CN201500198U - Ceramic bracket with oblique bottom convex pattern for dental orthodontics - Google Patents
Ceramic bracket with oblique bottom convex pattern for dental orthodontics Download PDFInfo
- Publication number
- CN201500198U CN201500198U CN2009202113441U CN200920211344U CN201500198U CN 201500198 U CN201500198 U CN 201500198U CN 2009202113441 U CN2009202113441 U CN 2009202113441U CN 200920211344 U CN200920211344 U CN 200920211344U CN 201500198 U CN201500198 U CN 201500198U
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- ceramic bracket
- bracket
- orthodontics
- ceramic
- gingivae
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Abstract
A ceramic bracket with an oblique bottom convex pattern for dental orthodontics relates to dental orthodontics medical device manufacturing technical field for strengthening teeth in malformed arrangement. The bottom convex part of the ceramic bracket is designed to be simple geometrical body or pattern, obliquity is formed between the moving direction of the convex part and the vertical line of the ceramic bracket, when the ceramic bracket is adhered on the surface of teeth, the obliquity faces to the gingivae and one side of the oral cavity, namely the inner side of gingivae. The ceramic bracket can better bear the shearing force in tooth crown direction due to the obliquity and the fall-off rate of the ceramic bracket during the orthodontics is reduced effectively; meanwhile, after the orthodontics treatment is over, the doctor can use orthodontics pliers to clamp the ceramic bracket and conveniently remove the ceramic bracket from the surface of teeth through exerting force on the combined lateral sides, including one inner side of the gingivae and the oral cavity, and the outer side of the gingivae facing the tooth crowns and exterior of the oral cavity.
Description
Technical field
A kind of bottom protrusion pattern is the dental orthodontic ceramic bracket that has gradient, relates to the orthodontics medical appliance manufacturing technology, is used for deformity is arranged the rectification of tooth.
Background technology
The dental orthodontic ceramic bracket is the medical apparatus and instruments a kind of commonly used that is used for the tooth of correction deformity arrangement.In therapeutic process, require ceramic bracket and dental surface to have higher adhesive fastness to come off to prevent to be subjected to improper external force; After treatment finishes, require it to be shirked from dental surface easily again.
Ceramic material and dental orthodontic adhesive special be because key is widely different, its adhesion a little less than, be subjected to external force and be easy to separated opening as the time spent, become a ceramic bracket and dental surface the weakest interface of when bonding.Existing dental orthodontic in order to improve the adhesion with binding agent, has adopted several different methods for polycrystalline substance with ceramic bracket: as with crudeization of lower surface; Scorification ceramic particle on lower surface; The bottom is made the pattern that becomes projection; Even bossing forms little recessed structure or the like of falling in outer big, and its purpose all is the adhesive fastness of attempting to improve by the physics interlocking of reinforced cementitious dose and pottery bottom ceramic bracket and dental surface, makes bracket difficult drop-off in just abnormal process.
The ceramic bracket quality is hard, can not be as the rustless steel bracket under occuring bending and deformation under the firmly clamping of orthodontic pliers and shirking from dental surface easily, therefore, after ceramic bracket and dental surface adhesive fastness are strengthened greatly, finish just shirking of ceramic bracket of back at orthodontic treatment and become a big problem again.
Existing bottom has the ceramic bracket of raised design, and its protruding direction is parallel with the vertical line of ceramic bracket, so its ability of bearing the shearing force of different directions is identical.Therefore, though its expulsion rate in therapeutic process has been lowered, its shirking after treatment finishes also is difficult.
Summary of the invention
The purpose of this utility model is: it is the ceramic bracket that has gradient that a kind of bottom protrusion pattern is provided, after this ceramic bracket is bonded on the dental surface, its adhesive fastness has diversity on the direction for the ability to bear of external shearing force: it can bear from the bigger shearing force of crown one side and not come off, but can only bear the small shearing force that comes from gingiva one side.As everyone knows, the external shearing force from crown one side is to cause the main reason that bracket comes off in the just abnormal process; And the ability to bear of the shearing force of gingiva one side is reduced, then provide one well to add force direction for shirking ceramic bracket easily.For above-mentioned reasons, this utility model can solve and require ceramic bracket that strong adhesive fastness is arranged in just abnormal process and wish not too strong contradiction of adhesive fastness when shirking.
The bottom of ceramic bracket of the present utility model has the concavo-convex structure of height, and bossing is designed to simple geometric shape or pattern; On Fig. 3, can see having constant slope between the trend of bossing and the vertical line of bracket, represent with sharp angle; This gradient is to determine like this: when bracket correctly was bonded on the dental surface by its tooth position, this sharp angle was towards gingiva and intraoral direction (abbreviating the gum inboard as).When being full of recessed position, bracket bottom, binding agent bracket and dental surface are bondd after the maintenance, the shearing force that comes from the crown direction must be cut off the solidified binding agent that is filled in recessed position, bracket bottom bracket could be peeled off from dental surface, as seen, in just abnormal process, this bottom protrusion is partly with the ceramic bracket of gradient and does not compare difficult drop-off more with the ceramic bracket of gradient.Clamp ceramic bracket and work as orthodontic pliers, side direction crown (tooth closes face) and extrabuccal direction in gum (abbreviate as and close the outside) are when exerting oneself, this utility model bossing because exist one with the gradient of shirking the power approximate direction, so separates with binding agent and split away off than being easier to, thereby ceramic bracket shirks after having made things convenient for orthodontic treatment to finish from tooth.
Advantage of the present utility model is: the bottom protrusion pattern is that to have the ceramic bracket of gradient simple in structure; In just abnormal process, can better bear from the external shearing force of crown direction and do not come off; And after just abnormal process finished, as long as clamp ceramic bracket with orthodontic pliers, side direction was closed lateral direction firmly in the gum, and then ceramic bracket can shirk from dental surface easily.
Description of drawings
Accompanying drawing is the sketch map of this utility model embodiment, wherein:
The axonometric chart of Fig. 1 this utility model embodiment,
The upward view of Fig. 2 this utility model embodiment,
The profile of Fig. 3 this utility model embodiment,
The vertical view of Fig. 4 this utility model embodiment,
Fig. 5 this utility model ceramic bracket is bonded in the sketch map on the dental surface.
Wherein, the ceramic bracket wing 1, ceramic bracket bottom 2, bottom protrusion part 3, bottom recess 4, gingiva side labelling 5, just abnormal adhesive special 6, tooth 7, gingiva 8.
The specific embodiment
The bottom 2 of ceramic bracket of the present utility model has the concavo-convex structure of height, it is cylindric that its bottom protrusion part 3 is designed to simple geometric, its height of projection 0.3mm, one 15 ° gradient α is arranged between the vertical line B of the trend of bottom protrusion part 3 and bracket, the relation of the gingiva side labelling 5 on the direction of this gradient and the ceramic bracket wing 1 is definite constant: as shown in Figure 5, when ceramic bracket is bonded in tooth 7 surperficial going up, end with gingiva side labelling 5 should be the position that is positioned near gingiva 8 one sides, like this, the gradient of bottom protrusion part 3 from the gum inboard towards close the outside.Because the existence of this gradient α, when ceramic bracket was subjected to coming from the shearing force of crown direction, ceramic bracket was not easy and is filled in the just abnormal adhesive special 6 of bottom recess 4 and separates and its cut-out just can must be split away off; And when clamping ceramic bracket with orthodontic pliers, when exerting oneself outside side direction is closed in gum, ceramic bracket is separated with just abnormal adhesive special 6 and is shirked with regard to being easier to.Like this, this utility model both can be reduced in the expulsion rate of ceramic bracket in the just abnormal process effectively, can make ceramic bracket shirking after treatment finishes become convenient again.
Claims (2)
1. a bottom protrusion pattern is the dental orthodontic ceramic bracket that has gradient, be made of the ceramic bracket wing (1), ceramic bracket bottom (2), bottom protrusion part (3), bottom recess (4) and gingiva side sign (5), it is characterized in that: bottom protrusion part (3) is simple geometric body or pattern.
2. dental orthodontic ceramic bracket according to claim 1, it is characterized in that: between the trend of bottom protrusion part (3) and the vertical line B of ceramic bracket a gradient α is arranged, when bracket correctly was bonded on the dental surface, this gradient was towards a gingiva and an intraoral side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202113441U CN201500198U (en) | 2009-10-27 | 2009-10-27 | Ceramic bracket with oblique bottom convex pattern for dental orthodontics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202113441U CN201500198U (en) | 2009-10-27 | 2009-10-27 | Ceramic bracket with oblique bottom convex pattern for dental orthodontics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201500198U true CN201500198U (en) | 2010-06-09 |
Family
ID=42451141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202113441U Expired - Fee Related CN201500198U (en) | 2009-10-27 | 2009-10-27 | Ceramic bracket with oblique bottom convex pattern for dental orthodontics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201500198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102058439A (en) * | 2011-02-01 | 2011-05-18 | 许天民 | Automatic low-friction bracket |
| CN105997275A (en) * | 2016-06-26 | 2016-10-12 | 江苏思麦尔生命科技有限公司 | Transparent zirconia tooth bracket convenient to detach and preparation method of transparent zirconia tooth bracket |
-
2009
- 2009-10-27 CN CN2009202113441U patent/CN201500198U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102058439A (en) * | 2011-02-01 | 2011-05-18 | 许天民 | Automatic low-friction bracket |
| CN102058439B (en) * | 2011-02-01 | 2013-07-24 | 许天民 | Automatic low-friction bracket |
| CN105997275A (en) * | 2016-06-26 | 2016-10-12 | 江苏思麦尔生命科技有限公司 | Transparent zirconia tooth bracket convenient to detach and preparation method of transparent zirconia tooth bracket |
| CN105997275B (en) * | 2016-06-26 | 2019-05-14 | 江苏思麦尔生命科技有限公司 | A kind of preparation method of transparent zirconium oxide bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20101027 |