CN101380253B - Special dental operation instruments in root canal filling therapy and preparation method thereof - Google Patents
Special dental operation instruments in root canal filling therapy and preparation method thereof Download PDFInfo
- Publication number
- CN101380253B CN101380253B CN2007101540045A CN200710154004A CN101380253B CN 101380253 B CN101380253 B CN 101380253B CN 2007101540045 A CN2007101540045 A CN 2007101540045A CN 200710154004 A CN200710154004 A CN 200710154004A CN 101380253 B CN101380253 B CN 101380253B
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- root
- needle body
- percha point
- tooth
- gutta
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Abstract
The invention discloses a special dental operation apparatus in a root filling treatment as well as a manufacturing method thereof. The invention relates to an improvement to the 'root-filler' structure of the existing dental operation apparatus for solving the trouble of feeding a gutta-percha point in the slender root tube of a tooth during the operation process of a root tube treatment as a manufacturing method of an apparatus for realizing the improvement. The invention is characterized in that the side surface of the circle of a needle body (1) is respectively provided with a sawtooth side surface (3) and a smooth side surface (4); besides, the sawtooth side surface (3) on the needle body (1) with large friction force is used for bearing the forward-backward displacement regulating motion during the process of feeding a soft gutta-percha point in place in the tooth tube of the tooth; while the smooth side surface (4) is contacted with the soft gutta-percha point to lead the needle body (1) to conveniently slide away from the gutta-percha point and to be conveniently pulled out from the root tube of the tooth.
Description
Technical field
The root that the present invention relates to use when the dentistry root canal filling therapy fills operating theater instruments technology and preparation method thereof.
Background technology
Root canal filling therapy in the dental root canal therapeutic process, the special dental operation instruments that uses is commonly called as and is " root fills device ", it is by the smooth needle body of circle and being made of manual needle handle of linking to each other with it, when root canal, removed after the nerve in the root pipe, when needs will be sent in the root pipe of being treated tooth as the soft gutta percha point of implant, the above-mentioned special equipment " root fills device " of needs employing dentistry was finished this root and is filled operation process.Because carry out when root fills is to rely on the smooth needle body of " root fills device " to live gutta percha point by side pressure and be transported to the position, although finally always can finish gutta percha point carries the work that puts in place in elongated tooth pulp canal, but, because this carries the dental operation instruments " root fills device " that puts in place to use not smoothly former the thereby quite trouble of can feeling to perform the operation of (advance and retreat are carried and adjusted inconvenience) gutta percha point.
Summary of the invention
The present invention's purpose: propose architecture advances and preparation method thereof to above-mentioned dental operation instruments " root fills device ".
To achieve these goals, intend adopting following technology:
On the architecture basics of the existing dental operation instruments " root fills device " that constitutes by circular needle body and needle handle, zigzag is made in a side of (mainly being linear syringe needle position) on the original smooth needle body, and remaining side still keeps smooth shape.---above-mentioned sawtooth can also can be rasped to by file is manual by compression molding.
The comparison characteristics of the present invention and prior art:, in the root pipe, carry gutta percha point to create condition for convenient because " sawtooth " shape (increasing considerably the contact friction force with above-mentioned gutta percha point) is made in a side on the original smooth needle body.
Description of drawings
Fig. 1 has illustrated the structure of prior art " root fills device " (mainly being linear syringe needle position).
Fig. 2 has illustrated to improve the formed structure of the present invention in back on above-mentioned prior art " root fills device " basis.
The 1-needle body; The 2-needle handle; The smooth side of 3-; 4-sawtooth side, the local signal position of amplifying of K-.
The specific embodiment
Fig. 1 has illustrated the structure of prior art " root fills device ": by cylindrical smooth needle body 1 and the dentistry special equipment that constituted with its needle handle 2, when gutta percha point is carried in elongated tooth pulp canal, mainly be to rely on the pin press contacts frictional force of cylindrical smooth needle body 1 and gutta percha point to realize, because the frictional force between the two is very little, in whole course of conveying, be difficult to smoothly, and pretty troublesome.Just when root being filled device and from the slit of tooth pulp canal and gutta percha point, pull out,, can avoid taking gutta percha point out of the tooth pulp canal again owing to the smooth of smooth needle body 1 forms and the very little frictional force of gutta percha point.
Structure of the present invention after Fig. 2 has illustrated to improve: with the frictional force of gutta percha point between the two, by a side at the smooth needle body 1 of circle sawtooth is set when filling the device operation in order to increase root, soon it is modified into the bigger sawtooth side 4 of frictional force.---the sawtooth when apparatus is produced in batches is by compression molding, is rasped to by file craft during non-batch process.
