrator, with minimal variance on operating specifications.

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.

A jaw-joint protective device is provided for whitening and brightening a wearer's teeth while protecting the teeth, tongue, lips, jaw, and other delicate structures of the vital cranial triad (VCT) from injury and/or for supporting the condyle of the temporomandibular joint (TMJ) in a relatively fixed (stable) position thereby stabilizing the jaw and the VCT during head contact activity, exercise, physical rehabilitation, C-force acceleration, teeth grinding disorders and sleep apnea and or permit the components of a VCT disorder to be realigned for proper healing. This device is an over-the-counter purchased, boil and bite device for whitening at least one tooth while protecting the jaw-joint, providing maxillary and mandibular teeth seats for protection of the mouth and/or healing of the VCT. This invention provides a device for customized fitting that is purchased over-the-counter that is versatile for protecting not only the mouth but also a larger area, the vital cranial triad which includes the TMJ, while at the same time allows for audible speech, reduces sleep disorders of snoring, grinding and clenching of teeth with additional benefits.

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.

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.

The invention provides a shell-shaped dental instrument, which comprises a first shell-shaped body for at least partially accommodating maxillary teeth and a second shell-shaped body for at least partially accommodating mandibular teeth, the first shell-shaped body is convexly provided with a first convex part towards the jaw facing direction in an area between canine teeth and molars, and the first convex part is used for guiding and adjusting the relation between the upper jaw and the lower jaw; the second shell-shaped body is convexly provided with a second convex part in the jaw aligning direction in an area between canine teeth and molars, and the second convex part is used for adjusting the relation between the upper jaw and the lower jaw in a matched manner; a first reinforcing component is arranged on the first convex part, a second reinforcing component is arranged on the second convex part, and the outer surface of the first reinforcing component and the outer surface of the second reinforcing component are of concave-convex matched structures. When the first shell-shaped body interacts with the second shell-shaped body, the first reinforcing component and the second reinforcing component slide relatively to guide the upper jaw and the lower jaw to a preset occlusion position, and the invention further provides a tooth correction system, a dental instrument design method and a preparation method.

A device for attaching a localization marker to the lower jaw of an individual. The marker includes an inner face provided with two attachment lugs including an intra-oral portion having a general U-shape adapted for coming into contact with the outer face of the teeth of the lower jaw, an extra-oral portion including an attachment element for the marker, a connecting portion connecting the intra-oral portion and the extra-oral portion. The attachment element includes two recesses each adapted for receiving a respective lug of the marker, the recesses being separated by a tab adapted for being elastically deformed when one of the lugs is engaged in a respective recess so as to exert a pressure force on the lug.

The invention discloses a three-dimensional digital dental upper and lower jaw relation detection algorithm based on a cross section. The method comprises the steps of inputting a tooth model, calculating the midpoint of each mandibular tooth model, and constructing a mandibular trajectory by connecting the midpoints of all mandibular tooth models in turn; then, according to the section determinedby the user on the mandibular trajectory line, obtaining the intersection point set of the section and the tooth model. For each pair of upper and lower tooth models, the dental line of upper and lower jaws is constructed by determining the initial point as the positional relationship of upper and lower jaws. The invention utilizes the intersection point of the cross section and the tooth model to determine the upper and lower jaw tooth line segments, which helps to realize the detection of the upper and lower jaw relationship in two dimensions, facilitates the evaluation and analysis of theupper and lower jaw relationship of the teeth in the later stage, and improves the observation accuracy to a certain extent while saving time.

An integrated medical bite block is engaged by a user's teeth and installed into the user's mouth. The bite block includes a through passageway, an upper grove, and a lower grove. The through passageway is penetrating through the bite block. One end of the through passageway comprises an inlet opening, the other end comprises an oral opening. The oral opening is connected with the user's mouth. An upper surface of the bite block provides the upper grove configured for receiving one or more upper teeth (maxillary teeth) of the user, and a lower surface of the bite block provides a lower grove configured for receiving one or more lower teeth (mandibular teeth) of the user. One distance between the lower grove and the oral opening is greater than the other distance between the upper grove and the oral opening, thereby the invention serves to extend forward the mandible and reposition a malposition between the mandible and the maxilla of the user.

The invention relates to the field of medical instruments, in particular to a self-fixing individualized mandible retainer and a construction method thereof. The construction method comprises the following steps: constructing a jaw bone three-dimensional fusion model based on a jaw bone three-dimensional model, a maxillary tooth three-dimensional model and a mandibular tooth three-dimensional model; based on the outer surface of the maxillary dentition, constructing and obtaining a maxillary tooth sleeve retention area, and forming a maxillary tooth retention groove corresponding to the mandibular dentition in the maxillary tooth sleeve retention area; on the basis of the outer surface of the mandibular dentition, constructing a mandibular tooth biteplate area, and forming a mandibular tooth containing groove corresponding to the mandibular dentition in the bottom of the mandibular tooth biteplate area; and constructing an occlusion connection area, wherein the occlusion connection area is connected with the maxillary tooth sleeve retention area and the mandibular tooth occlusion plate area. A user wears the mandible retainer to fix the mandible at a proper position of the mandible designed by a computer by means of the maxillary tooth sleeve and the biteplate, and the proper position of the mandible is adjusted according to the design of different rehabilitation stages of the user, so that the effect of preventing the mandible from retreating after an operation can be achieved.

The invention discloses a Bass biochemical toothbrush. The Bass biochemical toothbrush comprises a handle and a head; the head comprises a hair holder; a left side base and a right side base which are vertical to the hair holder are arranged on the left side and the right side of the hair holder, respectively; a rotating wheel with hair is arranged on the hair holder; a rotating wheel with left hair is arranged on the left side base, and another rotating wheel with right hair is arranged on the right side base; micro motors are arranged in the hair holder, the left side base and the right side base; an occlusal mat is arranged on the rear surface of the hair holder. When in use, a user places the Bass biochemical toothbrush above the maxillary teeth or below the mandibular teeth, slightly bites so that the hair, the left hair and the right hair can be in tight contact with the teeth, then turns on a switch of the micro motors, and pulls the handle to drive the hair, the left hair and the right hair to move in a tremor manner, so as to clean the teeth and gingival. The Bass biochemical toothbrush is ingenious in structure, good in usage effect, and capable of cleaning the gingival without mastering the Bass method of brushing.

The invention discloses a maxillary expansion type occlusal pad used for mixed dentition condylar fracture. The maxillary expansion type occlusal pad comprises a base bracket, function surfaces, tissue surfaces, and a maxillary expansion device; the base bracket is used for coating upper dentition; the tissue surfaces on the upper part of the base bracket are fixedly arranged on oral cavity upperdental crowns of patients via bonding; the base bracket is divided into two parts, including an affected side base bracket and a healthy side bracket, at the center; the affected side base bracket andthe healthy side bracket are connected through the maxillary expansion device; the function surfaces on the lower part of the base bracket are designed to match mandibular teeth. The maxillary expansion type occlusal pad is used for correcting discordant maxilla and mandible width of children condylar fracture, and posterior crossbite, reducing the pressure of affected side condylar process zones, is excellent in matching relationship with canine fossa of antagonist teeth, and is capable of achieving preferable occlusion function recovery. The maxillary expansion type occlusal pad is reasonable in design, is convenient to use, is suitable for patients at deciduous dentition and/or mixed dentition, and especially suitable for patients at deciduous dentition.

The invention discloses a pacifier for preventing tooth deformity, which comprises a mouth body and a sucking head. An upper occlusal part and a lower occlusal part are arranged between the mouth body and the sucking head. The upper and lower occlusal parts are combined in a shape close to the positional relationship between the upper and lower jaws and the teeth when the child's upper and lower jaws occlude; the upper and lower occlusal parts have a certain radian, and the radians are respectively close to the upper and lower occlusal parts of the child. The mandibular teeth are arranged in a radian, and when the infant uses the pacifier, the teeth are evenly stressed and conform to the force of the infant's teeth when they are naturally occluded, so as to avoid tooth deformity.

