21 results about "Anterior teeth" patented technology

The invention discloses a maxillary anterior tooth alveolar bone defect identification method and device. The method comprises the following steps: S1, acquiring a global voxel matrix and voxel size information; segmenting the global voxel matrix to obtain N pieces of tooth information; s2, based on the voxel size information, processing each piece of tooth information to obtain a vector set corresponding to each piece of tooth information; s3, processing each piece of tooth information and the corresponding vector set to obtain a classification image pair set corresponding to each piece of tooth information; s4, processing the classification image pair set corresponding to each piece of tooth information by using a pre-trained multi-scale classification recognition model to obtain a probability vector set corresponding to each piece of tooth information; and S5, processing the probability vector set corresponding to each piece of tooth information to obtain a classification identification result corresponding to each piece of tooth information. According to the method, high-precision classification and identification of alveolar bone defect conditions can be automatically completed.

To provide a dental set for open bite treatment, which can easily depress molars in a short period of time without causing extrusion of front teeth when it is necessary to depress molars in open bite treatment, thereby enabling open bite treatment. [Solution] The dental set for open bite treatment has a plurality of brackets (201) attached to the patient's maxillary or mandibular teeth, an orthodontic wire (11) attached to these brackets, and an intermaxillary elastic (400). When indenting a patient's maxillary molars, the intermaxillary elastic is stretched by attaching the orthodontic wire to the bracket attached to the crown of the maxillary canine from above and stretching it, then hooking it from below to the bracket attached to the crown of the mandibular canine, and further hooking it onto a bondable tube (202) attached to the crown of the mandibular first molar. The same applies when indenting a patient's mandibular molars.

A method for modeling temporomandibular joint osteoarthritis, 6-week-old rats are selected, the rats are confirmed to have entered an anesthetized state before surgery, the rat's mandibular incisors are first checked and confirmed to be normal, the first arm of the device is sleeved on one side of the mandibular incisor, and the palatal side of the maxillary incisor is made to touch the slope surface of the second arm of the device, the device is checked and confirmed to not affect the rat's mandibular movement and occlusion, not significantly raise the bite, have no early contact, and the upper and lower jaw relationship is relatively stable; the device and the mandibular incisor sleeved with the device are fixed; then the rat is put back into the cage, and soft food or powdered feed is given after waking up; the device is removed after being fed for 8 weeks or more. It is verified that the condylar process of the rat changes significantly, the overall condylar process is significantly reduced, the subchondral bone is destroyed, and the expression of the cartilage matrix is also reduced. Thus, a TMJOA rat model exhibiting mandibular retrusion is formed.

The utility model discloses a tooth grinding wheel for machining broken teeth and a tooth grinding module applying the tooth grinding wheel. The tooth grinding wheel comprises a cylindrical body, first single-face grinding teeth and second single-face grinding teeth. The middle of the cylindrical body is fixedly connected with a rotating shaft, the first single-face grinding tooth is provided with a right grinding face and a left suspension face, the second single-face grinding tooth is provided with a left grinding face and a right suspension face, the left grinding face is integrally connected to the right side of the right grinding face, and the axial distance between the left grinding face and the right grinding face is at least two times of the pitch of a to-be-ground piece; when a to-be-ground piece is machined, the left suspension face and the right suspension face do not make contact with the to-be-ground piece, the right grinding face machines a left tooth mountain of front teeth of the to-be-ground piece, the left grinding face machines a right tooth mountain of rear teeth of the to-be-ground piece in a tooth jumping mode, and the grinding starting point of the left tooth mountain is earlier than that of the right tooth mountain all the time. The tool has the advantages of being high in universality, high in grinding efficiency and suitable for machining a to-be-ground piece with a cylindrical blade on the left side tooth mountain and without a cylindrical blade on the right side tooth mountain, and the service life of the to-be-ground piece is long.