Not hard to imagine:
When elongated gutta percha point is carried in elongated tooth pulp canal, be to allow the sawtooth side 4 among the present invention contact (forming bigger frictional force) force feed with soft gutta percha point, in the process of whole conveying gutta percha point, inevitable quite smoothly.When after finishing operation, desiring to extract operating theater instruments, can be with the present invention's Rotate 180 degree on the spot, allow the smooth side 3 that constitutes in the structure of the present invention contact with gutta percha point, the needle body 1 that just can very smoothly will constitute structure of the present invention is extracted from the elongated root pipe of tooth easily, and the gutta percha point of this moment can not taken out of in withdrawal process of the present invention.
Obviously, the key of the present invention after the improvement is to allow sawtooth side on the bigger needle body 1 of frictional force
The contact gutta percha point also allows it bear gutta percha point to carry the advance and retreat displacement adjustment in the process that puts in place to move in the tooth pulp canal, and the smooth side on the Rotate 180 degree relief needle body 1 on the spot
Contacting with soft gutta percha point, is in order just can be at an easy rate by tooth handle 2 needle body 1 to be withdrawed from from operation, promptly extracts from the two slit of tooth pulp canal and soft gutta percha point.
If needle body 1 of the present invention all is designed to coaxial linear with needle handle 2, this perhaps will bring convenience to use.
Claims (2)
1. special dental operation instruments in root canal filling therapy, it is to be made of with the needle handle (2) that links to each other with above-mentioned circular needle body (1) circular needle body (1), it is characterized in that: the side on the direction of above-mentioned circular needle body (1) is sawtooth side (4), and the side on all the other length directions all is smooth side (3).
2. the preparation method of the special dental operation instruments in the dentistry root canal filling therapy according to claim 1, it is characterized in that it is as follows that above-mentioned circular needle body (1) is gone up the forming method of sawtooth side (4): be by compression molding or utilize file to be rasped to by manual.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101540045A CN101380253B (en) | 2007-09-05 | 2007-09-05 | Special dental operation instruments in root canal filling therapy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101540045A CN101380253B (en) | 2007-09-05 | 2007-09-05 | Special dental operation instruments in root canal filling therapy and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101380253A CN101380253A (en) | 2009-03-11 |
| CN101380253B true CN101380253B (en) | 2010-11-17 |
Family
ID=40460434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101540045A Expired - Fee Related CN101380253B (en) | 2007-09-05 | 2007-09-05 | Special dental operation instruments in root canal filling therapy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101380253B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5899693A (en) * | 1996-04-12 | 1999-05-04 | Hakusui Trading Co., Ltd | Dental tip jig and dental tip fitted with it |
| CN2335581Y (en) * | 1998-01-19 | 1999-09-01 | 张晓莲 | Canalis radicis dentis paste filling needle |
| CN1278157A (en) * | 1997-10-31 | 2000-12-27 | 吉米·克特 | Endodontic device and method for applying filler material to root cannel |
| US6267594B1 (en) * | 1998-06-05 | 2001-07-31 | Kaltenbach & Voigt Gmbh & Co. | Medical or dental-medical instrument for material-removing working of body tissue and tool for such an instrument |
| CN2544691Y (en) * | 2002-05-13 | 2003-04-16 | 綦家亮 | Root canal filling needle |
| US20060265858A1 (en) * | 2002-08-15 | 2006-11-30 | Mcspadden John T | Endodontic instrument having notched cutting surfaces |
| US20070015107A1 (en) * | 2005-07-18 | 2007-01-18 | Werner Mannschedel | Root canal instrument having an abrasive coating and method for the production thereof |
-
2007
- 2007-09-05 CN CN2007101540045A patent/CN101380253B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5899693A (en) * | 1996-04-12 | 1999-05-04 | Hakusui Trading Co., Ltd | Dental tip jig and dental tip fitted with it |
| CN1278157A (en) * | 1997-10-31 | 2000-12-27 | 吉米·克特 | Endodontic device and method for applying filler material to root cannel |
| CN2335581Y (en) * | 1998-01-19 | 1999-09-01 | 张晓莲 | Canalis radicis dentis paste filling needle |
| US6267594B1 (en) * | 1998-06-05 | 2001-07-31 | Kaltenbach & Voigt Gmbh & Co. | Medical or dental-medical instrument for material-removing working of body tissue and tool for such an instrument |
| CN2544691Y (en) * | 2002-05-13 | 2003-04-16 | 綦家亮 | Root canal filling needle |
| US20060265858A1 (en) * | 2002-08-15 | 2006-11-30 | Mcspadden John T | Endodontic instrument having notched cutting surfaces |
| US20070015107A1 (en) * | 2005-07-18 | 2007-01-18 | Werner Mannschedel | Root canal instrument having an abrasive coating and method for the production thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101380253A (en) | 2009-03-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20101117 Termination date: 20120905 |