The invention relates to a mandible guiding corrector, which comprises a brace body and an orthodontic steel wire. The brace body sleeves teeth, and two ends of the orthodontic steel wire are embedded into the brace body. Specifically, the orthodontic steel wire is disposed on the inner side of the teeth in an S or spiral shape and inclines outward from the inside. Maxillary teeth are guided through the orthodontic steel wire disposed on the brace body, so that during occlusion of upper and lower teeth, mandibular teeth can protrude relative to the maxillary teeth. As the orthodontic steel wire adopts an S shaped design, bending parts of the orthodontic steel wire form upper bows and lower bows, thus increasing the the length of the orthodontic steel wire, and at the same time enhancing the elasticity of the orthodontic steel wire. Through cooperation of the orthodontic steel wire and the brace body, the mandible guiding corrector provided by the invention improves the reliability of tooth correction. The mandible guiding corrector has the advantages of simple structure, soft, lasting and easily adjustable action force, and convenient disassembly, brings small foreign body sensation to patients after being worn, causes low ulcer incidence, can guide the mandibular teeth protrusive occlusion of patients, has good correction effect, and is conducive to tooth health.

The embodiment of the invention provides an implanted mobile phone clamping and positioning system and a robot, and relates to the technical field of medical equipment. The implanted mobile phone clamping and positioning system comprises a clamping seat, a positioner and a supporting assembly; a first connecting structure and a second connecting structure are symmetrically arranged on two opposite sides of the clamping seat; the positioner can be detachably connected with the clamping seat through the first connecting structure, and the first end of the supporting assembly is detachably connected with the clamping seat through the second connecting structure; or, the positioner is detachably connected with the clamping seat through the second connecting structure, and the first end of the supporting assembly is detachably connected with the clamping seat through the first connecting structure. When the implanted mobile phone needs to be switched between maxillary teeth and mandibular teeth, the clamping seat and the implanted mobile phone are directly and integrally disassembled, the angle is adjusted, and then the implanted mobile phone and the clamping device are reassembled, so that the problem that the implanted mobile phone and the clamping device are easy to shake when the implanted mobile phone is independently taken down from the clamping seat and then reassembled is solved, and the operation control precision is improved.

A portable self-contained tooth-whitening device includes a compact housing structured and configured to be held in a fixed position adjacent to a human jaw during use; at least a first array of LEDs disposed in a first plane at a front side of the housing and arranged to deliver blue visible light or near-visible UV light of at least a threshold intensity to substantially all anterior surfaces of anterior maxillary teeth or anterior mandibular teeth of the human jaw, wherein the first array of LEDs forms at least two intersecting arcs, each of which is disposed in the first plane and has its own focal point located outside the device; and at least one battery cell powering the array of LEDs.

The invention discloses a smart toothbrush. The smart toothbrush comprises a U-shaped toothbrush sleeve, wherein the U-shaped toothbrush sleeve is composed of a U-shaped maxillary tooth sleeve and a U-shaped mandibular tooth sleeve; the bottom of the U-shaped maxillary tooth sleeve is integrally connected with the bottom of the U-shaped mandibular tooth sleeve through an elastic board; the bottomof the U-shaped outer side of the U-shaped toothbrush sleeve is provided with a handle; the U-shaped maxillary tooth sleeve is provided with a groove matched with maxillary teeth, and the two oppositeside walls of the groove are provided with a plurality of swingable electric brushes; the U-shaped mandibular tooth sleeve is provided with a first groove matched with the mandibular teeth, and the two opposite side walls of the first groove are provided with a plurality of swingable first electric brushes. The smart toothbrush has the advantages that it is only needed that the U-shaped toothbrush sleeve is put into the oral cavity when a user brushes the teeth, and a tooth brushing operation instruction is input through an instruction input button, so that the smart toothbrush can drive theelectric brushes and the first electric brushes to run according to the working modes and working time in the tooth brushing operation instruction respectively, thereby achieving the purpose of helping the user complete the tooth brushing operation, and being suitable for people having difficulty in moving hands.