CN209916247U - Lingual retainer - Google Patents
Lingual retainer Download PDFInfo
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- CN209916247U CN209916247U CN201920161124.6U CN201920161124U CN209916247U CN 209916247 U CN209916247 U CN 209916247U CN 201920161124 U CN201920161124 U CN 201920161124U CN 209916247 U CN209916247 U CN 209916247U
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- lingual
- teeth
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- fixing
- holding part
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Abstract
The utility model discloses a lingual retainer, which relates to the field of orthodontic treatment and comprises a lingual base plate, wherein the lingual base plate comprises a retaining part for retaining the position of teeth, and the retaining part is adhered and fixed on the lingual side of the teeth; fixing parts for assisting in fixing the holding part are formed at two ends of the holding part in an extending mode, and the two fixing parts are supported on the side face of the tongue close to the teeth in a mode of being matched with the tooth jaw; the tissue surfaces of the holding part and the fixing part, which are contacted with the lingual side of the teeth, are respectively provided with a grid structure for assisting the bonding and the fixing. Compared with the method of adhesively fixing the smooth surface and the lingual side of the teeth, the method of adhesively fixing the surface with the grid structure and the lingual side of the teeth is firmer, which is beneficial to improving the stability of the lingual retainer.
Description
Technical Field
The utility model relates to an orthodontic field especially relates to a lingual retainer.
Background
A retainer, which is an orthodontic tool that maintains the existing alignment and bite relationship of teeth and prevents recurrence at the end of tooth straightening. After removal of the appliance, the teeth are not stable in the new position, at which point the retainer needs to be worn to hold the teeth in the new position over the alveolar bone, awaiting reconstruction of the alveolar bone.
There is a prior art patent with publication number CN204698740U, which discloses a tooth holder, comprising a tooth sheath for covering teeth, wherein two ends of the tooth sheath extend towards two sides respectively to form a gum sheath for covering the teeth, and a medicine cavity is formed between the gum sheath and the tooth sheath, and the medicine cavity is a strip-shaped cavity protruding upwards.
In the actual use process, the tooth sleeve is fixed on the tooth in an adhesion mode, but the surface of the tooth sleeve, which is contacted with the tooth, is a smooth curved surface, so that the effect when the adhesive is used for adhering and fixing the tooth holder is poor, the tooth holder is easy to fall off, and the prior art has the improvement.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a lingual retainer sets up the grid structure on one side through the lingual side tooth of lingual side bottom plate and tooth laminating mutually to reach the purpose of leaving the adhesive in the grid structure, and then reach the purpose that improves tooth retainer stability in use.
In order to achieve the above purpose, the utility model provides a following technical scheme: a lingual retainer comprising a lingual base plate including a retaining portion to be fixed to a lingual side of a tooth; fixing parts for assisting in fixing the holding part are formed at two ends of the holding part in an extending mode, and the two fixing parts are supported on the lingual side of the adjacent teeth in a manner of being matched with the tooth jaw; a mesh structure for increasing adhesive strength is formed on the surface of the holding part and the fixing part contacting the lingual side of the teeth.
By adopting the technical scheme, the grid structures are formed on the side surfaces of the holding part and the fixing part, which are contacted with the lingual teeth of the teeth, and when a doctor applies the adhesive, the adhesive can be remained in the grid structures; compared with the mode that the smooth surface is adhered and fixed with the lingual teeth of the teeth, the mode that the surface with the grid structure is adhered and fixed with the lingual teeth of the teeth is firmer, and the use stability of the lingual retainer is favorably improved.
The utility model discloses further set up to: the grid structure is a square grid structure which is concave into the surface of the tongue side bottom plate, and the square grid structure comprises a plurality of arranged pits.
Through adopting above-mentioned technical scheme, partial adhesive can be kept in each sunken of grid structure to realize improving the purpose of tongue side retainer bonding fixed stability, and the grid structure that a plurality of sunken constitute jointly, the doctor of being convenient for evenly paints the adhesive.
The utility model discloses further set up to: the grid structure is a square grid structure protruding out of the surface of the tongue side base plate, and the square grid structure comprises a plurality of protrusions which are arranged in an array mode.
