CN216221730U - Child tooth accessory, shell-shaped dental appliance, dental appliance and set - Google Patents
Child tooth accessory, shell-shaped dental appliance, dental appliance and set Download PDFInfo
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- CN216221730U CN216221730U CN202121189194.6U CN202121189194U CN216221730U CN 216221730 U CN216221730 U CN 216221730U CN 202121189194 U CN202121189194 U CN 202121189194U CN 216221730 U CN216221730 U CN 216221730U
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Abstract
The utility model discloses an infant tooth accessory and a shell-shaped dental appliance which are matched for use, and the infant tooth accessory and the shell-shaped dental appliance comprise a mounting surface, a stress surface and a removal auxiliary surface, wherein the mounting surface is a curved surface for fixedly mounting the infant tooth accessory on the surface of a tooth; the stress surface is a curved surface protruding towards the lip/buccal side direction, and the stress surface has a geometric structure which only generates retention force when being matched with the shell-shaped dental appliance for use; the extraction aid surface is a surface of the tooth attachment on a side thereof adjacent to the gum to facilitate extraction of the shell-like dental appliance from the tooth. The utility model also discloses a shell-shaped dental appliance, a dental appliance and a shell-shaped dental appliance set which are matched with the children's teeth accessories. The dental attachments of the utility model enhance the retention of the shell dental appliance to the shorter dentition of the teeth through the structural design thereof, and reduce the oral discomfort of the dental attachments when used in the mouth of a patient.
Description
Technical Field
The utility model belongs to the technical field of tooth correction, and particularly relates to the technical field of bracket-free invisible correction, in particular to an infant tooth accessory, a shell-shaped dental corrector, a dental correction instrument and a shell-shaped dental corrector set.
Background
Compared with the traditional orthodontic diagnosis and treatment technology, the bracket-free invisible correction technology is selected by more and more people due to the advantages of comfortable wearing and attractive appearance. However, the existing invisible orthodontic treatment has certain limitations on the early orthodontic treatment of deciduous dentition, mixed dentition and constant dentition, mainly because patients are low in age and teeth needing orthodontic treatment are mostly deciduous teeth or permanent teeth which are not completely erupted. When the patient wears shell-shaped dental appliance, the contact area between the invisible appliance and the teeth is too small, the invisible appliance can be sleeved on the teeth stably because the friction force is insufficient, the invisible appliance falls off from the teeth in the wearing process of the patient, and the appliance cannot be normally used.
When the conventional retention accessories are used for teeth with short crowns in deciduous dentitions, mixed dentitions and early permanent dentitions (particularly deciduous teeth and incompletely erupted permanent teeth), the small size of the conventional retention accessories cannot achieve the retention strength required by correction, and meanwhile, the problem that the invisible appliance is easy to fall off from the teeth is not solved. Conventional retention attachments of too large a size provide a greater foreign body sensation in the patient's mouth, greatly reducing the patient's comfort during the correction process.
To this end, the present application provides a solution to the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of overcoming the defects in the prior art and provides a novel children tooth accessory, a shell-shaped dental appliance and a dental appliance set.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an infant tooth accessory matched with a shell-shaped dental appliance comprises a mounting surface, a stress surface and a removal auxiliary surface, wherein the mounting surface is a curved surface for fixedly mounting the infant tooth accessory on the surface of a tooth; the stress surface is a curved surface protruding towards the lip/buccal side direction, and the stress surface has a geometric structure which only generates retention force when being matched with the shell-shaped dental appliance for use; the extraction aid surface is a surface of the tooth attachment on a side thereof adjacent to the gum to facilitate extraction of the shell-like dental appliance from the tooth.
Preferably, the force bearing surface is a curved surface with a surface area accounting for more than 40% of the surface area of the attachment.
Preferably, the ablation auxiliary surface is a plane or a curved surface having at least one tangent parallel to the jaw plane.
Preferably, the ablation auxiliary surface is a plane or a curved surface with at least one tangent parallel to the plane of the orbital-ear.
Preferably, the ablation auxiliary surface is a curved surface protruding towards the gum direction, and the lowest point of the curved surface does not exceed the highest point of the corresponding gum line.
Preferably, the percentage of the coverage area of the mounting surface on the corresponding tooth accounts for 40-80% of the area of the corresponding tooth.
Preferably, the angle alpha formed by two tangent lines symmetrical to the long axis of the tooth on the stress surface at the position farthest away from the corresponding tooth surface is between 90 degrees and 160 degrees.
Further preferably, the angle alpha formed by two tangent lines on the force bearing surface, which are symmetrical to the long axis of the tooth at the position farthest away from the corresponding tooth surface, is between 100 and 130 degrees.
Preferably, the force-bearing surface is inclined towards the gum direction, and the angle of the inclination angle is between 30 and 50 degrees, wherein the inclination angle is the included angle between a straight line on the jaw plane in the lip/cheek-tongue direction and a tangent line of the highest point of the force-bearing surface.
The utility model also provides a shell-shaped dental appliance which comprises a plurality of tooth receiving cavities for receiving teeth and one or more accessory receiving cavities for receiving the child tooth accessories fixed on the teeth, wherein the tooth receiving cavities are communicated with the accessory receiving cavities, and the geometric shapes of the accessory receiving cavities are basically consistent with the geometric shapes of any one of the tooth accessories for interacting with the shell-shaped dental appliance.
Preferably, the tooth receiving cavity has a geometry that causes at least a partially received tooth to move from a first position to a second position.
Preferably, the geometry of the accessory receiving cavity accommodates movement of the tooth accessory when the received tooth is moved from a first position to a second position.
The application also discloses a dental appliance, include as in any one of above-mentioned deciduous tooth annex and as in any one of above-mentioned deciduous tooth ware is rescued to shellliform dental, wherein, shellliform dental appliance with the cooperation of deciduous tooth annex is used, when wearing, the annex storage chamber that the ware was rescued to shellliform dental is accomodate the deciduous tooth annex, the atress face of deciduous tooth annex with only produce the retention force between the annex storage chamber.
The application also discloses a shelly dentistry appliance suit includes first shelly body and second shelly body, its characterized in that, first shelly body is worn at the upper jaw tooth, first shelly body is worn at the lower jaw tooth, first shelly body is arbitrary in the aforesaid shelly dentistry appliance and/or the second shelly body is arbitrary in the aforesaid shelly dentistry appliance, first shelly body with the cooperation of second shelly body is used.
Preferably, the accessory housing chamber of the first shell-like body is not in contact with the second shell-like body when worn.
The child tooth accessory, the shell-shaped dental appliance, the dental appliance and the set provided by the utility model can bring the following beneficial effects:
the child tooth accessory comprises an installation surface, a stress surface and a removal auxiliary surface, wherein the contact area between the installation surface and the tooth surface is increased, so that the child tooth accessory is not easy to fall off from the tooth after being bonded; the smooth cambered surface structure of the stress surface enables the shell-shaped dental appliance to be convenient for the patient to take off and wear by the child tooth accessory; the dental attachments of the utility model enhance the retention of the shell dental appliance to the shorter dentition of the teeth through the structural design thereof, and reduce the oral discomfort of the dental attachments when used in the mouth of a patient.
Drawings
The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
FIG. 1 is a schematic view of one embodiment of a juvenile dental attachment of the present invention;
FIG. 2 is a schematic view of another angle of the present invention of the child tooth attachment;
FIG. 3 is a schematic view of an alternative angled configuration of the present invention of the child's dental attachment;
FIG. 4 is a schematic view of the dental attachment of the present invention in use;
FIG. 5 is a schematic view of another embodiment of the present invention of a juvenile dental accessory;
FIG. 6 is a schematic view of a dental appliance of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
Referring to fig. 1, the child tooth attachment 1 of the present invention is used with a shell-shaped dental appliance 3, and includes a mounting surface 11, a stressed surface 12 and a removal auxiliary surface 13, wherein the mounting surface 11 is a curved surface for fixedly mounting the child tooth attachment on a tooth surface; the stress surface 12 is a curved surface protruding towards the lip/buccal side, and the stress surface 12 has a geometric structure which only generates retention force when being matched with the shell-shaped dental appliance 3 for use; the extraction aid surface 13 is a surface of the tooth attachment on the gingival side that facilitates extraction of the shell dental appliance 3 from the tooth. The mounting surface 11, the stress surface 12 and the removal auxiliary surface 13 are connected smoothly to enclose the auxiliary child tooth part 1. The children's teeth accessory 1 is preferably designed as a solid structure.
Further, the force bearing surface 12 is designed to be a curved surface with a surface area of more than 40% of the surface area of the attachment, so that the design has the advantage that the contact between the force bearing surface 12 and the shell-shaped dental appliance 3 is increased, so that the friction between the child attachment 1 and the shell-shaped dental appliance 3 is increased, and the retention force of the shell-shaped dental appliance 3 to the shorter tooth row of the crown is enhanced.
Meanwhile, referring to fig. 2, after the children's teeth accessory 1 is adhered to the surface of the teeth, the stress surface 12 is symmetrical about the long axis D-D ' of the teeth (i.e. the midline of the children's teeth accessory 1 is coincident with the long axis D-D ', so as to ensure that the children's teeth accessory 1 only provides the retention force required in the orthodontic treatment and does not apply the undesired orthodontic force to the teeth in the using process. The angle α formed by the two upper tangents to the long axis of the tooth at the point 121 furthest from its corresponding tooth surface on said force-bearing surface 12 is approximately between 90 ° and 160 °, preferably α is any obtuse angle between 100 ° and 130 °. The mode of increase stress surface 12 area is the obtuse angle through setting up alpha in this application, and the benefit that sets up like this lies in can guaranteeing the area of stress surface 12, simultaneously the children's teeth annex 1 does not occupy great space in cheek/lip tongue side direction, has alleviateed the foreign body sensation of patient when using, has improved and has rescued in-process patient's comfort level. In particular, the width b of the said attachment 1 in the mesial-distal direction is comprised between about 4mm and 6mm, preferably b is about 5 mm; the length a of the attachment 1 in the buccal/labial-lingual direction is between about 2mm and 4mm, preferably a is about 3 mm.
In some embodiments, referring to FIG. 3, the length c of the ablation assist surface 13 in the buccal/labial/lingual direction is between about 1mm and about 3mm, preferably about 2mm, and the surface area of the ablation assist surface 13 is less than 40% of the surface area of the attachment, such that excessive contact of the ablation assist surface 13 with the patient's gums during use is avoided. The ablation auxiliary surface 13 can be arranged as a plane parallel to the jaw plane or the orbital-ear plane, the planar structure of the ablation auxiliary surface 13 is more easily manipulated during the pasting, and the matched arrangement of the ablation auxiliary surface 13 also facilitates the taking and wearing of the shell-shaped dental appliance 3. The stress surface 12 is arranged in an inclined manner towards the gum direction, the inclined angle is beta, beta is an included angle between a straight line PA on the jaw plane in the lip/cheek-tongue direction and a tangent PB of the highest point of the stress surface 12, and beta is about 30-50 degrees.
Referring to fig. 4, the coverage area of the mounting surface 11 of the children teeth attachment 1 covering the corresponding teeth 2 accounts for 40% -80% of the area of the corresponding teeth, and accounts for 5% -20% of the surface of the teeth as compared with the conventional teeth retention attachment in the prior art without bracket invisible correction field, and the teeth attachment 1 of the present application covers a larger area of the teeth, so that the children teeth attachment 1 is more easily adhered to the surface of the teeth and is not easily dropped from the teeth 2.
In some embodiments, referring to FIG. 5, the ablation assist surface 13 is curved in a gum direction with the lowest point of the curve not exceeding the highest point of the corresponding gum line. When the auxiliary tooth part 1 of the children tooth in the embodiment is adhered to the tooth surface of the patient, the removal auxiliary surface 13 is adhered to the tooth surface close to the gum of the patient, and the removal auxiliary surface 13 protruding towards the gum direction is not contacted with the gum of the patient, so that the comfort degree of the oral cavity of the patient is ensured when the auxiliary tooth part 1 is used.
Referring to fig. 3 to 6, the present application further includes a shell-shaped dental appliance 3, which includes a plurality of tooth receiving cavities for receiving teeth and one or more accessory receiving cavities 31 for receiving the child tooth accessories 1 fixed on the teeth, the tooth receiving cavities being in communication with the accessory receiving cavities 31, wherein the geometry of the accessory receiving cavities 31 substantially matches the geometry of the tooth accessories for interacting with the shell-shaped dental appliance 3 as described in any of the above embodiments. The tooth receiving cavity has a geometry that causes at least a partially received tooth to move from a first position to a second position. The geometry of the accessory receiving cavity 31 accommodates movement of the tooth accessory when the received tooth is moved from a first position to a second position.
The application also comprises a dental appliance, which is shown in fig. 6 and comprises an infant tooth accessory 1 in any one of the embodiments and a shell-shaped dental appliance 3 in any one of the embodiments, wherein the shell-shaped dental appliance 3 is matched with the infant tooth accessory 1 for use, when the dental appliance is worn, the accessory storage cavity 31 of the shell-shaped dental appliance 3 stores the infant tooth accessory 1, and only a retaining force is generated between the stress surface 12 of the infant tooth accessory 1 and the accessory storage cavity 31. The structure of the child teeth accessory 1 and the accessory storage cavity 31 can enhance the retention of the shell-shaped dental appliance 3 on teeth, and can well solve the problem that the shell-shaped dental appliance 3 is not easy to retain on teenagers' teeth.
The application also includes a shell-shaped dental appliance set, including first shell-shaped body and second shell-shaped body, first shell-shaped body is worn at the upper jaw tooth, first shell-shaped body is worn at the lower jaw tooth, ware 3 is rescued for foretell shell-shaped dental to first shell-shaped body and/or ware 3 is rescued for foretell shell-shaped dental to second shell-shaped body, first shell-shaped body with the cooperation of second shell-shaped body is used. When the patient wears the shell-shaped dental appliance set, the accessory receiving cavity 31 of the first shell-shaped body is not in contact with the second shell-shaped body. Specifically, the force bearing surface 12 of the child tooth attachment 1 inclines to the gum direction by a certain angle, so that the attachment accommodating cavity 31 of the first shell-shaped body is not contacted with the second shell-shaped body in the occlusion process of a patient, the design has the advantage that the arrangement of the attachment accommodating cavity 31 does not generate undesirable correcting force, and the correcting precision is improved.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (15)
1. An infant tooth accessory is matched with a shell-shaped dental appliance for use and is characterized by comprising a mounting surface, a stress surface and a removal auxiliary surface, wherein the mounting surface is a curved surface for fixedly mounting the infant tooth accessory on the surface of a tooth; the stress surface is a curved surface protruding towards the lip/buccal side direction, and the stress surface has a geometric structure which only generates retention force when being matched with the shell-shaped dental appliance for use; the extraction aid surface is a surface of the child tooth attachment on a side close to the gum to facilitate extraction of the shell-like dental appliance from the tooth.
2. The children's dental attachment according to claim 1, wherein the force-bearing surface is a curved surface having a surface area that is greater than 40% of a surface area of the attachment.
3. The orthodontic accessory of claim 1, wherein the ablation aid surface is a plane or curved surface having at least one tangent parallel to the jaw plane.
4. The juvenile dental attachment of claim 1, wherein the extraction aid surface is planar or curved with at least one tangent parallel to the orbital-ear plane.
5. The accessory of claim 1, wherein the ablation assist surface is curved in a gum-wise direction, the lowest point of the curve not exceeding the highest point of the corresponding gum line.
6. The children's dental attachment according to claim 1, wherein a coverage area of the mounting surface to cover the corresponding tooth is 40% to 80% of an area of the corresponding tooth.
7. The children's dental attachment according to claim 1, wherein the angle α formed by two tangent lines to the long axis of the tooth at the position farthest from its corresponding tooth surface on the force-bearing surface is between 90 ° and 160 °.
8. The children's dental attachment according to claim 7, wherein the angle α formed by two tangent lines to the long axis of the tooth at the position farthest from the corresponding tooth surface on the force-bearing surface is between 100 ° and 130 °.
9. The accessory according to claim 1, wherein the force-receiving surface is inclined in a gingival direction by an angle of between 30 ° and 50 °, wherein the angle is an angle between a line on the jaw plane in a lip/bucco-lingual direction and a tangent line to a highest point of the force-receiving surface.
10. A shell-shaped dental appliance comprising a plurality of tooth receiving cavities for receiving teeth and one or more accessory receiving cavities for receiving an attachment to be affixed to the teeth, the tooth receiving cavities being in communication with the accessory receiving cavities, wherein the geometry of the accessory receiving cavities substantially matches the geometry of a tooth accessory of any one of claims 1 to 9 for interacting with the shell-shaped dental appliance.
11. The shell dental appliance of claim 10, wherein the tooth receiving cavity has a geometry that causes at least a partially received tooth to move from a first position to a second position.
12. The shell dental appliance of claim 11, wherein the geometry of the accessory-receiving cavity accommodates movement of the tooth accessory as the received tooth moves from a first position to a second position.
13. A dental appliance comprising an orthodontic attachment as claimed in any one of claims 1 to 9 and a shell dental appliance as claimed in any one of claims 10 to 12, wherein the shell dental appliance cooperates with the orthodontic attachment such that, when worn, the orthodontic attachment is received in the appliance receiving cavity of the shell dental appliance and only a retaining force is generated between the stressed surface of the orthodontic attachment and the appliance receiving cavity.
14. A set of shell-shaped dental appliances comprising a first shell-shaped body and a second shell-shaped body, wherein the first shell-shaped body is worn on maxillary teeth, the first shell-shaped body is worn on mandibular teeth, the first shell-shaped body is the shell-shaped dental appliance of any one of claims 10 to 12 and/or the second shell-shaped body is the shell-shaped dental appliance of any one of claims 10 to 12, and the first shell-shaped body and the second shell-shaped body are used in cooperation.
15. The shell-like dental appliance kit of claim 14, wherein the accessory-receiving cavity of the first shell-like body is not in contact with the second shell-like body when worn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189194.6U CN216221730U (en) | 2021-05-31 | 2021-05-31 | Child tooth accessory, shell-shaped dental appliance, dental appliance and set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121189194.6U CN216221730U (en) | 2021-05-31 | 2021-05-31 | Child tooth accessory, shell-shaped dental appliance, dental appliance and set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216221730U true CN216221730U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121189194.6U Active CN216221730U (en) | 2021-05-31 | 2021-05-31 | Child tooth accessory, shell-shaped dental appliance, dental appliance and set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216221730U (en) |
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2021
- 2021-05-31 CN CN202121189194.6U patent/CN216221730U/en active Active
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