CN1757379A - Holder for x-ray film of tooth - Google Patents
Holder for x-ray film of tooth Download PDFInfo
- Publication number
- CN1757379A CN1757379A CN 200410067067 CN200410067067A CN1757379A CN 1757379 A CN1757379 A CN 1757379A CN 200410067067 CN200410067067 CN 200410067067 CN 200410067067 A CN200410067067 A CN 200410067067A CN 1757379 A CN1757379 A CN 1757379A
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- CN
- China
- Prior art keywords
- tooth
- holder
- ray film
- mouth guard
- district
- 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.)
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Abstract
An improved structure for the tooth camera system has a bite plate with front guide part and a negative-film holder, and features that the extended line of the guiding edge for said front guide part is basically perpendicular to the intersection between said bite plate and negative-film holder. Its advantages are simple structure, correct alignment, and low distortion.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, especially relate to a kind of structural improvement that is used to take the apparatus of tooth sheet.
Background technology
Vertically estimate periodontal and bone regeneration around implant osseous tissue slight change situation, need the captured tooth sheet of different time can be overlapping, have comparability.If can not be intact overlapping, will cause the clinical diagnosis mistake, original unconverted periodontal tissue may be thought by mistake to change.X line crevice projection angle and tooth sheet should be in full accord in intraoral position during each the shooting, and the tooth sheet that reaches this requirement shooting is called standard tooth sheet.Chinese scholars has been reported the throwing of multiple standards tooth sheet according to device, and uses in clinical and scientific research, has obtained good result of use.But these install mostly complex structure, use loaded down with trivial detailsly, and conventional clinically the use is restricted, and can't promote the use of.
Concordance that the repeatability of standard tooth sheet and tooth sheet are placed in mouth and the clear and definite outer X line projection of mouth guide relevant.Most standard tooth sheet is thrown according to device and is adopted record tooth sheets such as impression material or self curing plastic mouth guard in intraoral position.The crevice projection angle error that the standard tooth sheet of different impression materials during as articulation registration thrown according to device is 2～4.60 degree, and using the tooth sheet that the throwing of most of impression material takes according to device has good repeatability.But utilize impression material a lot of shortcomings to be arranged as articulation registration, as be difficult to sterilization, store difficulty, troublesome poeration, impression material can be out of shape in time and damage etc.Use self curing plastic and also can obtain good repeatability, but need other processing and fabricating as the articulation registration material, more loaded down with trivial details.Utilize mouthful outer head lateral projection positioner to throw according to device and can obtain repeatability tooth sheet preferably, but exist shortcomings such as complex operation, equipment needed thereby costliness equally as oral cavity standard tooth sheet.
In order to address the above problem, people carry out long-term exploration, have proposed diversified solution.For example, Chinese patent literature discloses a kind of X line holder for x-ray film of tooth and has held device (application number: 90218555.1), its construction features is that grip block (2), folder tooth sheet (3) become α angle and β angle respectively and constitute tooth sheet slot with datum plane (1), and grip block (2) forms the tooth film trap (4) that caves in the junction of folder tooth sheet (3).Its advantage is to remove the free-hand fixing fraud of patient from, can prevent that saliva is stained with sheet, prevents cross infection.But this apparatus structure is comparatively complicated, and it is very not convenient to use, and the location is accurate inadequately, still can have a negative impact to the tooth sheet of taking.In addition, the shooting angle of ray also is difficult to accurate setting, brings inconvenience for operation and use.
Summary of the invention
The present invention mainly is that to solve the existing in prior technology location accurate inadequately, tooth sheet repeated not satisfactory, complex structure, the technical problem that integrated degree is not high; Provide a kind of simple in structure, the location is accurate, holder for x-ray film of tooth simple to operation.
