CN202078415U - Invisible removable partial denture retaining device - Google Patents
Invisible removable partial denture retaining device Download PDFInfo
- Publication number
- CN202078415U CN202078415U CN2011201440087U CN201120144008U CN202078415U CN 202078415 U CN202078415 U CN 202078415U CN 2011201440087 U CN2011201440087 U CN 2011201440087U CN 201120144008 U CN201120144008 U CN 201120144008U CN 202078415 U CN202078415 U CN 202078415U
- Authority
- CN
- China
- Prior art keywords
- removable partial
- partial denture
- retaining
- retaining device
- spring
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the field of manufacturing of removable partial dentures for mouth rehabilitation department, particularly to an invisible removable partial denture retaining device. The invisible removable partial denture retaining device comprises an outer box, a retaining head, a retaining head protecting hood and a spring, and is characterized in that the spring is held inside the outer box; the retaining head is mounted at one end of the outer box and is connected with the spring; and the retaining head protecting hood is sleeved on the retaining head. The retaining head of the removable partial denture retaining device is clamped at an inverted concave part of the gap side of an abutment tooth by utilizing elasticity of the spring, so that the purpose of fixing a removable partial denture can be achieved. The invisible removable partial denture retaining device has the advantages that the retaining manner is changed, namely, a removable partial denture is retained invisibly, so that the problems of attractiveness and food impaction of the traditional retaining manner can be solved; and the invisible removable partial denture retaining device is beautiful and comfortable, avoids or relieves food impaction and has a strong retaining force.
Description
Technical field
This utility model relates to the Prosthodontics removable denture and makes the field, particularly the stealthy retaining device of removable partial denture.
Background technology
Behind a plurality of absence of tooth of patient, need wear removable partial denture, traditional denture retention method is to utilize that falling of abutment lip cheek-tongue side is recessed to come maintenance with snap ring, these snap rings all are that metal material is made, influence attractive in appearance, have friction during the motion of lip cheek, produce uncomfortable sensation, at the horizontal caulked caulked of the easy food in the junction of abutment and body of clasp section.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art exactly, by changing the maintenance mode, does not use the lip buccal side snap ring and removable partial denture retention's device of providing.
For achieving the above object; this utility model is realized by the following technical solutions: the stealthy retaining device of removable partial denture; it is made up of outer box, retention head, retention head protective cover and spring; it is characterized in that spring is put into outer box inside; an end of box is installed retention head outside; retention head links to each other with spring; the retention head protective cover is enclosed within on the retention head; utilize the elasticity of spring; make the retention head of removable partial denture retention's device be stuck in the recess that falls of abutment gap side, thereby realize maintenance removable partial denture.Its China and foreign countries' box Cross-section Design is wide at the top and narrow at the bottom, and wide side is embedded in the deep of artificial tooth, prevents that it from coming off.Above the retention head for facing directly, be the inclined-plane below, with the contact surface of abutment be arc long under the last weak point face that concaves, both sides have the protruding wedging mutually of a groove and outer box corresponding site respectively, in artificial tooth process in place, when retention head is put by the abutment proximal contour is high, owing to be the inclined-plane below the retention head, will produce a power, thereby pressuring spring distortion, retention head will in move, after artificial tooth is in place, retention head has then been crossed the abutment height of contour, retention head is ejected,, the curve slope of retention head is contacted with the tight of axial plane maximum area of abutment in the gum side of abutment height of contour, when artificial tooth is dislocated, retention head is crossed the abutment height of contour again, causes the distortion of spring and produces maintenance power, prevents the artificial tooth dislocation, when the normal functionating of artificial tooth, retention head does not produce any power to abutment.The retention head protective cover is in order to be placed on the artificial tooth when retention head, prevents that plastic cement is bonded on the retention head, thereby influences moving of retention head and design, lays to finish when retaining device and can remove the retention head protective cover and abandon.
Characteristics of the present utility model are: change the maintenance mode, do not use the lip buccal side snap ring, utilize the recessed of abutment gap side, use stealthy retaining device of the present utility model that removable partial denture is carried out stealthy maintenance, solved the aesthetic problem of traditional maintenance mode and the problem of food impaction.
The advantage of this utility model has four: 1, attractive in appearance; 2, comfortable; 3, avoid or alleviate food impaction; 4, maintenance power is strong.
Description of drawings
Fig. 1 is this utility model overall structure sketch map
Fig. 2 is this utility model birds-eye view
Fig. 3 is the outer box structural representation of this utility model
Fig. 4 is this utility model internal structure sketch map
Fig. 5 is this utility model retention head protective cover structural representation
(1) outer box, (2) retention head, (3) retention head protective cover, (4) spring.
The specific embodiment
Corresponding site stickup one deck cloth insertion sheet of retainer need be installed by abutment gap side alveolus crestal culmination place on model; retainer is sticked on the adhesive plaster; retention head is placed on abutment height of contour gum side; make concave tight contact the (the arc face of concaving of retention head can be done accordingly as required and grind) of face and abutment maximum area of its arc; grind the space that holds retainer at the artificial tooth corresponding site then; put into self-curing plastic; artificial tooth is resetted on model fully; after treating that self-curing plastic solidifies; take off artificial tooth; repair unnecessary plastic cement, remove the retention head protective cover and get final product.
Claims (3)
1. the stealthy retaining device of removable partial denture; it is made up of outer box (1), retention head (2), retention head protective cover (3), spring (4); it is characterized in that spring (4) places outer box (1) inside; an end of box (1) installation retention head (2) links to each other with spring (4) outside, and retention head protective cover (3) is enclosed within on the retention head (2).
2. according to the stealthy retaining device of claims 1 described removable partial denture, it is characterized in that outer box (1) cross section is a shape with wide top and narrow bottom.
3. according to the stealthy retaining device of claims 1 described removable partial denture, it is characterized in that above the retention head (2) for facing directly, be the inclined-plane below, with the contact surface of abutment be arc long under the last weak point face that concaves, both sides have the protruding wedging mutually of a groove and outer box corresponding site respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201440087U CN202078415U (en) | 2011-05-09 | 2011-05-09 | Invisible removable partial denture retaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201440087U CN202078415U (en) | 2011-05-09 | 2011-05-09 | Invisible removable partial denture retaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202078415U true CN202078415U (en) | 2011-12-21 |
Family
ID=45339074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201440087U Expired - Fee Related CN202078415U (en) | 2011-05-09 | 2011-05-09 | Invisible removable partial denture retaining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202078415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478070A (en) * | 2019-07-22 | 2019-11-22 | 北京大学口腔医学院 | A kind of repair capsule and manufacturing method of removable partial denture |
| CN112545689A (en) * | 2020-12-07 | 2021-03-26 | 北京富瑞嘉义齿有限公司 | Removable denture |
-
2011
- 2011-05-09 CN CN2011201440087U patent/CN202078415U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478070A (en) * | 2019-07-22 | 2019-11-22 | 北京大学口腔医学院 | A kind of repair capsule and manufacturing method of removable partial denture |
| CN112545689A (en) * | 2020-12-07 | 2021-03-26 | 北京富瑞嘉义齿有限公司 | Removable denture |
| CN112545689B (en) * | 2020-12-07 | 2022-04-22 | 北京富瑞嘉义齿有限公司 | Removable denture |
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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: 20111221 Termination date: 20120509 |