CN212755941U - Appliance for correcting class I classification error of Anshi II in dental period - Google Patents
Appliance for correcting class I classification error of Anshi II in dental period Download PDFInfo
- Publication number
- CN212755941U CN212755941U CN202020776507.7U CN202020776507U CN212755941U CN 212755941 U CN212755941 U CN 212755941U CN 202020776507 U CN202020776507 U CN 202020776507U CN 212755941 U CN212755941 U CN 212755941U
- Authority
- CN
- China
- Prior art keywords
- base support
- arch
- appliance
- inclined plane
- right base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model belongs to the field of medical equipment, especially, relate to a be used for correcting II class I classification mistakes of an shi of replacing the tooth phase
The orthosis of (1). Including labial arch, left base and right base, all be equipped with arrow point snap ring and adjacent hook on left base and the right base, all be equipped with the inclined plane guide part that is located the front teeth inboard of upper jaw on left base and the right base, the inclined plane guide part promotes the front teeth of lower jaw and is close to front teeth of upper jaw in the closed in-process of upper jaw and lower jaw, the both ends of labial arch respectively with left baseThe base support is connected with the right base support, the left base support is connected with the right base support through the spiral bow expanding device, and the left base support and the right base support are driven to be far away through the spiral bow expanding device. The utility model has the advantages that: enlarge the upper jaw dental arch through each base support cooperation, the base support area is little, wears the convenience, is convenient for wear for a long time, reduces and rescues the treatment course, improves and rescues efficiency to lip arch and inclined plane guide part cooperation can adduction upper jaw, can make the lower jaw protraction reach suitable position again, improve and rescure the effect.
Description
Technical Field
The utility model belongs to the field of medical equipment, especially, relate to a be used for correcting II class I classification mistakes of an shi of replacing the tooth phase
The orthosis of (1).
Background
Anshi class II I is classified as a clinically common maxillofacial deformity, often manifested as protrusion of the upper jaw, retraction of the lower jaw, and scattering of the upper jaw teeth in the gaps, often resulting in an aesthetic problem of the infant. Correction of Anshi class II I classification in the early stage of child development often reduces the degree of malocclusion to achieve normal dental relationships. Commonly used for class i classification correction of the dental prosthesis in the anshi ii is the ackivator (muscle activator), which generally consists of a plastic base without retaining clasps and without force applying means for generating mechanical forces, the upper jaw part of the base covering the entire palate and the lower jaw part extending down to the floor of the mouth. The far middle of the base support reaches the far middle of the first constant molar, and the upper base support and the lower base support are connected. The appliance has the following defects: 1. the base support area is large, the comfort of a patient is poor, and nausea is easy to occur. 2. When the maxillary dental arch is narrow, the orthodontic force for expanding the dental arch can not be generated, so that synchronous arch expansion can not be generated for patients with mandibular dental arch stenosis, and the Anshi class II I classification is usually caused by the maxillary dental arch stenosis. 3. Wearing the appliance can influence speaking, and is not beneficial to wearing for a long time, thereby prolonging the correcting time.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a method for correcting class I classification errors in class II dental prostheses
The correcting device is used for solving the problems of large base support area, inconvenient wearing, long correcting course and the like in the prior art.
To achieve the above and other related objects, the present invention provides a method for correcting class I misclassification of class II Anshi in the dental period
The appliance comprises a labial arch, a left base support and a right base support, wherein the left base support and the right base support are both provided with a left base support and a right base supportThe left base support and the right base support are respectively provided with an inclined guide part positioned on the inner side of the front upper teeth, the inclined guide parts push the lower jaw to move upwards to approach the upper jaw in the closing process of the upper jaw and the lower jaw, two ends of the labial arch are respectively connected with the left base support and the right base support, the left base support and the right base support are connected through a spiral arch expander, and the left base support and the right base support are driven to be far away through the spiral arch expander.