By adopting the technical scheme, more adhesives can be trapped between the adjacent bulges of the square grid structure, which is beneficial to further improving the use stability of the tongue side retainer.
The utility model discloses further set up to: the holding part comprises a plurality of coating parts for coating teeth, a connecting part is integrally formed between every two adjacent coating parts, and the grid structure is arranged on the coating parts; the connecting part between two adjacent cladding parts is narrowed in the height direction, and the thickness of the connecting part is greater than that of the cladding part.
Through adopting above-mentioned technical scheme, set up the grid structure on the cladding part to satisfy bonding stability's demand, thicken the thickness of the connecting portion between two adjacent cladding parts simultaneously, in order to reach the purpose of reinforcing tongue side holder intensity, and reduce the failure rate in the course of working.
The utility model discloses further set up to: the area of the grid structure positioned on the same cladding part is larger than two thirds of the area of the same side surface of the same cladding part.
Through adopting above-mentioned technical scheme, the area sum of a plurality of bellyings on same cladding part will be greater than two-thirds of cladding part own medial surface area to guarantee the area of contact size that bonds, thereby reach the purpose that further improves tongue side bottom plate bonding fixation stability.
The utility model discloses further set up to: the thickness of the cladding part and the connecting part is set to be 0.3-0.6 mm.
By adopting the technical scheme, although the thickness of the connecting part needs to be larger than that of the coating part, the thickness of the integral structure formed by the coating part and the connecting part needs to be controlled to be 0.3-0.6mm, so that the requirement on the strength of the tongue side retainer can be met, and the wearing comfort of a patient can be ensured.
The utility model discloses further set up to: the grid structure forms an intensive grid structure, and the grid structure covers lingual teeth of the teeth and forms an enveloping surface structure.
By adopting the technical scheme, the enveloping surface formed by the intensive square grid structure can be completely attached to the lingual teeth of the patient, so that the purpose of improving the using effect and the stability of the lingual retainer is achieved.
The utility model discloses further set up to: the holding part is provided with a needle holding part which is convenient for a doctor to remove the tongue side holder, and the needle holding part is arranged to be a block structure protruding out of the outer side surface of the holding part.
By adopting the technical scheme, a doctor can insert the medical tool into the needle holding part to take off the lingual base plate, and compared with the traditional method (the lingual base plate is pried by the medical tool), the operation is more convenient, and the doctor can conveniently remove the lingual retainer.
To sum up, the utility model discloses following beneficial effect has:
one is as follows: when a doctor applies the adhesive, the adhesive can be remained in the groove, compared with the mode that the smooth surface is fixedly adhered with the lingual teeth of the teeth, the mode that the surface with the protrusions is fixedly adhered with the lingual teeth of the teeth is firmer, and the use stability of the lingual retainer is improved;
the second step is as follows: thickening the connecting part to enhance the structural strength of the tongue-side base plate; meanwhile, the material is not easy to break, and foreign body sensation is reduced;
and thirdly: the outer side surface of the coating part is provided with the needle holding part with an open hollow block structure, so that a doctor can take down the tongue side base plate by matching the needle holding part with a medical tool, and the coating part has better operation convenience.
Drawings
FIG. 1 is a schematic view showing a connection structure of a lingual retainer to a tooth model;
FIG. 2 is a front view of the lingual retainer;
FIG. 3 is a schematic view of the back side structure of the lingual retainer when the lattice structure is formed of protrusions;
FIG. 4 is an enlarged schematic view of section A of FIG. 2;
FIG. 5 is a schematic view of the back side of the lingual retainer when the lattice structure is formed by depressions;
fig. 6 is an enlarged schematic view of a portion B in fig. 4.
Reference numerals: 1. a lingual base plate; 2. a holding section; 21. a covering part; 22. a connecting portion; 3. a fixed part; 4. a grid structure; 41. a protrusion; 42. recessing; 43. a circular hole; 5. a needle holding part.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, 2 and 3, a lingual retainer includes a lingual base plate 1 configured in an arc-shaped structure, the lingual base plate 1 includes a holding portion 2 (the two lingual retainers shown in fig. 1 and 2 have different external shapes) that is fitted to lingual teeth of teeth, the holding portion 2 includes a plurality of coating portions 21 that are computer-modeled based on patient tooth data and are manufactured by a 3D printing technique, and the coating portions 21 are used for coating the lingual teeth of corresponding teeth; a connecting part 22 is integrally formed between two adjacent coating parts 21, and the connecting part 22 plays a role of coating the gap between two adjacent teeth. The fixing portions 3 are respectively formed at two ends of the tongue-side base plate 1 in an extending manner, and the fixing portions 3 are integrally connected with the covering portion 21 through the connecting portion 22 to play a role in assisting in fixing the tongue-side base plate 1. The lingual base plate 1 can be made of elastic metal materials, the fixing parts 3 cover lingual teeth of teeth and are in embedded fit with gaps between two adjacent teeth, and the lingual base plate 1 can be elastically clamped on one side of the lingual teeth of the teeth of a patient under the matching action of the two fixing parts 3; and the inner side surfaces of the covering part 21, the connecting part 22 and the fixing part 3 are adhered and fixed on the lingual teeth of the teeth through adhesive, so as to further fix the lingual base plate 1.
As shown in fig. 3 and 4, the lattice structure 4 is formed on the side of the cover 21 and the fixing part 3 contacting with the lingual tooth of the tooth, and in this embodiment, the lattice structure 4 is an intensive square lattice structure protruding from the lingual base plate 1, that is, the lattice structure 4 is formed by arranging a plurality of protrusions 41 at intervals, and the envelope surface structure formed by the plurality of protrusions 41 is completely attached to the lingual side of the tooth of the patient. When a doctor applies adhesive on the inner side surfaces of the covering part 21 and the fixing part 3 (the inner side surface is a side surface which is adhered with the lingual side surface of the teeth), the adhesive can be more remained in the grid structure 4 on the inner side surface, thereby achieving the purposes of improving the use stability of the lingual retainer and reducing the shedding rate of the lingual retainer.
In order to further improve the use stability of the tongue-side base plate 1, the area of the envelope surface formed by the plurality of protrusions 41 on the same covering portion 21 needs to be larger than two thirds of the area of the inner side surface of the same covering portion 21, so as to improve the bonding fixing area and further improve the bonding strength of the tongue-side base plate 1.
The inner side surface of the connecting part 22 coats the gap between two adjacent teeth and partial lingual side surfaces of the two teeth, the outer side surface of the connecting part 22 forms a smooth arc-shaped structure, the thickness of the connecting part 22 needs to be larger than that of the coating part 21, but the total thickness of the lingual base plate 1 needs to be controlled to be 0.3-0.6mm, namely, the two adjacent coating parts 21 and the connecting part 22 between the two adjacent coating parts form a dumbbell-shaped structure with narrow middle and wide two ends, so that the requirements of structural strength and use stability of the lingual holder can be met, and the wearing comfort of a patient can be improved.
Two needle holding parts 5 convenient for a doctor to remove the lingual retainer are formed on the outer side surface of the holding part 2 facing the oral cavity in an extending manner, the two needle holding parts 5 are symmetrically arranged on the outer side surfaces of the two coating parts 21, and meanwhile, the needle holding parts 5 are arranged into block structures; the doctor can pry the lingual base plate 1 through the cooperation of the medical tool and the needle holding part 5 or insert the needle holding part 5 to pull the lingual base plate 1 outwards so as to facilitate the doctor to remove the lingual retainer.
The present embodiment is further described below with reference to specific actions:
firstly, coating adhesives on the inner side surfaces of the fixed part 3 and the coating part 21, wherein a large amount of adhesives can be remained between the bulges 41 of the intensive square grid structure, and then clamping the lingual base plate 1 on the lingual side of the teeth of the patient, namely, the two fixed parts 3 are elastically embedded on the lingual side of the teeth of the patient and are preliminarily fixed in the oral cavity of the patient through the elasticity of the lingual base plate 1; while fixing, the inner side surface (i.e. the enveloping surface structure of the grid-like structure) of the covering part 21 needs to be attached to the lingual teeth of the teeth, and then the lingual base plate 1 is pressed against the lingual side of the teeth, thereby completing the operation of installing and fixing the lingual retainer.
Example two:
referring to fig. 5 and 6, a lingual retainer differs from the first embodiment in that: the grid structure 4 has different structural shapes, in this embodiment, the grid structure 4 is an intensive square grid structure recessed into the surface of the tongue-side base plate 1, and the intensive square grid structure is formed by arranging a plurality of square depressions 42 at intervals, however, the enveloping surface of the grid structure 4 in this embodiment refers to the inner side surface of the coating portion 21 coating the side surface of the tongue.
The present embodiment is further described below with reference to specific actions:
firstly, coating adhesives on the inner side surfaces of the fixed part 3 and the coating part 21, wherein a large amount of adhesives can be remained in the concave 42 of the intensive square grid structure, and then clamping the tongue side base plate 1 on the tongue side surface of the teeth of a patient, namely, the two fixed parts 3 are elastically embedded on one side of the tongue side surface of the teeth of the patient and are preliminarily fixed in the oral cavity of the patient through the elasticity of the tongue side base plate 1; during fixing, the inner side surface of the covering part 21 is required to be attached to the lingual side surface of the tooth, and then the lingual base plate 1 is pressed against the lingual side surface of the tooth, thereby completing the operation of installing and fixing the lingual retainer.
The present invention is not limited to the above embodiment, and those skilled in the art can make modifications to the embodiment as required without inventive contribution after reading the present specification, but all the modifications are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A lingual retainer comprising a lingual base plate (1), characterized in that: the lingual base plate (1) includes a holding portion (2) fixed to lingual side surfaces of teeth; fixing parts (3) for assisting in fixing the holding part (2) are formed at two ends of the holding part (2) in an extending mode, and the two fixing parts (3) are supported on the lingual side surfaces of the adjacent teeth in a matched mode of the tooth jaws; the surfaces of the holding part (2) and the fixing part (3) which are contacted with the lingual side of the teeth are formed with a grid structure (4) for increasing the bonding strength.
2. A lingual retainer according to claim 1, wherein: the grid structure (4) is a square grid structure which is concave into the surface of the tongue side base plate (1), and the square grid structure comprises a plurality of arranged depressions (42).
3. A lingual retainer according to claim 1, wherein: the grid structure (4) is a square grid structure protruding out of the surface of the tongue side base plate (1), and the square grid structure comprises a plurality of arranged bulges (41).
4. A lingual retainer according to any one of claims 1 to 3, wherein: the holding part (2) comprises a plurality of coating parts (21) for coating teeth, a connecting part (22) is integrally formed between every two adjacent coating parts (21), and the grid structure (4) is arranged on the coating parts (21); the connecting part (22) between two adjacent coating parts (21) is narrowed in the height direction, and the thickness of the connecting part (22) is larger than that of the coating part (21).
5. A lingual retainer according to claim 4, wherein: the area of the grid structure (4) on the same cladding part (21) is larger than two thirds of the area of the same side surface of the same cladding part (21).
6. A lingual retainer according to claim 4, wherein: the thickness of the cladding part (21) and the connecting part (22) is set to be 0.3-0.6 mm.
7. A lingual retainer according to claim 2 or 3, wherein: the grid structure (4) forms an intensive grid structure, and the grid structure (4) covers lingual teeth of the teeth and forms an enveloping surface structure.
8. A lingual retainer according to claim 1, wherein: the holding part (2) is provided with a needle holding part (5) which is convenient for a doctor to remove the tongue side holder, and the needle holding part (5) is arranged to be a block structure protruding out of the outer side surface of the holding part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161124.6U CN209916247U (en) | 2019-01-29 | 2019-01-29 | Lingual retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161124.6U CN209916247U (en) | 2019-01-29 | 2019-01-29 | Lingual retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209916247U true CN209916247U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920161124.6U Active CN209916247U (en) | 2019-01-29 | 2019-01-29 | Lingual retainer |
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| Country | Link |
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| CN (1) | CN209916247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111759495A (en) * | 2020-07-24 | 2020-10-13 | 浙江新亚医疗科技股份有限公司 | Invisible appliance capable of realizing three-dimensional control and manufacturing method thereof |
-
2019
- 2019-01-29 CN CN201920161124.6U patent/CN209916247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111759495A (en) * | 2020-07-24 | 2020-10-13 | 浙江新亚医疗科技股份有限公司 | Invisible appliance capable of realizing three-dimensional control and manufacturing method thereof |
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