CN201676027U - Root canal file - Google Patents
Root canal file Download PDFInfo
- Publication number
- CN201676027U CN201676027U CN2010202036452U CN201020203645U CN201676027U CN 201676027 U CN201676027 U CN 201676027U CN 2010202036452 U CN2010202036452 U CN 2010202036452U CN 201020203645 U CN201020203645 U CN 201020203645U CN 201676027 U CN201676027 U CN 201676027U
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- root canal
- canal file
- blade
- file
- root
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Abstract
The utility model discloses a root canal file. The front end of the root canal file is provided with a blade part which is fixed on a handle through a connecting part; the blade part is formed by twisting a special-shaped cross section cone; cutting planes formed by cutting a spiral blade are designed at two sides of the blade part of the root canal file; the phase difference of the two cutting planes is 18 degrees; and the two cutting planes have a taper degree which is consistent with the original taper degree of the blade part. When in use, the common root canal file is firstly used for reaming, then the root canal file of the utility model is used for processing on a certain length direction, therefore, the operation can be realized according to actual situations, the processed root canal cavity is oblong as shown in figure 4, the unnecessary damage to the dentin is avoided, and the pain of the patient is relieved.
Description
Technical field
This utility model relates to the instrument that a kind of odontotherapy is used, particularly a kind of root canal file that the pathological changes tooth is handled.
Background technology
The root canal of suffering from tooth is dental pulp disease and the most effective Therapeutic Method of periapical disease, by the root pipe is cleared up, shaping and filling, can solve the tooth preservation problem that the root pipe infects.Root canal file is to be used for root pipe medial wall file finishing, makes it to be shaped or to pull out residual pulp in the root pipe, removes one of important root canal apparatus of chip.Because suffering from dental caries that tooth took place, to decrease get involved degree, pulp cavity size, root pipe thickness, length of destructiveness, the tip of a root different with flexibility, make the structure more complicated of root canal system, the root canal preparatory instrument tends to bend with root pipe situation when treatment.
As shown in Figure 1, existing root canal file generally by the blade, connecting portion of file, and handle forms, the outward appearance of file is tapered carefully bar-shaped, carefully on the rod difform cutting edge is arranged.The shape of the cutting edge of prior art root canal file is divided into H type file and K type file.The vertical section of H type file is the combination of a string I-shaped shape, and cross section is rounded, and sword meets at right angles with axle.The cross section of K type file is triangular in shape or square, and vertically three or four corner angle are as cutting edge, each sword all with the axle curl.The root canal file of said structure is coniform at the cavity of root canal being handled back formation, and its cross section is circular.The form of root of the tooth mostly is irregular oblateness in the reality except that Upper Anterior Teeth, the shape of root canal is very irregular, except the main tube cavity cavity is comparatively regular, also have a lot of long and narrow irregular forms, root pipe for long and narrow irregular form, if can form a bigger taper circular hole when handling with existing root canal file, the tooth body is caused unnecessary damage, cause the attenuation of tooth body wall simultaneously, can produce adverse influence to the physical strength of tooth body when serious; It is not thorough that perhaps molding is handled at the long and narrow two ends of root tube section, as shown in Figure 3.
Summary of the invention
The purpose of this utility model provides a kind of root canal file that generates oblate cylindricality cavity.
A kind of root canal file, its front end is a blade, and blade is fixed on the handle by connecting portion, and blade is formed by the distortion of odd-shaped cross section cone, it is characterized in that: have pair helical edges to cut the cutting plane of formation in the design of the both sides of the blade of root canal file, 180 ° of two cutting plane phase phase difference.
Above-mentioned a kind of root canal file is characterized in that: two cut the pin plane all is designed to have a tapering, and its tapering is consistent with the original tapering of blade.
Root canal file described in the utility model is owing to there is the side of two no swords, and it can only be handled the root pipe in a horizontal or vertical direction, so it need be used with common root canal file.The circular common root canal file of each model need be joined the root canal file of many this utility model versions, the terminal spacing of the cutting plane of many root canal files of the present utility model is consistent with the blade end diameter of the common root canal file that is cooperated, but with the perpendicular other direction in cutting plane on, end diameter increases progressively successively according to international standard.Under the normal condition, this utility model root canal file is to process on existing common silver pipe file, and therefore in one group of this utility model root canal file, the blade end diameter all end diameter than the common root canal file that cooperates with it is big.With common No. 30 root canal files is example, the root canal file of the present utility model of Pei Heing is many with it, concrete radical is decided according to the actual requirements, their cutting plane end-to-end distance is from all consistent with No. 30 root canal files, but their blade end diameters increase successively, respectively with No. 35, No. 40, No. 45, No. 50 ... root canal file is consistent.
First during use with common root canal file reaming, use root canal file of the present utility model on a certain length direction, to handle then, can realize like this operating according to practical situation, root tube chamber after the processing is an oblong, as shown in Figure 4, can carry out unnecessary destruction to dentin so as far as possible less, alleviate patient's misery.
Description of drawings
Fig. 1 is the structural representation of existing common root canal file.
Fig. 2 is the structural representation of this utility model root canal file.
Fig. 3 is for having the root canal morphology after common root canal file is handled now.
Fig. 4 is the root canal morphology of this utility model root canal file after handling.
The specific embodiment
As shown in Figure 2, a kind of root canal file, its front end are blade 1, blade 1 is fixed on the handle 3 by connecting portion 2, blade 1 is formed by odd-shaped cross section cone distortion, has pair helical edges to cut 180 ° of cutting plane 4, the two cutting plane phase phase difference of formation in the both sides design of the blade of root canal file.Two cut pin plane 4 all is designed to have a tapering, and its tapering is consistent with the original tapering of blade.
Claims (2)
1. root canal file, its front end is blade (1), blade (1) is fixed on the handle (3) by connecting portion (2), blade (1) is formed by the distortion of odd-shaped cross section cone, it is characterized in that: have pair helical edges to cut the cutting plane of formation (4) in the design of the both sides of the blade of root canal file, 180 ° of two cutting plane phase phase difference.
2. a kind of root canal file according to claim 1 is characterized in that: two cut pin plane (4) all is designed to have a tapering, and its tapering is consistent with the original tapering of blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202036452U CN201676027U (en) | 2010-05-18 | 2010-05-18 | Root canal file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202036452U CN201676027U (en) | 2010-05-18 | 2010-05-18 | Root canal file |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201676027U true CN201676027U (en) | 2010-12-22 |
Family
ID=43341091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202036452U Expired - Fee Related CN201676027U (en) | 2010-05-18 | 2010-05-18 | Root canal file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201676027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2675388A4 (en) * | 2011-02-18 | 2015-05-27 | Ss White Burs Inc | Endodontic burs, kits, and methods for using endodontic burs |
| CN107007367A (en) * | 2017-04-20 | 2017-08-04 | 常州博美医疗科技有限公司 | A kind of therapeutic instrument for root canal easy to use |
-
2010
- 2010-05-18 CN CN2010202036452U patent/CN201676027U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2675388A4 (en) * | 2011-02-18 | 2015-05-27 | Ss White Burs Inc | Endodontic burs, kits, and methods for using endodontic burs |
| CN107007367A (en) * | 2017-04-20 | 2017-08-04 | 常州博美医疗科技有限公司 | A kind of therapeutic instrument for root canal easy to use |
| CN107007367B (en) * | 2017-04-20 | 2022-08-19 | 常州博美医疗科技有限公司 | Root canal therapy instrument convenient to use |
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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: 20101222 Termination date: 20110518 |