The utility model has the advantages that: enlarge the upper jaw dental arch through each base support cooperation, the base support area is little, wears the convenience, is convenient for wear for a long time, reduces and rescues the treatment course, improves and rescues efficiency to the lip arch can be rescued the upper jaw with the cooperation of inclined plane guide part, can make the lower jaw stretch forward again and reach suitable position, improves and rescues the effect.
Optionally, the adjacent hook is located between the arrow snap ring and a connection, where the connection is a connection between the lip arch and the corresponding base.
Optionally, the inclined plane guide part forms an included angle of 45-60 degrees with the horizontal plane.
Optionally, the inclined surface guide part forms an included angle of 60 ° with the horizontal plane.
Optionally, the distance that the left base and the right base are driven to move close to each other or move away from each other by the spiral bow expander is 0.25 mm.
Optionally, one end of the lip arch close to the corresponding base is provided with a bending adjusting portion, and the bending adjusting portion is located on the outer side of the corresponding base.
Optionally, the first end of the adjacent hook and the two ends of the arrow snap ring are embedded in the corresponding base, and the hook clamp at the second end of the adjacent hook and the hanging portion of the arrow snap ring are located on the outer side of the corresponding base.
Optionally, when the distance between the anterior maxillary tooth and the anterior mandibular tooth is greater than 5mm and less than 10mm, the distance between the front end of the inclined plane guide and the anterior maxillary tooth is 2mm to 3 mm.
Optionally, when the distance between the anterior maxillary tooth and the anterior mandibular tooth is greater than 10mm, the distance between the front end of the inclined plane guide and the anterior maxillary tooth is 4mm to 6 mm.
Optionally, the lip bow, the arrow snap ring and the adjacent hook are all made of stainless steel wires; the left base support and the right base support are both made of resin.
The beneficial effect of adopting the above optional scheme is: the structure adjustment is nimble convenient, and is small, wears easy operation convenience, wears the firm, and the sick children can wear to rescue the time extension every day, and it is effectual to rescue.
Drawings
FIG. 1 shows that the present invention is used for correcting class I classification errors of class II Anshi in the tooth replacement period
The structure schematic diagram of the appliance;
FIG. 2 shows that the utility model is used for correcting class I classification errors of class II of Anshi in the tooth replacing period
The lip arch of the appliance of (1);
FIG. 3 shows that the utility model is used for correcting class I classification errors of class II of Anshi in the tooth replacing period
Schematic working diagram of the slope guide of the appliance.
Description of reference numerals
1, a left base support;
11 a slope guide part;
12 arrow head snap ring;
121, sleeving and hanging parts;
13 adjacent hook;
131 is hooked and clamped;
2, a right base support;
21 a slope guide part;
22 an arrow snap ring;
221 a hanging part;
23 adjacent to the interhook;
231 hooking and clamping;
3, a spiral bow expander;
4, the lip arch;
41 bending adjusting part;
5 the upper jaw;
51 maxillary anterior teeth;
6, a lower jaw;
61 anterior mandibular teeth.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in figures 1 to 3, the present invention is used for correcting class I classification errors of an's class II dental prosthesis
The appliance comprises a lip arch 4, a left base support 1 and a right base support 2, wherein an arrow head snap ring 12 and an adjacent hook 13 which are used for fixing the left base support 1 are arranged on the left base support 1, an arrow head snap ring 22 and an adjacent hook 23 which are used for fixing the right base support 2 are arranged on the right base support 2, and the left base support 1 and the right base support 2 are stably installed in the oral cavity through the cooperation of the arrow head snap ring and the adjacent hook. The left base support 1 is provided with a part which is positioned at the inner side of the maxillary anterior toothThe right base 2 is provided with a slope guide part 11 which is positioned at the inner side of the front upper teeth, the slope guide part 11 and the slope guide part 21 push the lower jaw 6 to approach to the upper jaw 5 in the closing process of the upper jaw 5 and the lower jaw 6, so that the front lower jaw 61 is guided to move forwards, the retracted lower jaw 6 can be corrected to reach a proper position, and the tooth correction is realized. The two ends of the labial arch 4 are respectively connected with the left base 1 and the right base 2, the left base 1 and the right base 2 are connected through the spiral arch expander 3, the spiral arch expander 3 drives the left base 1 and the right base 2 to be far away from the maxillary dental arch, and the maxillary anterior teeth 51 are corrected through the labial arch 4.
The utility model discloses a rescue the ware and pass through the arrow point snap ring, the maintenance of each base support is realized to the hook between adjacent, and expand the bow ware through the spiral between left base support and the right base support and connect the adjustment that realizes left base support and right base support, realize the expansion of upper jaw dental arch, the correction of upper jaw front tooth has been realized through the labial arch, left base support and right base support have set up the inclined plane guide part, make when upper jaw and lower jaw are closed, the correction of upper jaw and lower jaw is realized simultaneously to the inclined plane guide part and labial arch cooperation, this rescue the ware structure is small, and it is convenient to wear.
In an exemplary embodiment, as shown in fig. 1, the adjacent hooks on the same base are located between the arrowhead snap ring and the connection point of the lip arch and the base, and the structural layout is adopted to improve the installation stability of each base. The first end of the adjacent hook and the two ends of the arrow snap ring are embedded in the corresponding base, and the hook clamp at the second end of the adjacent hook and the sleeve hanging part of the arrow snap ring are positioned on the outer side of the corresponding base. For example, the hitching part 121 of the arrow snap ring 12 is positioned at the outer side of the left base 1, the left base 1 is positioned at the inner side of the left upper jaw, the hitching part 121 is hitched on the permanent molar of the left upper jaw, the second end of the adjacent interhook 13 is positioned between two adjacent deciduous molar gaps of the left upper jaw, and the left base 1 is limited to be separated from the deciduous molar by the hook clamp 131; the cover of arrow point snap ring 22 is hung portion 221 and is located the outside of right base 2, and right base 2 is located the upper right jaw inboard, and cover is hung portion 221 cover and is hung on the permanent molar of upper right jaw, and the second end of adjacent hook 23 is located between two adjacent breast molar gaps of upper right jaw to restrict right base 2 through hook card 231 and break away from breast molar, realized the maintenance of corresponding base through the cooperation of each arrow point snap ring, adjacent hook, the installation is stable. The lip bow 4, the arrow head snap ring and the adjacent hook are all made of stainless steel wires, can deform in a proper range, can realize the adjustment of the retention tightness of the corresponding base support through adjusting the sleeve hanging part and the hook clip, and are flexible and convenient to install and adjust; the left base support 1 and the right base support 2 are made of resin, the performance is stable, the forming is convenient, the lip arch 4, the arrow head snap ring and the adjacent hooks are convenient to bury, each part is made of different materials so as to meet the functions and the performances of different parts, the correction effect is improved, and the manufacturing difficulty is also reduced.
As shown in fig. 1 and 3, in an exemplary embodiment, the included angle α of the inclined plane guide 11 with the horizontal plane may be 45 ° to 60 °, and the included angle α includes 45 ° and 60 °, for example, the included angle α of the inclined plane guide 11 with the horizontal plane is 60 °, and the inclined plane guide 11 is provided with a proper inclination angle to improve the correction effect. In this embodiment, the inclined plane guide portion 11 of the left base 1 is taken as an example, an included angle formed between the inclined plane guide portion 21 of the right base 2 and the horizontal plane may be 45 ° to 60 °, the included angle includes 45 ° and 60 °, and the included angle formed between the inclined plane guide portion 21 and the horizontal plane is equal to the included angle formed between the inclined plane guide portion 11 and the horizontal plane, so as to ensure the correction effect.
As shown in fig. 1, in an exemplary embodiment, a distance that the spiral bow expander 3 drives the left base 1 and the right base 2 to move away for each time may be 0.25mm, that is, a distance that the spiral bow expander 3 adjusts for each time is 0.25mm, where the spiral bow expander 3 is a prior art and is not described herein again. The screw reamer 3 drives the left base support 1 and the right base support 2 to be away from the expanded upper jaw dental arch, the upper jaw anterior teeth 51 can be adducted by adjusting the bending adjusting part 41 of the labial arch 4 after the upper jaw dental arch is expanded, the deep coverage is reduced, and the upper jaw dental arch and the lower jaw dental arch are coordinated. The spiral arch expander is matched with the left base and the right base which are provided with the inclined plane guide parts, so that the width of the maxillary dental arch is increased while the mandibular retraction is corrected, and meanwhile, the maxillary anterior teeth are controlled in the sagittal direction (the sagittal direction refers to the direction in which an X-ray central line is shot from the front or the back of a human body and is parallel to the sagittal plane), and the correction effect is improved. The one end that the labial arch 4 is close to corresponding the base support is equipped with the regulation part of bending 41, the regulation part of bending 41 is located the outside that corresponds the base support, during the installation, the regulation part of bending 41 corresponds with the upper jaw breast canine tooth, begin upwards buckling by the middle part of upper jaw breast canine tooth, and the top of the regulation part of bending 41 is higher than the top of upper jaw breast canine tooth, when the regulation part of bending 41 is U type structure, the opening of the regulation part of bending 41 is down, make labial arch 4 shrink the thrust augmentation through adjusting the regulation part of bending 41, thereby make labial arch 4 adduction maxilla anterior tooth 51, improve the correction effect.
As shown in fig. 1 to 3, in an exemplary embodiment, when the distance D1 between the anterior maxillary tooth 51 and the anterior mandibular tooth 61 is greater than 5mm and less than 10mm, the distance D2 between the front end of the bevel guide 11 and the anterior maxillary tooth 51 may be 2mm to 3mm, inclusive of 2mm and 3 mm. When the distance D1 between the anterior maxillary tooth 51 and the anterior mandibular tooth 61 is greater than 10mm, the distance D2 between the front end of the bevel guide 11 and the anterior maxillary tooth may be 4mm to 6mm, inclusive, 4mm to 6mm, for example, D2 is 5 mm. The proper distance between the front end of the inclined plane guide part 11 and the maxillary anterior teeth 51 is set according to the distance between the maxillary anterior teeth 51 and the mandibular anterior teeth 61, so that the phenomenon that the temporomandibular joint is overloaded due to one-time correction transition caused by the excessively small distance D2 can be avoided, and the phenomenon that the universality of the inclined plane guide part is reduced due to the excessively large distance D2 and the cost is increased can be avoided.
The working process is as follows: the curved surface section slice and the skull side slice of the patient are shot, and the patient is determined to belong to class I classification patients of Anshi II in the dental period through measurement and analysis. When the distance between the front upper teeth and the front lower teeth of a patient is larger than 10mm, the distance between the front end of the inclined plane guide part and the front upper teeth of the patient is 4-6 mm, the front lower teeth are firstly led out, then the inclined plane guide part is manufactured again to lead out the retracted front lower teeth completely, namely when the distance between the front upper teeth and the front lower teeth is corrected to be larger than 5mm and smaller than 10mm, the inclined plane guide part is manufactured again, and at the moment, the distance between the front end of the inclined plane guide part and the front upper teeth is 2-3 mm. After a patient with narrow maxillary dental arch wears the appliance, under the condition that the retention force is enough, the spiral arch expander can apply force twice a week, each time the spiral arch expander expands by 0.25mm, namely the left base and the right base are far away from 0.25mm each time the left base and the right base are adjusted, the spiral arch expander can be adjusted to enable the bases to be matched with each other to expand the maxillary dental arch, and meanwhile, maxillary anterior teeth are further adducted through labial arches. The patient can wear the device all day except eating, the time of the double-examination can be once a month, the expansion degree of the maxillary dental arch of the patient needs to be checked during the double-examination, if the maxillary dental arch is expanded to be normal, the adjustment of the spiral arch expander can be stopped, and the device can be worn for more than three months to prevent relapse. During the re-diagnosis, the bending regulating part is regulated to apply force to the labial arch and the maxillary anterior teeth are retracted inwards. When the mandible is analyzed to be extended to the normal position through cephalometric measurement, namely the ANB angle in the cephalometric measurement is 4.7 +/-1.4 degrees, the posterior occlusion relation is Anshi class I relation, and the correction can be finished after more than three months.
The utility model discloses a II class I classification mistake of an shi of an tooth stage
The appliance expands the upper jaw dental arch through the matching action of the connecting and fixing components such as an arrow snap ring and an adjacent hook, the left base support, the right base support and the like, so that when the lower jaw front teeth are occluded in the front inclined plane of the inclined plane guide part, the lower jaw rear teeth are separated from the locking knot of the upper jaw rear teeth, the interference or the limitation of the upper jaw to the lower jaw is removed, the lower jaw is guided to move forwards under the action of the inclined plane guide part, so that the lower jaw extends forwards to a proper position to correct the rear retraction deformity of the lower jaw, and meanwhile, the inclined plane guide part has the function of pressing the lower jaw front teeth to correct a deeper span Curve (Spee Curve). And the labial arch acts on the anterior maxillary teeth, so that the anterior maxillary teeth scattered in the gap are stressed and adducted, and the adduction and correction effects of the anterior maxillary teeth are improved. When the lower jaw anterior teeth extend forwards and are occluded on the inclined plane guide part, the force of muscle stretching is transmitted to the labial arch through the base support, and the labial arch is applied to the upper jaw anterior teeth again, so that the force for inhibiting the forward growth is generated on the upper jaw anterior teeth and the upper jaw, and the problem of the abnormal three-dimensional direction of the upper jaw and the lower jaw is corrected. In addition, the appliance is small in size, easy to wear and adapt, can be worn in the daytime and at night except for eating, increases the correction time and shortens the correction treatment course.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. Class I classification error for correcting class II of Anshi in dental period
The appliance is characterized in that: the labial arch fixing device comprises a labial arch, a left base support and a right base support, wherein arrow head snap rings and adjacent hooks for fixing the left base support and the right base support are arranged on the left base support and the right base support, inclined plane guide parts positioned on the inner sides of front upper teeth are arranged on the left base support and the right base support, the inclined plane guide parts push lower jaws to approach to the upper jaw in the closing process of the upper jaw and the lower jaws, two ends of the labial arch are respectively connected with the left base support and the right base support, the left base support and the right base support are connected through a spiral arch expander, and the left base support and the right base support are driven to be far away through the spiral arch expander.
2. The method of claim 1, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: the adjacent hook is positioned between the arrow snap ring and a joint, and the joint is the joint of the lip arch and the corresponding base.
3. The method of claim 1, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: the inclined plane guide part and the horizontal plane form an included angle of 45-60 degrees.
4. The method of claim 3, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: the inclined plane guide part and the horizontal plane form an included angle of 60 degrees.
5. The method of claim 1, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: the spiral bow expander drives the left base support and the right base support to move close to each other or move away from each other by 0.25mm each time.
6. The method of claim 1, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: and one end of the lip arch close to the corresponding base support is provided with a bending adjusting part, and the bending adjusting part is positioned on the outer side of the corresponding base support.
7. The method of claim 1, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: the first end of the adjacent hook and the two ends of the arrow snap ring are embedded in the corresponding base supports, and the hook clamp at the second end of the adjacent hook and the sleeving and hanging part of the arrow snap ring are located on the outer sides of the corresponding base supports.
8. The method of claim 1, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: when the distance between the anterior maxillary tooth and the anterior mandibular tooth is more than 5mm and less than 10mm, the distance between the front end of the inclined plane guide part and the anterior maxillary tooth is 2 mm-3 mm.
9. The method of claim 1, wherein the method is used for correcting class II classification errors of dental caries
The appliance is characterized in that: when the distance between the anterior maxillary tooth and the anterior mandibular tooth is larger than 10mm, the distance between the front end of the inclined plane guide part and the anterior maxillary tooth is 4 mm-6 mm.
