22 results about "Upper anterior" patented technology

The present application provides a light treatment device for suppressing or preventing Alzheimer's disease. A light treatment device includes a carrier structure and an array of near-infrared irradiation units. The bearing mechanism forms an accommodating space for the head of the object and bears the array of the near-infrared irradiation units. The array of near-infrared irradiation units is configured such that near-infrared light is emitted into the accommodation space, when the head of the subject is in place, an irradiation space range covering at least the anterior upper cranial portion, the top cranial portion, the left cranial portion and the right cranial portion is formed, and the time-average total irradiation power of the head cover portion acting on the head of the subject is 27.5 W or more, 31 W or more, 40 W or more, or 60 W or more, and the irradiation power of the head cover portion acting on the head of the subject is 27.5 W or more, 31 W or more, 40 W or more, or 60 W or more. Or more than 70W, and the space-time average optical power density irradiated to each part does not exceed 230mW / cm < 2 >. The light treatment device does not depend on nasal and ocular irradiation, achieves an optimized treatment effect on AD patients from MCI to dementia during the course of treatment, and not only effectively maintains the treatment effect but also continuously increases the treatment effect when the light treatment is interrupted.

A method for digitally designing a denture for a patient, where the denture includes a plurality of denture teeth, where designing the denture includes transforming denture teeth of the denture, wherein the method includes obtaining a 3D scan of the upper jaw and lower jaw of the patient; obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion; digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth; digitally grouping the denture teeth in four groups, the four groups includes an upper anterior group, a lower anterior group, a left posterior group, and a right posterior group; and digitally arranging the upper anterior group first, the left and right posterior groups second and the lower anterior group third.

The utility model relates to the technical field of orthodontics, and particularly discloses a slope guide plate appliance which comprises a tooth socket and a slope guide plate, the tooth socket is worn on lower teeth of a corrector, the slope guide plate is detachably mounted at the upper end of lower anterior teeth of the tooth socket, and the slope guide plate abuts against the inner side of upper anterior teeth of the corrector; a positioning inserting groove is formed in the upper end of the lower front tooth of the tooth socket and is used for inserting the inclined surface guide plate. The device is suitable for the condition of mild reverse jaw, the lower jaw of a corrected person gradually moves backwards to a set position under the guidance of the slope guide plate, the lower jaw can adapt to a new stay position and is fixed through long-term wearing, auxiliary correction of the position relation of the upper jaw and the lower jaw is achieved, and the device has the technical effects of being simple in correction mode and high in reliability.

The present application discloses a dental assembly, comprising a first matching structure arranged corresponding to the lingual side or incisal end of the upper anterior teeth and a second matching structure arranged corresponding to the labial side or incisal end of the lower anterior teeth, the first matching structure and the second matching structure are configured to abut each other to generate a force or a torque when the upper and lower jaws are occluded, the force or the torque at least includes a labial tipping force corresponding to the upper anterior teeth or a labial tipping torque corresponding to the upper anterior teeth. The present application at least makes the upper anterior teeth labially inclined during the treatment process, in the first aspect, the relative position of the upper anterior teeth and the alveolar bone can be adjusted step by step so that the upper anterior teeth are suitable for the operation of lowering; in the second aspect, the gap between the upper anterior teeth and the lower anterior teeth can be increased to facilitate the installation design of the first matching structure and the second matching structure; in the third aspect, the upper anterior teeth have a certain inclination, which can facilitate the interaction with the lower anterior teeth and facilitate the lowering and inward retraction of the anterior teeth.

The invention relates to the technical field of orthodontics, in particular to an appliance suitable for low-angle Angle class II classification 2 patients. Comprising a base plate covering a palatal soft tissue area of an anterior tooth area of an upper jaw, a built-in spiral arch expander, a long arrow clamp and an adjacent hook which are arranged in a posterior tooth area of the upper jaw, a hyperbolic labial arch which is arranged on the labial side of the anterior tooth and of which the tail end is fixed in the base plate, and an elastic supporting piece arranged on the palatal side, one end of the elastic supporting piece is a fixed end, the other end is a free end, the fixed end is inserted and fixed in the base plate, and the free end points to and lightly touches the palate side of the upper anterior teeth; an anatomical flat guide face matched with lower teeth is arranged at the position, making contact with the lower teeth, of the base plate, and a guide groove used for guiding the lower front teeth to be limited front and back is formed in the lip side of the anatomical flat guide face. The lip side of the base support is further provided with an incisor tooth cap used for guiding left and right retention of lower jaw incisor teeth, and the guiding groove and the incisor tooth cap are matched with the anatomical form of a lower tooth body.

The utility model belongs to the field of animal medicine experiment equipment, and relates to a rat mouth gag for rat experiments, which comprises an upper fixing part, a lower fixing part, two opening parts and two side supporting parts, the two ends of the lower fixing part are connected with one ends of the two opening parts respectively, the other ends of the two opening parts are connected with the side supporting parts respectively, and the other ends of the two side supporting parts are connected with the two ends of the upper fixing part respectively. An upper tooth fixing piece is arranged on the upper fixing part, a lower tooth fixing piece is arranged on the lower fixing part, and cheek supporting bows are arranged on the two side supporting parts respectively. When the upper tooth fixing piece of the upper fixing part fixes the anterior teeth of the upper jaw of the rat in a matched mode, the cheek supporting bows on the two side supporting parts are placed between molar teeth and cheek mucous membranes in a matched mode, the side supporting parts support and fix the cheeks on the two sides of the rat, the stability of the rat mouth gag for supporting the oral cavity of the rat is improved, and the rat mouth gag is convenient to use. The situation that in the experiment process, the mouth gag moves due to movement of the head of the rat, and the cheek mucosa of the rat is injured is avoided.

The invention discloses a dental handpiece for treating upper anterior teeth, and the dental handpiece for treating the upper anterior teeth comprises a machine body, a machine head, a machine needle and a transmission mechanism. The machine head comprises a machine head shell, a clamping device and a rotary unlocking machine matched with the clamping device, and the clamping device is connected with the output end of the transmission mechanism. The rotary unlocking mechanism is provided with a rotary sleeve rotationally arranged outside the machine head, the rotary unlocking mechanism is in linkage with the clamping device, and the machine needle can be locked or released by rotating the rotary sleeve. The dental handpiece disclosed by the invention has the advantages that the dental handpiece is convenient to process and maintain due to modular design; the whole machine accords with ergonomics, so that the dental handpiece can be stably and comfortably held for treatment; the clamping device and the rotary unlocking mechanism are novel and unique in structure, and the bur is convenient and fast to disassemble and assemble; the clamping device can be used for effectively and stably clamping and positioning the bur, so that the high-torque output requirement of the dental handpiece is met; the output torsional force is large, and the drilling capability of the dental handpiece is improved.

An automatic positioning method of upper anterior tooth implant based on alveolar bone segmentation, comprising the following steps: S1, inputting an original oral CBCT image to a segmentation model to obtain a tooth segmentation result I t and an alveolar bone segmentation result I e ; S2, generating an implant boundary according to the tooth segmentation result I t and the alveolar bone segmentation result I e , to obtain an implant reasonable implantation range of a surface set S p ; S3, generating an implant optimal axial direction according to the implant reasonable implantation range of the surface set S p , and obtaining visual data I p of the implant by slice-by-slice fitting. The present application realizes the alveolar bone segmentation of the upper anterior tooth for the CBCT data, and generates the implant optimal position prediction and the implant optimal image position for the immediate implant, and solves the problems of dependence on subjective experience of doctors, inaccurate implant and time-consuming in the current upper anterior tooth immediate implant surgery.

The utility model discloses an orthodontic anterior tooth coincidence measuring device, which relates to the technical field of orthodontics, and comprises a device main body, one end of the device main body is provided with a coincidence measuring mechanism, the other end of the device main body is provided with a coincidence measuring mechanism, the upper end of the device main body is fixedly connected with a telescopic column, and the upper end of the telescopic column is fixedly connected with a connecting rod. The top end of the telescopic column is in shaft connection with a rotating shaft, the top end of the rotating shaft is fixedly connected with a movable block, the movable block is in shaft connection with the telescopic column through the rotating shaft, a sliding way is arranged at one end of the device body, and first scale marks are arranged on one side of the device body. The horizontal distance between the incisal edge of the upper anterior tooth and the incisal edge of the lower anterior tooth of a patient can be conveniently compared through the arrangement of the movable blocks, the movable blocks can rotate through the arrangement of the rotating shafts, comparison of the movable blocks is facilitated, and the movable blocks can be suitable for patients with teeth of different heights through the arrangement of the telescopic columns.

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 invention discloses an orthodontic appliance capable of rapidly closing interdentition dispersed gaps. The orthodontic appliance comprises a retention structure, a stress dispersion connecting structure and an elastic lingual arch, the retention structure is used for retaining rear teeth on the two sides of the dentition; the stress dispersion connecting structure is located on the lip side and used for generating thrust towards the tongue side on the anterior teeth, and the two ends of the stress dispersion connecting structure are connected with the retention structures on the two sides respectively; the elastic lingual arch is located on the lingual side and used for generating contraction force to achieve the arch contraction effect, and the two ends of the elastic lingual arch are connected with the fixing structures on the two sides respectively. The invention also discloses an integrated manufacturing method of the orthodontic appliance capable of rapidly closing the interstitial space between dentitions. The combined structure of the stress dispersion structure and the elastic lingual arch is adopted, when the combined structure is applied to the lower jaw, lingual inclination can be rapidly conducted on anterior teeth of the lower jaw, meanwhile, dispersion gaps are rapidly closed, and when the combined structure is applied to the upper jaw, upper anterior teeth can be rapidly retracted, and the dispersion gaps are rapidly closed.

1. Name of the Design Product: Anterior Tooth Shaper. 2. Use of the Design Product: Suitable for early correction of those who breathe through the mouth but have unobstructed nasal airways, or those with bad habits such as thumb sucking, lip biting, etc., as well as those with insufficient lip muscle function, shortened upper lip or open lip showing teeth. It is worn at night or used as an auxiliary lip muscle trainer during the day. The appliance can act on the upper anterior teeth to inhibit maxillary development. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.

The utility model relates to the technical field of orthodontic instruments, and discloses a single-jaw appliance which comprises a single-jaw pad and an extraoral arch, and the single-jaw pad is provided with an upper anterior tooth orthodontic surface fitted with an upper anterior tooth invisible brace in appearance; or the single jaw pad is provided with a lower anterior tooth correction surface which is fitted with the appearance of the lower anterior tooth invisible tooth socket; the extra-oral bow is fixedly connected with the single jaw pad, the extra-oral bow extends leftwards and rightwards to form a left extra-oral bow and a right extra-oral bow respectively, the free ends of the left extra-oral bow and the right extra-oral bow are provided with hooks respectively, and the hooks are elastically connected with the head cap or the neck band respectively; the single-jaw appliance provided by the utility model solves the problem that anchorage control cannot be independently carried out only for upper anterior teeth or lower anterior teeth in the prior art.

The utility model discloses a dental jaw development guiding device, which belongs to the technical field of orthodontics and comprises a jaw pad, a lip-cheek wing and a tongue-palate wing. The lip-cheek wing is connected to the outer side of the jaw pad; the lingual palate wing is connected to the inner side of the jaw pad, the lip-cheek wing, the lingual palate wing and the jaw pad enclose to form a tooth groove for accommodating teeth, and the tooth groove comprises an upper tooth groove positioned above the jaw pad and a lower tooth groove positioned below the jaw pad; in the anterior tooth area, an upper anterior tooth guide groove is formed in one side, close to the lip-cheek wing, of the upper tooth groove, and a lower anterior tooth guide groove is formed in one side, close to the tongue-palate wing, of the lower tooth groove; and in the rear tooth area, the upper tooth groove deviates to the lip-cheek wing direction, and the lower tooth groove deviates to the tongue-palate wing direction. According to the utility model, the upper tooth groove and the lower tooth groove form a shallow-covering shallow-covering groove guiding shape which accords with a natural normal dental arch, so that the upper dental arch and the lower dental arch can be more favorably guided to establish a normal shallow-covering shallow-covering occlusion relationship in the wearing and training process.

The application discloses a kind of upper front teeth depressor and correction method, including micro-implant anchorage nail, main bow, auxiliary bow and bracket;Bracket is fixed on the tooth crown of the upper front teeth needing adjustment, main bow transversely penetrates bracket and connects several brackets located on different tooth crowns, the micro-implant anchorage nail is one in left and right respectively, and is arranged between the buccal side of left and right two sides second premolar and first molar of maxilla, the two ends of auxiliary bow are connected with micro-implant anchorage nail respectively, and form the pressure lowering force to upper front teeth;Auxiliary bow and implant nail are combined, the force of auxiliary bow directly acts on upper front teeth, and reaction force is cancelled on implant nail, without adverse effect on dentition;Without affecting posterior teeth, upper front teeth are absolutely pressed down.

The utility model belongs to the field of orthodontic instruments, and discloses a locking deep-covering appliance which is an occlusion induction appliance and comprises an appliance body with a jaw pad, an upper containing groove and a lower containing groove, the thickness of the jaw pad in an anterior tooth area is larger than an inhabitation jaw gap of a patient so that the tooth jaw of the patient can be opened for occlusion, and therefore a space for tooth movement is provided. An upper correction groove is formed in the anterior tooth area of the upper containing groove, the inclination angle of the upper correction groove is smaller than that of the upper anterior teeth of a patient, continuous correction force is applied by means of the inclination angle difference of the correction grooves, receding grooves are formed in the posterior tooth areas of the upper containing groove and the lower containing groove so that the posterior teeth can extend, and therefore the upper anterior teeth and the lower anterior teeth can be gradually separated in the vertical direction; therefore, the problem of locking deep covering is effectively corrected.

The manufacturing method of the digital snoring device of the present invention includes the following steps: obtaining initial three-dimensional data of the maxillary and mandibular dentition; confirming the midline positions of the upper and lower anterior teeth when the upper and lower anterior teeth are occluded in the centric mandibular position by occluding them on the upper and lower anterior teeth pads of the mandibular pad; obtaining a reference mandibular protrusion amount and a matching occlusal opening amount corresponding to the specifications of the snoring device to be manufactured, with the mandibular protrusion position aligned with the midlines of the upper and lower anterior teeth, and fixing the positional relationship of the upper and lower anterior teeth pads at this time; reconstructing final three-dimensional data of the maxillary and mandibular dentition through oral scanning, with the upper and lower anterior teeth occluded on the mandibular pad with the fixed positional relationship; and manufacturing the snoring device based on the final three-dimensional data. The mandibular pad has a racetrack-like outer contour, with the labial upper and lower groove walls being arc segments rising from the two curved sides of the base material and extending left and right to the 3-3 position of the anterior teeth; the width of the bend allows the lower anterior teeth pad to be protruded relative to the upper anterior teeth pad to the maximum mandibular protrusion position.

A method for digitally designing a denture for a patient, where the denture includes a plurality of denture teeth, where designing the denture includes transforming denture teeth of the denture, wherein the method includes obtaining a 3D scan of the upper jaw and lower jaw of the patient; obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion; digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth; digitally grouping the denture teeth in four groups, the four groups includes an upper anterior group, a lower anterior group, a left posterior group, and a right posterior group; and digitally arranging the upper anterior group first, the left and right posterior groups second and the lower anterior group third.

The invention relates to an invisible orthodontic device with a lingual arch wire, which comprises a transparent orthodontic appliance sleeved on teeth, a palate bar, a torsion spring and a thick arch wire, the thick arch wire acts on the lingual side of anterior teeth, one end of the torsional spring is connected with the thick arch wire, and the other end of the torsional spring is connected with the palatal bar; the palatal bar penetrates through the transparent appliance to be connected with molar teeth, and the torsion spring pushes the thick arch wire to generate force towards the lip side on anterior teeth; according to the invention, the arch wire is arranged on the lingual side of the anterior teeth, and the arch wire generates a force towards the lip side on the anterior teeth through the torsion spring, so that the lingual inclined movement of the crown of the anterior teeth caused by the transparent appliance in the adduction process of the anterior teeth in a tooth extraction case is effectively resisted, the transparent appliance can be matched to control the torque of the anterior teeth, the integral adduction of the anterior teeth is realized, and the three-dimensional accurate control is realized; the orthodontic treatment course is accelerated, and the orthodontic treatment effect is improved.

The invention discloses a low-stimulation anti-falling upper anterior tooth fixed parallel guide CAD / CAM customization method, which comprises the following steps of: obtaining upper anterior tooth lingual side local scanning data and occlusion records, and constructing a virtual tooth jaw model; designing a guide plate body completely attached to the tooth surface and a positioning cap and a connecting rod integrated with the guide plate body on the model; the integrated component is subjected to 3D printing through light-cured resin; the connecting rod and the positioning cap are removed by grinding after the connecting rod is directly placed in place and adhered to a dental surface clinically; according to the method, only the upper anterior tooth lingual key local morphology data and the occlusion height information need to be acquired through limitation, and the step of acquiring and processing complete three-dimensional data of the whole tooth in a traditional digital scheme is abandoned, so that the data acquisition and preprocessing process is greatly simplified, the data storage and calculation load is reduced, and the data processing efficiency is improved. Therefore, the starting point of the whole customization process is more efficient, and the problem of process complexity caused by wide data requirements is solved.

The invention provides an orthodontic tooth socket and an orthodontic kit. The orthodontic tooth socket comprises: an occlusal pad which extends in an arch shape and defines a plane tangent to two end parts in the extension direction of the occlusal pad as a rear end surface; the upper outer stopper is connected to the outer end of the occlusal pad and arranged on one side of the occlusal pad in a protruding mode, the upper outer stopper is provided with a first middle part used for being arranged on the lip side of the upper anterior teeth, and the first middle part is provided with a first inner wall face, and the vertical distance between the first inner wall face and the rear end face is a first distance L1; the lower outer stopper is connected to the outer end of the occlusal pad, is convexly arranged on one side, deviating from the upper outer stopper, of the occlusal pad, and is provided with a second middle part which is arranged on the lip side of lower anterior teeth, and the second middle part is provided with a second inner wall surface of which the vertical distance to the rear end surface is a second distance L2; the first distance L1 and the second distance L2 meet the condition that L1-L2 is greater than or equal to 4mm, so that the first inner wall surface is spaced from the upper anterior teeth, and the second inner wall surface is attached to the lower anterior teeth. According to the orthodontic tooth socket provided by the invention, a space required by forward movement of the lower jaw can be opened up, and a space basis is provided for subsequently guiding the lower jaw.

The utility model discloses a muscle agonist which comprises an upper jaw part and a lower jaw part, the upper jaw part and the lower jaw part are connected through a connecting part, and the upper jaw part, the lower jaw part and the connecting part are integrally manufactured. The upper jaw part at least wraps upper jaw anterior teeth, and the lower jaw part at least wraps a lower anterior tooth area. The fixing effect is stronger, the direct control on the movement of the upper anterior teeth is increased, and the limitation on the position of the lower jaw is stronger.