The crevice projection angle that the present invention has solved simultaneously the existing in prior technology ray again is difficult to determine, reuses and is easy to produce cross infection, sterilization and preserve big etc. the technical problem of difficulty; Provide a kind of crevice projection angle of ray to be easy to control, be difficult for cross infection, need not specific process and preserve, easily the disinfectant holder for x-ray film of tooth.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: holder for x-ray film of tooth, comprise mouth guard, horse provided thereon is characterized in that being provided with guide portion in the front portion of mouth guard, and the leading edge extended line of guide portion is vertical substantially with the intersection of horse and mouth guard.Shine the direction unanimity for guaranteeing that the X line is thrown, traditional standard tooth sheet is thrown according to device and is utilized fixedly X ray tube of ring for fixing.But the X ray tube is fixed on meeting increase shooting time in the ring for fixing, makes the X ray tube produce active force, cause articulation registration to produce mistake, reduce the repeatability of tooth sheet mouth guard.The present invention utilizes the straight flange indication X line of the guide portion of dental film holder to throw according to direction, and the throwing of navigation rays has solved the defective that prior art exists easily according to direction effectively.
As preferably, described mouth guard is provided with positioning area, is provided with coordinate grid at positioning area; And described mouth guard, horse, guide portion is made as one.Replace impression material or self curing plastic to write down interlock with coordinate grid, determine the relativeness of mouth guard and denture, save the trouble that stores and make in addition the plastics mouth guard.The coordinate grid here also can adopt other positioning mark to replace, index point for example, markings etc.With mouth guard, horse, guide portion is made as one and has improved globality effectively, and processing and fabricating also is convenient in handled easily person's use simultaneously.Each parts here also can separately design, and assemble by detent mechanism in use.The central authorities of horse are for placing the through hole or the blind hole of tooth sheet.
For the ease of operation, as preferably, a side of described mouth guard is provided with handle, and both are made as one.Handle and mouth guard are made as one, have improved globality, can adopt mode one-shot formings such as integral molded plastic during making.
As preferably, the connecting portion of described guide portion and mouth guard is provided with breach, the curved transition of described breach and connecting portion thereof.Indentation, there can be held lip, so that operation, arc-shaped transition can prevent scratch simultaneously.
The location of throwing photograph for the ease of X ray, as preferably, the side of described guide portion is provided with the luffing angle indication piece.On the leading edge of guide portion, scale is set.The luffing angle indication piece can be protractor.
As preferably, described positioning area is made of backteeth district and labial teeth district, and the coordinate grid in described backteeth district and labial teeth district fuses.
In addition, as preferably, wholely constitute by the lamellar transparent body; The thickness in described backteeth district progressively increases to handle orientations from its end.
Therefore, the present invention has simple in structure, and is easy to operate, need not specific process and preserves; The para-position standard, fix tightly, the distortion factor of shooting is little, photographic quality height, the good reproducibility of tooth sheet; Can reuse, be easy to sterilization, be difficult for producing than cross infection; The angle of ray is easy to grasp, and those of ordinary skill can use easily and efficiently.
Description of drawings
Accompanying drawing 1 is a kind of main TV structure sketch map of the present invention;
Accompanying drawing 2 is A-A cutaway views of Fig. 1;
Accompanying drawing 3 is B-B cutaway views of Fig. 1;
Accompanying drawing 4 is a kind of perspective view of the present invention.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: holder for x-ray film of tooth, comprise mouth guard 1, horse 4 provided thereon is provided with guide portion 3 in the front portion of mouth guard 1, and described mouth guard 1, horse 4, guide portion 3 is made as one.Whole holder for x-ray film of tooth is made of the lamellar transparent body.The leading edge extended line of guide portion 3 is vertical substantially with the intersection of horse 4 and mouth guard 1, is provided with luffing angle indication piece 8 in the side of guide portion 3.Mouth guard 1 is provided with positioning area 2, which is provided with coordinate grid 5.Positioning area 2 is made of backteeth district 9 and labial teeth district 10, and the coordinate grid 5 in backteeth district 9 and labial teeth district 10 fuses.Guide portion 3 is provided with breach 7, the curved transition of described breach 7 and connecting portion thereof with the connecting portion of mouth guard 1.Side at mouth guard 1 is provided with handle 6, and both are made as one.The thickness in backteeth district 9 progressively increases to handle 6 directions from its end.
During use, on horse 4, insert tooth sheet 11, when the standard of shooting tooth sheet, the straight flange of X ray tube and X line projection guide portion is keeping parallelism and approaching as far as possible, the end of bulb points to a scale on the X line projection guide portion, can guarantee so each throw according to the time X ray tube and mouth guard relative position remain unchanged.The forward coordinate grid of mouth guard is used for writing down that the position of mouth guard and denture concerns when taking for the first time.When taking for the first time,, when taking for the second time, place mouth guard according to the cusp of coordinate of noting and contact with the coordinate of notes following at least two cusps of record and the forward contact point of mouth guard.Can guarantee like this to remain unchanged with the position of the relative denture of the mouth guard first time for the second time.
Claims (10)
1. a holder for x-ray film of tooth comprises mouth guard, and horse provided thereon is characterized in that being provided with guide portion (3) in the front portion of mouth guard (1), and the leading edge extended line of guide portion (3) is vertical substantially with the intersection of mouth guard (1) with horse (4).
2. holder for x-ray film of tooth according to claim 1 is characterized in that being provided with positioning area (2) on described mouth guard (1), is provided with coordinate grid (5) at positioning area (2); And described mouth guard (1), horse (4), guide portion (3) is made as one.
3. holder for x-ray film of tooth according to claim 1 it is characterized in that being provided with handle (6) in a side of described mouth guard (1), and both is made as one.
4. according to claim 1 or 2 or 3 described holder for x-ray film of tooth, it is characterized in that being provided with breach (7), described breach (7) and the curved transition of connecting portion thereof at the connecting portion of described guide portion (3) and mouth guard (1).
5. according to claim 1 or 2 or 3 described holder for x-ray film of tooth, it is characterized in that being provided with luffing angle indication piece (8) in the side of described guide portion (3).
6. holder for x-ray film of tooth according to claim 4 is characterized in that being provided with luffing angle indication piece (8) in the side of described guide portion (3).
7. according to claim 1 or 2 or 3 described holder for x-ray film of tooth, it is characterized in that being made of backteeth district (9) and labial teeth district (10) at described positioning area (2), the coordinate grid (5) of described backteeth district (9) and labial teeth district (10) fuses.
8. holder for x-ray film of tooth according to claim 6 is characterized in that being made of backteeth district (9) and labial teeth district (10) at described positioning area (2), and the coordinate grid (5) of described backteeth district (9) and labial teeth district (10) fuses.
9. according to claim 1 or 2 or 3 described holder for x-ray film of tooth, it is characterized in that constituting by the lamellar transparent body in integral body; The thickness in described backteeth district (9) progressively increases to handle (6) direction from its end.
10. holder for x-ray film of tooth according to claim 8 is characterized in that being made of the lamellar transparent body in integral body; The thickness in described backteeth district (9) progressively increases to handle (6) direction from its end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410067067 CN1757379A (en) | 2004-10-10 | 2004-10-10 | Holder for x-ray film of tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410067067 CN1757379A (en) | 2004-10-10 | 2004-10-10 | Holder for x-ray film of tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1757379A true CN1757379A (en) | 2006-04-12 |
Family
ID=36703051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410067067 Pending CN1757379A (en) | 2004-10-10 | 2004-10-10 | Holder for x-ray film of tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1757379A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283504A (en) * | 2017-12-29 | 2018-07-17 | 四川大学 | Tongue palate separator when a kind of shooting oral cavity CT |
| TWI757784B (en) * | 2019-07-08 | 2022-03-11 | 國立臺灣大學 | Device for dental radiograph and the use thereof |
-
2004
- 2004-10-10 CN CN 200410067067 patent/CN1757379A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283504A (en) * | 2017-12-29 | 2018-07-17 | 四川大学 | Tongue palate separator when a kind of shooting oral cavity CT |
| TWI757784B (en) * | 2019-07-08 | 2022-03-11 | 國立臺灣大學 | Device for dental radiograph and the use thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |