CN110916822A - Orthodontic braces - Google Patents
Orthodontic braces Download PDFInfo
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- CN110916822A CN110916822A CN201811094628.7A CN201811094628A CN110916822A CN 110916822 A CN110916822 A CN 110916822A CN 201811094628 A CN201811094628 A CN 201811094628A CN 110916822 A CN110916822 A CN 110916822A
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- elastic arm
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
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- Oral & Maxillofacial Surgery (AREA)
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to a correcting tooth socket which can be assembled and disassembled on the dental arch of a user to correct the dental arch from an original contour to a target contour with a shape different from the original contour, the correcting tooth socket comprises a plurality of elastic arms contacted with the tongue side or the cheek side of the dental arch, the elastic arms are connected with each other to form a correcting contour, the correcting contour conforms to at least one part of the target contour and is provided with at least one turning part positioned at the connecting position of the two elastic arms, when the correcting tooth socket is assembled on the dental arch with the original contour, at least one elastic arm is extruded or stretched by the dental arch, and then the turning part is used as a fulcrum to generate elastic force acting on the dental arch; wherein the elastic arm does not exceed the height of an occlusal surface of the dental arch to prevent saliva from accumulating in the mouthpiece and to solve other problems derived from the thickness of the mouthpiece at the occlusal surface in the past.
Description
Technical Field
The invention relates to a tooth correcting sleeve, in particular to a tooth correcting sleeve which is arranged on a dental arch and corrects the arrangement mode of teeth.
Background
The regularly arranged teeth are beautiful in appearance, and can reduce unnecessary abrasion of the teeth, dead angles of tooth brushing or load of jaw joints. However, in order to align teeth with poor inherent arrangement, the orthodontic appliance is an indispensable and important component for orthodontic treatment.
In the conventional correction, it is general that the arrangement position of teeth is gradually changed mainly by attaching an appliance for connecting a correction wire bent in a shape similar to an arch on the surface of the teeth and then by continuously applying a force given by the correction wire, however, there are many problems in using the method of attaching the appliance on the teeth; in addition to the aesthetic appearance, the conventional orthoses have a certain volume and thickness which make the wearer uncomfortable, and the edges of the orthoses also easily scratch the tongue or cheek, causing skin breaks or ulceration of the mucous membrane.
Therefore, manufacturers have developed a method for correcting teeth by gradually changing the positions of teeth by wearing different types of braces one after another by using a brace (e.g., a hidden fit brace) that is worn or removed by a user without sticking an aligner on the surfaces of the teeth.
The most common mode of the tooth socket is a shell mode with uniform thickness sleeved on the whole dental crown and generated by a 3D printing or plastic sheet vacuum forming mode, the semi-closed shell design easily causes odor due to the fact that saliva is easily accumulated in the shell, and the material at the occlusal surface has a certain thickness, so that the problem that the oral cavity cannot be normally closed and the pronunciation and the saliva are affected when the tooth socket is worn in occlusion, and in addition, the occlusal surface of the tooth socket is bitten by a user due to actions such as teeth grinding and the like during the wearing process and possibly needs to be completely replaced, and the phenomenon of open bite even after long-time wearing is generated along with the extension of correction time.
Disclosure of Invention
To solve the above technical problems, the present invention aims to: provided is a orthodontic shell which does not cover the occlusal surface when worn, prevents saliva from accumulating in the shell, and prevents other problems derived from the thickness of the shell at the occlusal surface.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a orthodontic shell detachably attachable to an arch of a user to straighten the arch from an original contour to a target contour having a shape different from the original contour, the orthodontic shell comprising a plurality of resilient arms contacting a lingual side or a buccal side of the arch, the plurality of resilient arms being connected to each other to form a orthodontic contour conforming to at least a portion of the target contour and having at least one inflection point located at a connecting position of the resilient arms such that when the orthodontic shell is attached to the arch having the original contour, at least one of the resilient arms is pressed or stretched by the arch to thereby generate an elastic force acting on the arch with the inflection point as a fulcrum; wherein the height of the elastic arm does not exceed the height of an occlusal surface of the dental arch.
The orthodontic braces of the present invention, wherein the resilient arms include a first resilient arm and a second resilient arm that contact the buccal side or the lingual side of the dental arch, and the first resilient arm and the second resilient arm simultaneously form an action portion that pushes against the dental arch when the orthodontic braces are installed on the dental arch having the original contour.
The first elastic arm has a first thickness, the second elastic arm has a second thickness, and the second thickness is larger than the first thickness, so that when the orthodontic braces are installed on the dental arches with the original contours, the first elastic arm forms a first action part which performs a larger pushing action on the dental arches, and the second elastic arm forms a second action part which performs a smaller pushing action on the dental arches.
In the orthodontic brace, one end of the elastic arm is provided with a surrounding part which is provided with a bend so as to surround at least one tooth of the dental arch together with the elastic arm from the buccal side and the lingual side.
The wall surface of the correcting tooth socket forming the surrounding part has a first thickness, the elastic arm connected with the surrounding part has a second thickness, and the second thickness is larger than the first thickness.
The correcting tooth socket is characterized in that a stretching part is arranged between the surrounding part and the elastic arm, and the wall thickness of the stretching part is smaller than that of the elastic arm and the surrounding part.
In the orthodontic braces, the elastic arms form a convex block towards the tongue side or the cheek side, and the convex block is arranged between two adjacent teeth of the dental arch.
The side, close to the occlusal surface, of the convex block of the orthodontic tooth socket is aligned with the occlusal surface.
The orthodontic braces have an inner resilient arm contacting the lingual side of the dental arch and an outer resilient arm contacting the buccal side of the dental arch, both ends of the outer resilient arm being connected to both ends of the inner resilient arm by a bend, respectively, such that the buccal and lingual sides of the dental arch are completely surrounded by the orthodontic braces.
The correcting tooth socket is characterized in that the elastic arm is provided with a groove for connecting the elastic piece, and the elastic piece applies an external acting force different from the force application direction of the elastic arm to the elastic arm through the groove.
Compared with the prior art, the invention adopting the technical scheme has the advantages that: the orthodontic braces corresponding to different orthodontic requirements are generated by the elastic arms in a shape change or thickness change mode, and the orthodontic braces only cover the lingual side or the buccal side of teeth under normal conditions but not cover the occlusal surfaces of the teeth, so that the occlusion height of upper and lower rows of teeth can not be influenced by the thickness problem to realize normal closing, and the occlusion height of the upper and lower rows of teeth can not influence pronunciation and running of saliva or cause open bite phenomenon because the occlusal surfaces are not covered, the structure of the braces can not be broken due to external force impact from the teeth, and the saliva can normally pass in and out and is not easy to accumulate odor.
Drawings
FIG. 1 is a schematic view of an orthodontic sheath of the invention in one embodiment;
FIG. 2 is a schematic view of a corrective mouthpiece of the present invention in another embodiment;
FIG. 3 is a side schematic view of the embodiment of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the dental arch of the embodiment of FIG. 2;
FIG. 5 is a schematic representation of a corrective mouthpiece of the present invention in another class of embodiments;
FIG. 6 is a schematic view of an orthodontic sheath of the invention in one embodiment;
FIG. 7 is a schematic view of an orthodontic sheath of the invention in one embodiment;
FIG. 8 is a schematic view of an embodiment of a corrective mouthpiece of the present invention for correcting localized areas;
FIG. 9 is a schematic view of an alternative embodiment of a correction socket according to the present invention for correcting a localized area;
FIG. 10 is a schematic view of another embodiment of an orthodontic shell of the invention for correcting a localized area;
FIG. 11A is a schematic representation of a orthodontic brace of the invention in yet another embodiment;
11B and 11C are schematic views of a corrective socket according to yet another embodiment of the present invention;
figure 11D is a schematic illustration of the mouthpiece of figures 11B and 11C when used together;
FIG. 12 is a schematic view of another embodiment of an orthodontic shell of the invention used to modify a localized area;
figure 13 is a schematic view of another embodiment of a corrective mouthpiece of the present invention for modifying a localized area.
Description of reference numerals: 10-correcting tooth sockets; 11-a spring arm; 110-mating grooves; 111-mating ridges; 112-inflection point; 11A-a first resilient arm; 110A-a first thickness; 11B-a second resilient arm; 110B-a second thickness; 11C-inner spring arm; 11D-outer spring arm; 12A-a first active portion; 12B-a second acting portion; 13-wall height; 14-a surround; 141-bending; 15-a stretching section; a 16-U shaped structure; 17-a groove; 170-an elastic member; 18-raised bumps; 20-dental arch; 21-teeth; 22-a crown; 23-occlusal surface; 230-occlusal height.
Detailed Description
The invention will be further described with reference to specific embodiments and drawings, and the advantages and features of the invention will become more apparent as the description proceeds.
Referring to fig. 1 to 12, the orthodontic braces 10 of the present invention comprise a body detachably installed on an arch 20 of a user such that the arch 20 is straightened from an original contour before the orthodontic braces 10 are used to a target contour (a contour determined by an orthodontist, the contour is not necessarily a contour completed at the time of straightening, but may be a contour of a transition state during the straightening), which is different from the original contour, the body comprising two elastic arms 11 contacting a lingual side or a buccal side of the arch 20, the two elastic arms 11 being provided with fitting grooves 110 having a shape substantially matching a shape of a side of a crown 22 of each tooth 21 of the arch 20, and fitting ridges 111 between the fitting grooves 110, the elastic arms 11 being connected to each other to construct a straightening contour similar to the target contour, the orthodontic profile conforms to at least a portion of the target profile and has at least one inflection point 112 located at a connecting position of the two resilient arms 11, so that when the orthodontic socket 10 is installed to the dental arch 20 having the original profile, since the original profile of the dental arch 20 is different from the orthodontic profile of the orthodontic socket 10, at least one of the resilient arms 11 is pressed or stretched by the dental arch 20, thereby generating an elastic force acting on the teeth 21 of the dental arch 20 with the inflection point 112 as a fulcrum.
Referring to fig. 1 to 4, in the embodiment of fig. 1, the orthodontic braces 10 are installed at lingual positions of the dental arches 20, and the elastic arms 11 include a first elastic arm 11A and a second elastic arm 11B contacting the buccal side or the lingual side of the dental arch 20, so that when the orthodontic braces 10 are installed at the dental arch 20 having the original contour, the first elastic arm 11A and the second elastic arm 11B simultaneously form an acting portion for pushing the dental arch 20 against the dental arch 20 (in the direction of the arrow in the figure), so that the dental arch 20 in a crowded arrangement is straightened from the crowded original contour to the target contour having a shape which is more expanded than the original contour.
However, the present invention is not limited to the installation position of the orthodontic shell 10, and the configuration position may be changed as required to affect the action of the orthodontic shell 10 on the dental arch 20, such as in the embodiment of fig. 2, the orthodontic shell 10 is installed at the buccal side position of the dental arch 20 such that the dental arch 20 with a large bite line is contracted from the original contour with an excessively large gap between teeth 21 to the target contour having a shape different from the original contour; as shown in fig. 3 and 4, in the orthodontic braces 10 of the present invention, the wall heights 13 of the plurality of elastic arms 11 do not exceed an occlusal height 230 between the occlusal surface 23 of the arch 20 and the gum (not shown), so that the orthodontic braces 10 contact only the lateral surface of the crown 22 of the tooth 21 and do not cover the occlusal surface 23 of the crown 22 during installation, without causing height changes of the occlusal surface 23 of the upper and lower jaws, and without causing problems such as accumulation of saliva or influence of pronunciation, as in the conventional braces.
Furthermore, the present invention is not limited to the cross-sectional shape of the orthodontic shell 10 so that in the embodiment of figure 4, the orthodontic shell 10 may be a uniform thickness component such that the cross-section generally assumes a rectangular shape that matches the curvature of the surface of the tooth 21, while in other embodiments the cross-section may be other shapes such as triangular or semi-curved.
Referring to fig. 5 to 7, in order to enhance the connection relationship between the orthodontic braces 10 and the dental arch 20 to prevent the orthodontic braces 10 from easily separating from the dental arch 20 during the pushing process, in the embodiment of fig. 5 to 7, one end of the elastic arm 11 is provided with a surrounding portion 14, and the surrounding portion 14 has a bend 141 to surround at least one tooth 21 of the dental arch 20 at the end together with the elastic arm 11 from both the buccal side and the lingual side; in the embodiment shown in fig. 5 and 6, the surrounding portion 14 surrounds the teeth 21 at two ends of the dental arch 20, and the teeth 21 located in the surrounding portion 14 are pushed against the other teeth 21 not located in the surrounding portion 14 in the same direction; in the embodiment shown in fig. 7, since the direction of the force applied to the teeth 21 by the elastic arms 11 is according to the direction difference between the correction contour and the target contour of the correction socket 10, when the original contour of the dental arch 20 is a condition that the teeth 21 at one end are misaligned with the dental arch 20, in order to adjust the position of the teeth 21 at the end, the target contour of the dental arch 20 becomes a complete arch shape, in the embodiment shown in fig. 7, the force applying direction of the teeth 21 surrounded by the surrounding portion 14 may be opposite to the force applying direction of the teeth 21 at the other portion of the dental arch 20 (the direction shown by the arrow in fig. 7).
Referring to fig. 8, regarding another variation applying the surrounding portion 14, in an embodiment, in order to pull the individual teeth 21 and reduce the gap between the two teeth 21, a stretching portion 15 may be disposed between the elastic arm 11 and the surrounding portion 14, and in order to pull the teeth 21 surrounded by the surrounding portion 14, the wall thickness of the stretching portion 15 is smaller than the wall thickness of the surrounding portion 14 and the elastic arm 11.
In one class of embodiments, as shown in fig. 9 to 10, in order to simultaneously change the arrangement of a plurality of teeth 21 on one side of the dental arch 20 at a time, for example, in the embodiment of fixing one side of the dental arch 20 and expanding only the other side of the dental arch 20 as shown in fig. 9 and 10, the elastic arm 11 includes a first elastic arm 11A contacting the lingual side (other embodiments may be the buccal side) of the dental arch 20 and a second elastic arm 11B having a thickness different from that of the first elastic arm 11A, when the orthodontic braces 10 are installed on the dental arch 20 having the original contour, the first elastic arm 11A and the second elastic arm 11B simultaneously form an acting portion for pushing against the dental arch 20, and as shown in fig. 9, the first elastic arm 11A has a first thickness 110A, the second elastic arm 11B has a second thickness 110B, since the first thickness 110A is smaller than the second thickness 110B, when the orthodontic shell 10 is attached to the dental arch 20 having the original contour, the first resilient arm 11A can form a first acting portion 12A that exerts a large pushing action on the dental arch 20, and the second resilient arm 11B can form a second acting portion 12B that exerts a small pushing action on the dental arch 20.
Alternatively, as shown in fig. 10, in another embodiment, the first acting portion 12A may be provided with the surrounding portion 14, and form a U-shaped structure 16 surrounding a plurality of teeth 21 together with the surrounding portion 14, and in order to generate different pushing forces between the teeth 21 surrounded by the surrounding portion 14 and the teeth 21 not surrounded by the surrounding portion 14, a wall surface forming the surrounding portion 14 has a first thickness 110A, and the elastic arm 11 on the body not forming the surrounding portion 14 has a second thickness 110B, and the first thickness 110A is smaller than the second thickness 110B.
Referring to fig. 11A to 11D, in order to simultaneously change the shape of the entire dental arch 20 at a time, in the embodiment shown in fig. 9A, the orthodontic shell 10 has an inner elastic arm 11C contacting the lingual side of the dental arch 20 and an outer elastic arm 11D contacting the buccal side of the dental arch 20, and both ends of the outer elastic arm 11D are connected to both ends of the inner elastic arm 11C by a bend 141, respectively, such that the buccal side and the lingual side of the dental arch 20 are completely surrounded by the orthodontic shell 10, but the orthodontic shell 10 does not cover the occlusal surface 23 as much.
In addition, referring to fig. 11B and 11C, in the previous embodiment, since the orthodontic braces 10 only rely on the relative position relationship between the teeth 21 of the arch 20 to perform alignment when changing the shape of the arch 20, rather than change based on a reference point in the mouth, in the embodiment of fig. 11B and 11C, the elastic arm 11 of the orthodontic braces 10 may be formed with a groove 17 for connecting an elastic member 170 (e.g., a rubber ring or a spring connected to a bone nail disposed in the mouth), so that the elastic member 170 applies an external force to the elastic arm 11 through the groove 17, which is different from the direction of the application force of the elastic arm 11, to position the orthodontic braces 10;
referring to fig. 11D, in the embodiment, the elastic member 170 is the orthodontic band 10 simultaneously connected to the arch 20 of the upper and lower jaws so that the teeth 21 of the arch 20 of the upper and lower jaws are positioned to match each other; in the embodiments shown in fig. 9B to 9D, the groove 17 is formed by a groove 17 extending from the small hook of the elastic arm 11, and in other embodiments, the groove 17 may be formed on a rod extending from the elastic arm 11, or the groove 17 may be directly formed on the elastic arm 11 by utilizing the wall thickness of the elastic arm 11.
The orthodontic braces 10 of the present invention can also create the tooth implanting space by pushing, as shown in fig. 12, in the embodiment, the elastic arm 11 of the orthodontic braces 10 faces the lingual side or the buccal side (depending on the position of the cleft relative to the elastic arm 11) to form a convex block 18, the convex block 18 is disposed in the cleft between two adjacent teeth 21 of the dental arch 20, and the surrounding portion 14 is also disposed on the same elastic arm 11; similarly, in order to enlarge the slit, the second wall 110B of the surrounding portion 14 is smaller than the first wall 110A of the elastic arm 11.
Finally, in some malocclusions, that is, in the case where there is a gap between the teeth 21 of the upper and lower jaws when the teeth 21 of the upper and lower jaws are occluded and the teeth 21 of the other jaw do not match with the gap when the teeth 21 are occluded, since the teeth 21 are gradually extended toward the other side to break the occlusal surface 23 of the original teeth, in the embodiment of fig. 13, the protruding piece 18 is formed toward the lingual side or the buccal side (determined according to the position of the cleft relative to the elastic arm 11) of the orthodontic glove 10, and the protruding piece 18 is aligned with the occlusal surface 23 at a side close to the occlusal surface 23, so that the teeth 21 which are not pushed by the teeth 21 of the other jaw can be pushed by the protruding piece 18 when the teeth 21 are occluded, without gradually extending, and thus maintaining the position of the occlusal surface 23 on the side.
The foregoing description and examples are exemplary only, and are not intended to limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A orthodontic braces detachably mountable to an arch of a user for correcting said arch from an original contour to a target contour having a shape different from said original contour, said orthodontic braces comprising a plurality of resilient arms contacting a lingual side or a buccal side of said arch, said plurality of resilient arms being connected to each other to form a correction contour conforming to at least a portion of said target contour and having at least one inflection point located at a connecting position of said resilient arms such that when said orthodontic braces are mounted to said arch having said original contour, at least one of said resilient arms is pressed or stretched by said arch to thereby generate a resilient force acting on said arch with said inflection point as a fulcrum; wherein the height of the elastic arm does not exceed the height of an occlusal surface of the dental arch.
2. The orthodontic mouthpiece of claim 1 wherein: the elastic arms comprise a first elastic arm and a second elastic arm which are contacted with the buccal side or the lingual side of the dental arch, and when the orthodontic braces are installed on the dental arch with the original contour, the first elastic arm and the second elastic arm simultaneously form action parts for pushing against the dental arch.
3. The orthodontic mouthpiece of claim 2 wherein: the first elastic arm has a first thickness, the second elastic arm has a second thickness, and the second thickness is larger than the first thickness, so that when the orthodontic braces are installed on the dental arches with the original contours, the first elastic arm forms a first acting part which performs a large pushing action on the dental arches, and the second elastic arm forms a second acting part which performs a small pushing action on the dental arches.
4. The orthodontic mouthpiece of claim 1 wherein: one end of the elastic arm is provided with a surrounding part which is provided with a bend so as to surround at least one tooth of the dental arch together with the elastic arm from the buccal side and the lingual side.
5. The orthodontic mouthpiece of claim 4 wherein: the wall surface forming the surrounding part has a first thickness, and the elastic arm connected with the surrounding part has a second thickness, and the second thickness is larger than the first thickness.
6. The orthodontic mouthpiece of claim 4 wherein: a stretching part is arranged between the surrounding part and the elastic arm, and the wall thickness of the stretching part is smaller than that of the elastic arm and the surrounding part.
7. The orthodontic mouthpiece of claim 1 wherein: the elastic arm is provided with a convex block towards the tongue side or the cheek side, and the convex block is arranged between two adjacent teeth of the dental arch.
8. The orthodontic mouthpiece of claim 7 wherein: one side of the convex block close to the occlusal surface is aligned with the occlusal surface.
9. The orthodontic mouthpiece of claim 1 wherein: the orthodontic braces have an inner resilient arm contacting the lingual side of the dental arch and an outer resilient arm contacting the buccal side of the dental arch, both ends of the outer resilient arm being connected to both ends of the inner resilient arm by a bend, respectively, such that the buccal and lingual sides of the dental arch are completely surrounded by the orthodontic braces.
10. The orthodontic mouthpiece of claim 1 wherein: the elastic arm is provided with a groove for connecting an elastic part, and the elastic part applies an external acting force different from the force application direction of the elastic arm to the elastic arm through the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094628.7A CN110916822A (en) | 2018-09-19 | 2018-09-19 | Orthodontic braces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094628.7A CN110916822A (en) | 2018-09-19 | 2018-09-19 | Orthodontic braces |
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| Publication Number | Publication Date |
|---|---|
| CN110916822A true CN110916822A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811094628.7A Pending CN110916822A (en) | 2018-09-19 | 2018-09-19 | Orthodontic braces |
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| Country | Link |
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| CN (1) | CN110916822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112006793A (en) * | 2020-08-21 | 2020-12-01 | 南京医科大学附属口腔医院 | Balloon water pressure type tooth orthotic devices |
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| CN112006793B (en) * | 2020-08-21 | 2022-01-14 | 南京医科大学附属口腔医院 | Balloon water pressure type tooth orthotic devices |
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Application publication date: 20200327 |