10. The method according to any one of claims 1 to 9, for correcting class ii classification errors of dental caries
The appliance is characterized in that: the lip bow, the arrow head snap ring and the adjacent hook are all made of stainless steel wires; the left base support and the right base support are both made of resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020776507.7U CN212755941U (en) | 2020-05-12 | 2020-05-12 | Appliance for correcting class I classification error of Anshi II in dental period |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020776507.7U CN212755941U (en) | 2020-05-12 | 2020-05-12 | Appliance for correcting class I classification error of Anshi II in dental period |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212755941U true CN212755941U (en) | 2021-03-23 |
Family
ID=75067039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020776507.7U Active CN212755941U (en) | 2020-05-12 | 2020-05-12 | Appliance for correcting class I classification error of Anshi II in dental period |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212755941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413223A (en) * | 2021-06-09 | 2021-09-21 | 浙江大学 | Functional appliance capable of dynamically monitoring correction force value based on flexible electronic system and preparation method thereof |
-
2020
- 2020-05-12 CN CN202020776507.7U patent/CN212755941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413223A (en) * | 2021-06-09 | 2021-09-21 | 浙江大学 | Functional appliance capable of dynamically monitoring correction force value based on flexible electronic system and preparation method thereof |
| CN113413223B (en) * | 2021-06-09 | 2022-05-10 | 浙江大学 | Functional appliance capable of dynamically monitoring correction force value based on flexible electronic system and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11517403B2 (en) | Adjustable sleep apnea oral appliance | |
| US9744006B2 (en) | Oral apparatuses and methods for mandibular jaw manipulation | |
| US9655695B2 (en) | Oral apparatuses and methods for mandibular jaw manipulation | |
| CN104434323B (en) | For correcting oral appliance, the system and method for mandibular protrusion Ш class problem | |
| AU2015202785B2 (en) | Anterior development and postural trainer | |
| US4773853A (en) | Oral orthopedic appliance | |
| KR101864311B1 (en) | Class iii malocclusion orthodontic appliance | |
| AU2016362285A1 (en) | Adjustable sleep apnea oral appliance | |
| US20060029899A1 (en) | Developed face bow and protraction headgear in correction of anterior openbite Class III patients | |
| CN105726143B (en) | A kind of expansion arcuate activator for being used to correct II class misfit | |
| CN206198065U (en) | Anti- Upper Anterior Teeth lip incline type mandibular ncoplasms rescue it is lower close pad and pairing pad appliance | |
| CA2109768C (en) | Artificial posterior teeth | |
| US4416626A (en) | Method for recapturing anterior displaced mandibular disc and orthopedic device therefor | |
| Lima Filho et al. | Mandibular changes in skeletal class II patients treated with Kloehn cervical headgear | |
| US20230263598A1 (en) | Orthodontic appliance with orthopedic function | |
| CN104825240A (en) | Appliance for guiding mandible forward and/or getting rid of bad habit of sucking lower lip and preparation method thereof | |
| US20220362051A1 (en) | Lingual positioning device for sleep, breathing, jaw and airway disorders | |
| CN212755941U (en) | Appliance for correcting class I classification error of Anshi II in dental period | |
| CN207270396U (en) | The shelly-shaped dental appliance of interference is closed for rescuing tooth | |
| CN117379200A (en) | Method for manufacturing early appliance for guiding growth and reconstruction of mandible by using maxillary occlusion structure | |
| CN210541881U (en) | Composite device for simultaneously realizing three-dimensional movement of orthodontic teeth by front traction of maxilla | |
| CN217696910U (en) | Corrector for correcting type II ANSHI bone occlusion resolution ratio II | |
| CN116392273B (en) | Correction device for misjaw deformity and manufacturing method | |
| CN219579078U (en) | Early correction device suitable for growth and development of children | |
| CN216603118U (en) | Appliance for correcting bone type II errors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |