53 results about "Upper Jaw Tooth" patented technology

When there is an obstruction to the passage of air through the back of the mouth and nose, the soft palate and the bell collide, producing a vibration called snoring. There are various ways of reducing or eliminating snoring, nasal masks introducing air pressure to the throat (CPAP), surgery of the throat (OPPBA) and devices that are introduced into the mouth to cause a mandibular advancement what increases the oropharyngeal area, improving ventilation, among other solutions. The present invention disclosure an intraocclusal removable device in the form of a “U” that is placed covering all of the upper jaw teeth, wherein two steps, one in each extreme of the lower part of the element, which impede the mandible be closed completely on its normal occlusion, forcing it to produce a forward displacement of the lower jaw.

The invention discloses an automatic tooth arrangement method and an automatic tooth arrangement device, relating to the medical field of digital orthodontics, and solving the problem that the automatic tooth arrangement is poor in accuracy. The main technical scheme is as follows: the automatic tooth arrangement method comprises the following steps: acquiring three-dimensional data of dentition needing orthodontics and three-dimensional data of craniofacial jaw bone; selecting feature points on the three-dimensional data of the dentition and the three-dimensional data of the craniofacial jaw bone; constructing tooth arrangement planes and dental arch curves according to the selected feature points, wherein the tooth arrangement planes comprise a median sagittal plane, a horizontal plane and a tooth arrangement occlusal plane, and the dental arch curves comprise an upper jaw tooth arrangement curve and a lower jaw tooth arrangement curve; moving teeth in the three-dimensional data of the dentition according to the preset tooth positions, so that a target dentition after orthodontics is formed, and the preset tooth positions comprise the target upper and lower dentition sagittal position, the target upper and lower dentition vertical position, and the target upper jaw and lower jaw among-dentition position. The automatic tooth arrangement method and the automatic tooth arrangement device are mainly used for the tooth arrangement in the orthodontics.

The invention relates to a maxillary bone repair stent which can be in line with requirements on large-area maxillary bone defect shape repair and the like and a manufacturing method thereof. The maxillary bone repair stent is characterized in that the maxillary bone repair stent comprises a maxillary bone-shaped stent body, four protrudent connecting areas with sunk hole array structures are sequentially distributed on the upper edge of the maxillary bone-shaped stent body, and the connecting areas are the right cheekbone connecting area, the right piriform aperture connecting area, the leftpiriform aperture connecting area and the left cheekbone connecting area respectively; a piriform aperture shape repair area is arranged between the right piriform aperture connecting area and the left piriform aperture connecting area; a maxillary bone grafting area is distributed on the lower edge of the maxillary bone-shaped stent body; a maxillary alveolar area is distributed between the upperedge and the lower edge of the maxillary bone-shaped stent body; and the maxillary bone grafting area and the maxillary alveolar area both have through hole array structures.

The invention provides an invisible appliance which comprises a single-jaw appliance and/or a double-jaw appliance. The single-jaw appliance comprises a maxillary tooth socket and a functional auxiliary part, and the double-jaw appliance comprises a double-jaw tooth socket and a functional auxiliary part. The double-jaw tooth socket comprises an upper jaw tooth socket, a lower jaw tooth socket anda connecting occlusal plate, the functional auxiliary part is selected from at least one of a palatal side plate, a lingual guide wing, an anterior tooth occlusion opening assembly and an extraoral traction assembly, and the anterior tooth occlusion opening assembly comprises a gingival margin bulge and a stress application pad; the extraoral traction assembly comprises an outer side tube and anextra-oral traction bow, and all parts are made of transparent or semi-transparent materials, so that the appliance is invisible. The appliance has a wide clinical application range, is suitable for malocclusion deformity of bone surface type II malocclusion and mild type III and can provide an efficient correction force system in the three-dimensional direction and especially greatly improve thecorrection efficiency in the vertical direction.

The invention relates to a snore guard and a manufacturing method thereof, and the snore guard is used in the oral cavity of a human body, and comprises an upper tooth socket corresponding to the upper jaw teeth of the human body, a lower tooth socket corresponding to the lower law teeth of the human body, and a connecting device connecting the upper tooth socket with the lower tooth socket, wherein upper retention connecting points are arranged at the outer side of the upper tooth socket; lower retention connecting points are arranged at the outer side of the lower tooth socket; the connecting device comprises an upper retention part, a lower retention part and a connecting rod connecting the upper retention part with the lower retention part; both the upper tooth socket and the lower tooth socket comprise outer tooth socket layers and inner tooth socket layers; the inner tooth socket layer is the layer closely contacted with the teeth and is made by adopting a flexible material; and the outer socket layer is made by adopting a hard material. The snore guard provided by the invention has simple manufacturing method and technology and low cost, is comfortable to wear and convenient to carry, has no trauma, low risk and very remarkable effect to restrain the snore of a patient, and is applicable to partial obstructive snoring or obstructive apnea syndrome.

A bracketless invisible appliance for guiding lower jaw to move includes an upper jaw tooth socket and a lower jaw tooth socket. The upper jaw tooth socket has an upper protrusion, and the lower jaw tooth socket has a lower protrusion. When the upper jaw tooth socket and the lower jaw tooth socket are occluded, the upper protrusion makes contact with the lower protrusion. The bracketless invisibleappliance has the advantages of good wearing comfort, no influence on the daily life of a wearer, and improvement of guiding lower jaw to move with mandibular retrusion.

The invention relates to the field of denture repair methods, in particular to a denture repair method. The repair method comprises the steps as follows: a) mounting a scanning pole on an implant in apatient mouth; b) scanning image information about upper jaw teeth and lower jaw teeth in the patient mouth with the scanning pole in a computer by a scanner; c) obtaining complete scanning pole information from a software database of the computer to determine the depth of the scanning pole in upper and lower jaw tooth models and the angle and position of the scanning pole on the upper and lowerjaw tooth models; d) designing matched dental crowns and abutments according to all image information of upper and lower jaw teeth and the scanning pole. The scanning pole is directly mounted in the patient mouth, image scanning is performed on the upper and lower jaw teeth in the patient mouth by the scanner, the obtained image information is transmitted directly through the computer, the dentalcrowns and the abutments are produced according to the image information, the trouble of producing plaster models is avoided, and the efficiency is improved.

A bracket-free invisible orthodontic device capable of guiding the lower jaw to move by traction and a manufacture method thereof are provided. The bracket-free invisible orthodontic device comprises an upper jaw brace, a lower jaw brace and a tractive member; the front tooth region of the upper jaw brace is provided with a hooking point; two cheek sides of the rear tooth region of the upper jaw brace are provided with upper protrusions; the upper protrusions are projected from the upper jaw brace to the cheeks; two cheek sides of the rear tooth region of the lower jaw brace are provided with lower protrusions; the lower protrusions are projected from the lower jaw brace to the cheeks; each lower protrusion is laterally provided with a lug; one end of the tractive member is hooked to the lugs; the other end of the tractive member is hooked to the hooking point of the upper jaw brace. The bracket-free invisible orthodontic device has the advantages that the braces made with transaprent membranes are attractive and well comfortable to wear; the upper jaw and the lower jaw are provided with their braces respectively, and the braces can provide biological forces to guide the lower jaw to move when the upper jaw and the lower jaw are occluded or separated; dentitions are organized at the premise of improving mandibular retrusion, and correction efficiency is high.

The invention relates to the field of medical apparatuses and instruments, in particular to a child oral examination device. The child oral examination device comprises an upper jaw bracket and a lower jaw bracket, an upper tooth groove matched with upper jaw teeth is formed in the upper jaw bracket, a lower tooth groove matched with lower jaw teeth is formed in the lower jaw bracket, the upper jaw bracket and the lower jaw bracket are of hollow structures, the upper jaw bracket and the lower jaw bracket of the hollow structures are each provided with at least one camera for shooting the toothsurface condition, the cameras are slidingly arranged from one end to the other end in the tooth arrangement direction, the oral is not required to be opened for a long time, harm to the oral is reduced, the dread feeling when oral examination is carried out of children can be reduced, an examination is smoothly carried out accordingly, and the examination result is more accurate; in addition, pictures collected by the cameras can be easily recorded and stored through electronic data, medical workers conveniently and collectively analyze and process the data, and whole physical examination time is shortened.

The invention discloses an oral appliance comprising maxillary band rings, connecting members, a connecting rod and guiding plates, wherein the maxillary band rings are used for sleeving maxillary posterior molars, the connecting rod is used for connecting the maxillary band rings at the left and right sides, and the shape of the connecting rod is consistent with the shape of an maxillary dental arch; each connecting member comprises fixing columns, a connecting cross bar and fixing nuts, the fixing columns are fixed on the lingual side of the maxillary band rings, through holes matching the connecting cross bar is disposed on the fixing columns, and both ends of the connecting cross bar are provided with external threads matching the fixing nuts, and each guiding plate is provided with aconnecting hole matched with the connecting cross bar. The guiding plates are arranged on the oral appliance, buccal crossbite of the posterior molars of a patient can be corrected by the outward-pushaction of the guiding plates on the mandibular molars; the oral appliance does not need to use a planting nail and a rubber band for traction, is convenient for a doctor to operate, and improves thepatient's comfort to a certain extent degree; and the oral appliance is applied to the mild buccal crossbite of the posterior molars.

The invention provides customised intraoral snore-ceasing equipment, which is characterized in that a 3D printing technology and a memory metal spring are used for manufacturing snore-ceasing equipment which is fit with a user's teeth, is light and can freely move after being worn. The technical scheme of the customised intraoral snore-ceasing equipment comprises an upper jaw tooth socket, a lowerjaw tooth socket and a memory metal spring assembly which connects the upper jaw tooth socket with the lower jaw tooth socket; the lower jaw tooth socket is positioned below the upper jaw tooth socket, and the lower jaw tooth socket protrudes forward to the front surface of the upper jaw tooth socket; the memory metal spring assembly comprises an upper jaw spring, a lower jaw spring and a locking device for connecting the upper jaw spring and the lower jaw spring, wherein the lower jaw spring is connected with the lower jaw tooth socket, and the position of the lower jaw spring in the locking device is adjustable.

One aspect of the invention provides a computer-executed method for determining an occlusion relationship between upper and lower jaw teeth. The method comprises the following steps: acquiring three-dimensional digital models of the upper and lower jaw teeth; and based on the three-dimensional digital models of the upper jaw teeth and the lower jaw teeth, determining an occlusion relationship between the upper jaw teeth and the lower jaw teeth by utilizing a point cloud registration method.

The invention discloses a dual-use medical mouth prop, and belongs to the field of medical appliances. The dual-use medical mouth prop comprises a mouth opening component, a tongue pressing componentin sliding connection to the mouth opening component, and a positioning component for fixing relative positions of the mouth opening part and the tongue pressing component, wherein the mouth opening component comprises a guide plate, a mouth opening bracket for propping the oral cavity of a patient and fixing, and a denture palate which is detachably arranged at the other end of the mouth openingbracket by a clamping device and used for clamping upper jaw teeth; two ends of the mouth opening bracket can be detachably arranged on the guide plate through a limiting device, and can be arranged on either side of the guide plate; and a fixing part is arranged at the position extending into the oral cavity, of the tongue pressing component, and a sucking machine is rotatably connected to the fixing part. The components are in detachable connection, during operations, doctors can conveniently select an appropriate mouth opening direction, reassembly can be performed according to own habits or the situation of the patient, and the dual-use medical mouth prop is quick and convenient. The sucking machine is adjustable in directions, and convenient to use, and is suitable for all of medicalmouth props.

The invention provides a manufacturing method of a forward re-positioning type snore guard. The forward re-positioning type snore guard is applicable to patients who snore because of mandibular retrusion and tongue root falling, is individually customized for different patients according to situations of mouths and temporal-mandibular joints of the patients, and comprises an upper jaw base support, a lower jaw base support and a connector. Specifically, the upper jaw tooth row of a corresponding patient is sleeved with the upper jaw base support, the lower jaw tooth row of the corresponding patient is sleeved with the lower jaw base support, the lower jaw tooth row is deviated forwards and downwards according to set displacement, end parts of both sides of the upper jaw base support and the lower jaw base support are fixedly with a middle front tooth area through the connector. After the upper jaw base support and the lower jaw base support are fixedly connected, and the base supportsare worn on corresponding tooth rows, the position of the lower jaw is fixed, and mandibular retrusion and tongue root falling can be avoided. When the patient sleeps with the snore guard, the problemof snoring caused by airway stenosis because of mandibular retrusion and tongue root falling can be effectively avoided.

The invention discloses a diastema closing device, which comprises an installation tube seat, a correction elastic element and a regulation and rotation force increasing cone, wherein the installation tube seat, the correction elastic element and the regulation and rotation force increasing cone are fixedly installed on an agomphosis position implantation body; the correction elastic element comprises a middle connecting tube of a hollow tube body structure and two correction folding wings which are symmetrically arranged; the correction folding wings are cooperated and are fixedly symmetrically arranged on the outer side wall of the middle connecting tube; and the outer side wing of each correction folding wing is independently adaptively coated and abutted against the axial angles of the cheek side and the tongue side of a corrected tooth. By use of the diastema closing device, diastema closing processing of an upper jaw tooth or a lower jaw tooth can be realized, meanwhile, the correction folding wings of the correction elastic element are coated and abutted against the teeth on two sides of the agomphosis position, so that the corrected tooth does not rotate or deflect in a correction process, in addition, the regulation and rotation force increasing cone is used for slowly applying force, the correction folding wings slowly close the diastema in a progressive way, force application more conforms to the physiology, and inclination and rotation of the tooth can be simultaneously corrected.

The invention relates to the field of medical instruments, in particular to a digitized mandibular protraction auxiliary training device and a construction method thereof. The auxiliary training device comprises an upper jaw tooth occlusion in-position part and a lower jaw tooth occlusion in-position part, and a retention assembly is arranged between the upper jaw tooth occlusion in-position part and the lower jaw tooth occlusion in-position part; a first groove body is formed in the side, away from the upper jaw teeth, of the upper jaw tooth occlusion in-place part, a second groove body is formed in the side, away from the lower jaw teeth, of the lower jaw tooth occlusion in-place part, and a screw containing cavity is defined by the first groove body and the second groove body; the tongue side of the first groove body extends to be provided with a tongue side protruding buckle; an internal thread is arranged in the second groove body; a screw rod is arranged in the screw containing cavity, a tongue side limiting piece and a lip side limiting piece are arranged at the two ends of the screw rod respectively, and external threads are arranged on the screw rod. According to the application, a upper tooth socket of the upper jaw tooth occlusion in-position part and a lower tooth socket of the lower jaw tooth occlusion in-position part can be worn on the upper and lower teeth of a patient, and the lower biteplate can stretch forwards and retreat by rotating the lip side limiting piece.

The invention discloses a self-adaptive snore-ceasing device, and belongs to the field of snore-ceasing devices. The self-adaptive snore-ceasing device comprises a tooth socket worn on mandibular teeth, a groove is arranged on the tooth side of the tooth socket, a high-temperature deformation part is arranged in the groove along the inner wall of the groove, a baffle extending upwards is arranged on the lip side of the upper end of the tooth socket, and the baffle is located on the outer side of upper jaw teeth. The invention aims to provide the self-adaptive snore-ceasing device, so that a wearer can quickly obtain a tooth socket matched with the wearer, and the use cost is reduced.

The purpose of the present invention is to provide a toothguard which has a good feeling of wearing and is not susceptible to breakage or deformation. In order to solve the problem, the tooth protector according to the present invention comprises: a pair of tooth protector main bodies comprising an upper jaw tooth protector main body to be worn on the upper jaw and a lower jaw tooth protector main body to be worn on the lower jaw; a positioning member for restricting rearward displacement of the lower jaw toothguard main body; and a support part which is disposed between the positioning member and the main body part so as to cover a part of a surface of at least one of the maxillary tooth guard main body part and the mandibular tooth guard main body part, said surface facing a surface to be worn on a tooth row, and which supports the positioning member. The support portion includes a material having a bending elastic constant different from that of the toothguard body portion.