The application discloses a rodent mouth opener and a use method thereof, and the mouth opener comprises a sleeve, a sleeve rod, a locking nut, a U-shaped spring, a tooth buckle and a jaw pad. The sleeve, the sleeve rod and the locking nut constitute an oval mouth opener of the rodent mouth opener, the sleeve and the sleeve rod are connected into a whole through the locking nut, and the sleeve rod is convenient to adjust the mouth opener through expansion and contraction in the sleeve. The tooth buckle is connected to the middle part of the sleeve, the tooth buckle is matched with upper and lower front teeth of the rodent, and the tooth buckle is used for sleeving the front teeth of the rodent. The tooth buckle is provided with the jaw pad, the jaw pad prevents the mouth of the rodent from being hurt by being pressed, the middle part of the sleeve rod is connected with the U-shaped spring, the U-shaped spring provides elastic force to open the corners of the mouth of the rodent, and the U-shaped spring can assist in adjusting the opening degree. The application adopts a symmetrical structure design, is fixed firmly, avoids multiple adjustment of fixation and opening degrees of experimental animals caused by loosening or left-right shaking, and can adjust multiple structures to match rodent animals with different opening degrees for experiments.

The utility model relates to a cold compress analgesic device for postoperative nursing of oral cavity, including gauze mask unit, a plurality of cold compress units, a plurality of analgesic units, first fixed unit and second fixed unit. Its advantage lies in, and the gauze mask unit is worn in the place of suffering with the gauze mask form to carry out analgesia and cold compress with analgesic unit, cold compress unit respectively with gauze mask unit is detachably connected, and utilizes first fixed unit and second fixed unit, not only can liberate patient's both hands, and can be closely combined with the place of suffering, and the use is flexible, convenient, and the cold compress, analgesic effect is good, and the gauze mask unit is set up in the region, can carry out cold compress and analgesia to maxillary region, mandibular anterior tooth area, mandibular posterior tooth area respectively, improves patient's comfort.

Maxillary and mandibular appliances can be mounted to a user's upper and lower jaws. The appliances can include a palatal pad, buccal tubes, hamular notch tubes, and an anterior deprogrammer. The various portions of the appliances can provoke beneficial reactions by muscles in the tongue and jaw area, massage the same muscles, or provide other beneficial effects.

The application discloses a tooth correction auxiliary device for front teeth and a tooth correction device. The tooth correction auxiliary device is fixed on a tooth correction appliance. The tooth correction appliance comprises upper front tooth crown sleeves and lower front tooth crown sleeves. The auxiliary device comprises upper jaw front tooth occlusion positioners and lower jaw front tooth occlusion positioners which are fixed on the outer walls of the upper front tooth crown sleeves and the lower front tooth crown sleeves. The upper jaw front tooth occlusion positioner is fixed on the palatal side outer wall of the upper front tooth crown sleeve. In the occlusion state, the contact surface centers of the upper jaw front tooth occlusion positioner and the lower jaw front tooth occlusion positioner are located on the lower front tooth occlusion vertical line. The transparent correction appliance provided with the occlusion positioner improves the occlusion relationship in the correction process and after the correction, and the patient obtains more stable occlusion function. In the clinical application, the disadvantages of restarting, re-preparing the transparent correction appliance or needing to correct the occlusion problem by using the fixed correction appliance method due to the occlusion problem can be avoided.

The utility model belongs to an improved orthodontic device suitable for double-jaw prolapse. The utility model aims to solve the problems that the anchorage control difficulty is high in the process of correcting the double-jaw proprocess, the side effect of molar loss anchorage is large, the correction of a patient is uncomfortable, and the operation is tedious. According to the technical key points, upper and lower central incisor teeth, lateral incisor teeth, canine teeth and first permanent molar teeth are bonded with a common transmission appliance bracket; the upper jaw round wire main arch wire and the lower jaw round wire main arch wire are in an arc shape, are provided with two small circles and two rear bends and penetrate through a groove in a bracket of an ordinary transmission appliance, and the upper anterior tooth adduction leather ring is connected with the small circles on the upper jaw round wire main arch wire and anchorage molar teeth of the lower jaw. And the lower anterior tooth adduction leather collar is connected with the small loop on the round wire main arch wire of the lower jaw and the anchorage molar of the upper jaw. The device is suitable for orthodontic treatment of double-jaw prolapse cases.

The present invention provides a teeth protection unit for oral intubation and a teeth protection device comprising same, the teeth protection unit preventing the teeth of a patient from shaking or breaking when a tube is inserted into the oral cavity of the patient and the patient involuntarily bites on the tube.

An apparatus for treating sleep apnea and other sleeping disorders, including snoring and bruxism, but also mouth cavity hygiene, and also possibly drug delivery is provided. The apparatus comprises a device configured to be installed on a user's teeth to maintain a relative position of the upper and lower jaws, and a holding material. The device comprises at least one back part, such as a first back part, a second back part and connecting portion (if two back parts are provided), the first back part having an upper side and a lower side configured to contact at least one premolar and / or molar of the upper and lower jaws, respectively, of the right side of a user's teeth when the user's teeth are in a substantially closed position, and the second back part having an upper side and a lower side configured to contact at least one premolar and / or molar of the upper and lower jaws, respectively, of the left side of the user's teeth when the user's teeth are in a substantially closed position, the connecting portion connecting the first and second back parts and configured to extend along the front teeth of the user's teeth. The holding material is included in or configured to be applied to the first and second back parts to secure contact of the teeth with the first and second back parts, respectively, by creating an adhesive effect, a vacuum effect, or a mechanical holding effect on the teeth in contact with the first and second back parts, respectively.

A dental guard and tray, includes a thermoplastic dental guard, and a generally rigid tray fittingly receiving the dental guard during heating and fitting of the dental guard to teeth of the user. The dental guard includes a pair of bite pads positionable below rear teeth of the user and a connection band that connects between the bite pads and is positionable behind upper or lower front teeth of the user. The rigid tray includes a pair of bite pad supports and a connecting arc, the bite pad supports each providing a planar depression or well for receiving one of the bite pads, the connecting arc spanning between the bite pads and having fingers located proximate a midpoint of the arc and configured to angle rearwardly and upwardly from the connecting arc so as to underlie and receive the band when the dental guard is received onto the tray.

The invention discloses an intelligent tooth arrangement method. The method comprises the following steps: acquiring a dentition three-dimensional model; configuration data is obtained, and the configuration data comprises target anterior tooth cutting edge point coordinate information, a defined target occlusal plane and posterior tooth axis inclination vertical constraint information; path planning is executed based on the configuration data so as to determine a tooth arrangement target position of a tooth model on the dentition three-dimensional model, and the preset tooth arrangement rule is used for constraint in the path planning. Through intelligent tooth arrangement, the tooth arrangement efficiency and the adaptation degree with different users are improved.

The present disclosure belongs to the technical field of medical instruments, and discloses an intubation tube holder, including a clamping sleeve. A mounting notch is provided in each of two sides of one end of the clamping sleeve. The two mounting notches are symmetrically distributed about a circle center of the clamping sleeve. A support plate is rotatably connected into each of the two mounting notches. Elastic dental pads are fixedly connected to upper and lower ends of the support plates. The support plates are driven to rotate to original positions through elastic release of torsional springs. The two support plates move to a periphery to drive the elastic dental pads to move, so that the elastic dental pads on the two sides are just located between upper and lower groups of chewing teeth of a patient. When the mandible muscles of the patient naturally contract, the upper and lower chewing teeth of the patient are just in contact with the elastic dental pads at tops and bottoms of the support plates. The elastic dental pads play a role of supporting the mouth of the patient. Compared with an existing holder, the intubation tube holder solves the following problem that the patient bites on an outer wall of the holder with the front teeth for a long time, and further avoids looseness and deformation due to overtime stress on the front teeth of the patient.

A mouthguard for protecting a wearer's teeth from bruxism, the mouthguard comprising: (a) a cavity configured to receive at least a portion of a first row of teeth of the wearer; (b) a guide extending towards the wearer's second row of teeth, the guide being configured to guide the jaw of the second row of teeth such that in use, when the wearer brings their teeth together, front teeth of the opposed jaws are brought substantially into alignment with one another; and (c) a bite region at a base of the guide configured, in use, to abut the front teeth of the second row of teeth when the wearer brings their teeth together.

A personalized healing abutment maker comprises a maker body, the maker body is provided with four groove groups, the shapes of the four groove groups are respectively matched with gum-penetrating contours of four tooth positions of an upper jaw molar, a lower jaw molar, a premolar and an anterior tooth, each groove group at least comprises one groove, and the bottom of each groove is provided with a through hole communicated with the bottom of the maker body. According to the utility model, a plurality of groove groups are arranged, and the proper healing abutment can be formed by pouring glue into the corresponding grooves according to the tooth position of the patient without teeth, so that the adaptation degree of the manufactured healing abutment and the tooth position of the patient without teeth is improved; the problems of unsmooth transition between the abutment and the prosthesis, easy formation of a black triangle, poor abutment stress and the like during later prosthesis making are solved, the physiological and aesthetic requirements of the dental crown are met, the operation is simple and convenient, the dental crown is in place once, a patient does not need to see a doctor for many times, and the time of the patient is saved.

The utility model discloses a multifunctional manual terminal machine capable of continuous wire stripping, wire twisting and crimping, which is formed by expanding a traditional terminal crimping clamp, a circular clamp head is additionally arranged in the length direction of the multifunctional manual terminal machine, and a plurality of jaws are further arranged at the circumferential positions of the two clamp heads. In addition, the teeth in the center jaw of the new plier head are divided into a front part and a rear part, the front teeth are used for clamping wires, and the tooth openings of the rear teeth are made into cutting edges so as to be used for cutting wire skins. Power of the new tong head is transmitted through the connecting rod mechanism. And the clamp head device is used for clamping a wire end extending into the jaw of the new clamp head, can rotate under the action of the driving unit and is far away from the second jaw, so that a wire sheath is screwed off, and a stripped wire core is twisted into one strand. The working efficiency can be greatly improved, and the labor intensity is relieved.

The application discloses a kind of maxillary anterior tooth alveolar bone defect identification method and device, the method comprises: S1, obtains global voxel matrix and voxel size information;Global voxel matrix is segmented and handled, and N tooth information is obtained;S2, based on voxel size information, each tooth information is handled, and the corresponding vector set of each tooth information is obtained;S3, each tooth information and corresponding vector set are handled, and the corresponding classification image pair set of each tooth information is obtained;S4, using the multi-scale classification identification model that is pre-trained, the classification image pair set corresponding to each tooth information is handled, and the probability vector set corresponding to each tooth information is obtained;S5, the probability vector set corresponding to each tooth information is handled, and the classification identification result corresponding to each tooth information is obtained.The method of the application can automatically complete the high-precision classification identification of alveolar bone defect.

The application provides a picking device for a shell-shaped tooth appliance, comprising a negative pressure assembly and a picking assembly, the negative pressure assembly being in communication with the picking assembly, the picking assembly picking a shell-shaped tooth appliance to be picked up through negative pressure generated by the negative pressure assembly, the picking assembly comprising a first picking part for picking a front tooth area of the shell-shaped tooth appliance to be picked up through negative pressure, and a picking auxiliary part for picking the shell-shaped tooth appliance to be picked up in cooperation with the first picking part, the picking auxiliary part comprising a limiting part for limiting a back tooth area of the shell-shaped tooth appliance to be picked up during picking or a second picking part for picking the back tooth area of the shell-shaped tooth appliance to be picked up through negative pressure. Meanwhile, the application also provides a picking system and a picking method for a shell-shaped tooth appliance.