CN104197817A - Dual-purpose caliper for measurement of convergence angle and cavity abduction degree of tooth - Google Patents
Dual-purpose caliper for measurement of convergence angle and cavity abduction degree of tooth Download PDFInfo
- Publication number
- CN104197817A CN104197817A CN201410480499.0A CN201410480499A CN104197817A CN 104197817 A CN104197817 A CN 104197817A CN 201410480499 A CN201410480499 A CN 201410480499A CN 104197817 A CN104197817 A CN 104197817A
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- chaining pin
- movable
- slide block
- position limiting
- limiting slide
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a dual-purpose caliper for measurement of a convergence angle and a cavity abduction degree of a tooth. A moving point gauge and a fixed point gauge are arranged on the front and back faces of a caliper body respectively, the caliper body is provided with a T-shaped groove, two limiting screws are arranged at two ends of the T-shaped groove respectively, two brasses are fixed to two sides of a limiting slider respectively, and the limiting slider is provided with a limiting slider push button. The upper and lower ends of the moving point gauge are provided with a moving point gauge measurement end and an indication end with a positioning observation hole, a pressure handle connection shaft is connected with the moving point gauge and a moving point gauge pressure handle, a spring is connected between the moving point gauge and the moving point gauge pressure handle, and the moving point gauge is connected with an adjusting nut which is connected with the limiting slider. The upper and lower ends of the fixed point gauge are provided with a fixed gauge needle measurement end and a fixed gauge needle indication end connected with a protractor and a connecting shaft, the protractor is provided with protractor scales, and the fixed point gauge is fixed onto the caliper body by a locking screw. The dual-purpose caliper can be used for precisely measuring convergence angles and the cavity abduction degrees of teeth, tool consumption is reduced, and accordingly cost is reduced.
Description
Technical field
The present invention relates to a kind of dentistry and measure dual-purpose slide calliper rule, relate in particular to a kind of dentistry that can accurately measure tooth axon latitude of emulsion outside the degree of polymerization and tooth body hole profile shaft wall in repair in oral cavity and measure dual-purpose slide calliper rule.
Background technology
In the department of stomatology, especially, in the clinical and teaching of Prosthodontics, in the manufacturing process of various Guan Qiao and inlay, outside the tooth body hole profile shaft wall of the tooth axon when tooth preparation after preparation after the degree of polymerization and preparation, the latitude of emulsion will be observed strict standard.This has proposed very high requirement to oral cavity clinician and student.Tooth axon latitude of emulsion outside the degree of polymerization and tooth body hole profile shaft wall will be strict controlled in certain scope, and this tooth preparation to two kinds of restorative procedures is very important.At present, though report has tooth body degree of polymerization measuring instrument and external tooth body degree of polymerization measuring instrument to can be used for measuring tooth axon to the degree of polymerization, but the two all will be measured to estimate definite tooth long axile, this will inevitably produce the problem of error, and the latter's complex structure, after measurement, can not directly draw the degree of polymerization, but will just can draw the degree of polymerization by comparatively complicated calculating, and then affect its practical application.To the outer latitude of emulsion of tooth body hole profile shaft wall, still do not have at present a kind of survey instrument that use can be provided, in clinical and teaching process, can only judge by range estimation and experience, accuracy and accuracy are difficult to be guaranteed.
Summary of the invention
According to the problem of above-mentioned existence, the present invention is for providing a kind of dual-purpose measurement slide calliper rule of dentistry that can accurately measure tooth axon latitude of emulsion outside the degree of polymerization and tooth body hole profile shaft wall in oral repairing clinic and teaching.
Addressing the above problem the technical scheme of taking is:
The outer latitude of emulsion of a kind of tooth body degree of polymerization and hole type is measured dual-purpose slide calliper rule, it is characterized in that: in caliper body 4, be provided with T-shaped groove 26, position limiting slide block 3 is slidably connected on T-shaped groove 26, the two ends of T-shaped groove 26 are provided with I stop screw 5 and II stop screw 19, I brasses 23 and II brasses 24 are fixed on the both sides of position limiting slide block 3 and are slidably connected with the T-shaped groove 26 of caliper body 4, position limiting slide block 3 is provided with position limiting slide block and promotes button 17, the two ends up and down of movable chaining pin 2 are respectively equipped with movable chaining pin measuring junction 1 and movable chaining pin indication end 14, 14 places, movable chaining pin indication end are provided with chaining pin location observation hole 15, movable chaining pin pressure handle 8 is connected with movable chaining pin 2 by pressure handle coupling shaft 27, between movable chaining pin 2 and movable chaining pin pressure handle 8, be connected with spring 9, in the position limiting slide block locking screw pit 22 that adjusting nut 7 screws on position limiting slide block 3, be connected with position limiting slide block 3, in the movable chaining pin locking screw pit 25 that I lock-screw 6 screws on adjusting nut 7, movable chaining pin 2 and adjusting nut 7 are linked together, fixedly the two ends up and down of chaining pin 16 are respectively equipped with fixedly chaining pin measuring junction 20 and fixedly chaining pin indication end 12, fixedly 12 places, chaining pin indication end are provided with protractor 11 and coupling shaft 10, protractor 11 is provided with protractor scale 13, can by II lock-screw 18, be fixed on caliper body 4 around the fixedly chaining pin 16 of II lock-screw 18 rotations.
beneficial effect of the present invention:the clinician that the present invention is the department of stomatology and student provide a kind of dentistry that can accurately measure at any time tooth axon latitude of emulsion outside the degree of polymerization and tooth body hole profile shaft wall to measure slide calliper rule, for learning various Guan Qiao and inlay, make favourable aid is provided, improve Guan Qiao and be made into power, can use by minimizing instrument simultaneously, reduce costs, improve working and learning efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the zoomed-in view of I in Fig. 1;
Fig. 5 is the zoomed-in view of II in Fig. 2;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the constitutional diagram of tooth axon while measuring to the degree of polymerization;
Constitutional diagram when Fig. 8 is the outer latitude of emulsion measurement of tooth body hole profile shaft wall.
In figure: 1. movable chaining pin measuring junction, 2. movable chaining pin, 3. position limiting slide block, 4. survey chi body, 5. I stop screw 5, 6. I lock-screw, 7. adjusting nut, 8. movable chaining pin pressure handle, 9. spring, 10. coupling shaft, 11. protractors, 12. fixing chaining pin indication ends, 13. protractor scales, 14. movable chaining pin indication ends, 15. chaining pin location observation holes, 16. fixing chaining pins, 17. position limiting slide block pushing buttons, 18. II lock-screws, 19. II stop screws, 20. fixing chaining pin measuring junctions, 21. coronas, 22. position limiting slide block locking screw pits, 23. I brasses, 24. II brasses, 25. movable chaining pin locking screw pits, 26.T type groove, 27. pressure handle coupling shafts.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
The outer latitude of emulsion of a kind of tooth body degree of polymerization and hole type is measured dual-purpose slide calliper rule, as shown in Figures 1 to 6, in caliper body 4, be provided with T-shaped groove 26, the two ends of T-shaped groove 26 are provided with I stop screw 5 and II stop screw 19, I brasses 23 and II brasses 24 are fixed on the both sides of position limiting slide block 3 and are slidably connected with the T-shaped groove 26 of caliper body 4, position limiting slide block 3 is provided with position limiting slide block and promotes button 17, the two ends up and down of movable chaining pin 2 are respectively equipped with movable chaining pin measuring junction 1 and movable chaining pin indication end 14, 14 places, movable chaining pin indication end are provided with chaining pin location observation hole 15, movable chaining pin pressure handle 8 is connected with movable chaining pin 2 by pressure handle coupling shaft 27, between movable chaining pin 2 and movable chaining pin pressure handle 8, be connected with spring 9, in the position limiting slide block locking screw pit 22 that adjusting nut 7 screws on position limiting slide block 3, be connected with position limiting slide block 3, in the movable chaining pin locking screw pit 25 that I lock-screw 6 screws on adjusting nut 7, movable chaining pin 2 and adjusting nut 7 are linked together, depress movable chaining pin pressure handle 8, movable chaining pin 2 can be around 6 rotations of I lock-screw, unclamp movable chaining pin pressure handle 8, the elastic force of spring 9 is by movable chaining pin 2 and 6 lockings of I lock-screw, the elasticity that adjusting nut 7 adjustable limit slide blocks 3 are connected with T-shaped groove 26.Fixedly the two ends up and down of chaining pin 16 are respectively equipped with fixedly chaining pin measuring junction 20 and fixedly chaining pin indication end 12, fixedly 12 places, chaining pin indication end are provided with protractor 11 and coupling shaft 10, protractor 11 is provided with protractor scale 13, II lock-screw 18 fixedly chaining pin 16 is fixed on caliper body 4, and fixedly chaining pin 16 can have suitable resistance when 18 rotations of II lock-screw and rotation.
Fig. 4 is slide calliper rule while reading the degree of polymerization or abduction number of degrees value, chaining pin location observation hole 15 and the fixedly constitutional diagram of coupling shaft 10 overlapping relations of chaining pin indication end 12 on movable chaining pin indication end 14.
Constitutional diagram when Fig. 7 measures to the degree of polymerization for measuring tooth axon.The tooth axon of using this kind of calliper tooth body 21 is during to the degree of polymerization, first utilize range estimation to make the major axis of caliper body 4 substantially vertical with the major axis of tooth body 21, rotate fixedly chaining pin 16, make fixedly chaining pin measuring junction 20 try one's best parallel closely connected with a side shaft wall of tooth body 21, then promote position limiting slide block and promote button 17, make position limiting slide block 3 in the interior parallel sliding of T-shaped groove 26 of caliper body 4, make the movable chaining pin measuring junction 1 of movable chaining pin 2 move to the opposite side of axial wall, press the movable chaining pin pressure handle 8 on movable chaining pin 2, rotation activity chaining pin 2, make the movable chaining pin measuring junction 1 of movable chaining pin 2 parallel closely connected with the axial plane of tooth body 21, unclamp movable chaining pin pressure handle 8, from measuring tooth body 21, take off these slide calliper rule, promote position limiting slide block and promote button 17 along caliper body 4 parallel sliding activity chaining pins 2, when the coupling shaft 10 of the chaining pin location observation hole 15 on the movable chaining pin indication end 14 of movable chaining pin 2 and the fixedly protractor 11 of the fixedly chaining pin indication end 12 of chaining pin 16 intersects, just can on the protractor scale 13 of protractor 11, read the degree of polymerization sum of two axial walls.
Constitutional diagram when Fig. 8 is the outer latitude of emulsion measurement of tooth body hole profile shaft wall.While using the outer latitude of emulsion of tooth body hole profile shaft wall of this kind of calliper tooth body 21, first utilize range estimation to make the major axis of caliper body 4 substantially vertical with the major axis of tooth body 21, rotate fixedly chaining pin 16, make fixedly chaining pin measuring junction 20 try one's best parallel closely connected with a side tooth body hole profile shaft wall of tooth body 21, then promote position limiting slide block and promote button 17, make position limiting slide block 3 along T-shaped cell wall parallel sliding, make the movable chaining pin measuring junction 1 of movable chaining pin 2 move to the opposite side of tooth body hole profile shaft wall, press the movable chaining pin pressure handle 8 on movable chaining pin 2, rotation activity chaining pin 2, make the movable chaining pin measuring junction 1 of movable chaining pin 2 and the opposite side tooth body hole profile shaft wall of tooth body 21 parallel closely connected, unclamp movable chaining pin pressure handle 8, from measuring tooth body 21, take off these slide calliper rule, promote position limiting slide block and promote button 17 along caliper body 4 parallel sliding activity chaining pins 2, when the coupling shaft 10 of the chaining pin location observation hole 15 on the movable chaining pin indication end 14 of movable chaining pin 2 and the fixedly protractor 11 of the fixedly chaining pin indication end 12 of chaining pin 16 intersects, just can on the protractor scale 13 of protractor 11, read two axial wall abduction degree sums of tooth body hole profile shaft wall.
Claims (1)
1. the outer latitude of emulsion of the tooth body degree of polymerization and hole type is measured dual-purpose slide calliper rule, it is characterized in that: movable chaining pin (2) and fixedly chaining pin (16) are just being separately positioned on caliper body (4), on reverse side, in caliper body (4), be provided with T-shaped groove (26), position limiting slide block (3) is slidably connected on T-shaped groove (26), the two ends of T-shaped groove (26) are provided with I stop screw (5) and II stop screw (19), I brasses (23) and II brasses (24) are fixed on the both sides of position limiting slide block (3) and are slidably connected with the T-shaped groove (26) of caliper body (4), position limiting slide block (3) is provided with position limiting slide block and promotes button (17), the two ends up and down of movable chaining pin (2) are respectively equipped with movable chaining pin measuring junction (1) and movable chaining pin indication end (14), chaining pin location observation hole (15) is located to be provided with in movable chaining pin indication end (14), movable chaining pin pressure handle (8) is connected with movable chaining pin (2) by pressure handle coupling shaft (27), between movable chaining pin (2) and movable chaining pin pressure handle (8), be connected with spring (9), adjusting nut (7) screws in the position limiting slide block locking screw pit (22) on position limiting slide block (3) and is connected with position limiting slide block (3), I lock-screw (6) screws in the movable chaining pin locking screw pit (25) on adjusting nut (7) movable chaining pin (2) and adjusting nut (7) is linked together, fixedly the two ends up and down of chaining pin (16) are respectively equipped with fixedly chaining pin measuring junction (20) and fixedly chaining pin indication end (12), fixedly chaining pin indication end (12) locate to be provided with protractor (11) and coupling shaft (10), protractor (11) is provided with protractor scale (13), can by II lock-screw (18), be fixed on caliper body (4) around the fixedly chaining pin (16) of II lock-screw (18) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480499.0A CN104197817B (en) | 2014-09-19 | 2014-09-19 | The tooth body degree of polymerization latitude of emulsion outer with hole type measures dual-purpose slide calliper rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480499.0A CN104197817B (en) | 2014-09-19 | 2014-09-19 | The tooth body degree of polymerization latitude of emulsion outer with hole type measures dual-purpose slide calliper rule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104197817A true CN104197817A (en) | 2014-12-10 |
| CN104197817B CN104197817B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410480499.0A Active CN104197817B (en) | 2014-09-19 | 2014-09-19 | The tooth body degree of polymerization latitude of emulsion outer with hole type measures dual-purpose slide calliper rule |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913795A (en) * | 2017-04-28 | 2020-03-24 | 拉弗朗特拉大学 | Instrument for in situ measurement of convergence angle in dental preparation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB458230A (en) * | 1935-06-27 | 1936-12-15 | Ivan Benkoe | Measuring compasses, notably for the recording of lengths |
| CN201171727Y (en) * | 2008-03-27 | 2008-12-31 | 同济大学 | Self-pressuring rotary teeth probe |
| CN100591302C (en) * | 2008-05-01 | 2010-02-24 | 姚蔚 | Tooth axial angle protractor |
| CN201453407U (en) * | 2009-07-13 | 2010-05-12 | 四川大学 | Oral cavity measuring device |
| CN201692089U (en) * | 2010-06-25 | 2011-01-05 | 山东大学 | Alveolar bone thickness measuring instrument |
| CN202665740U (en) * | 2012-07-10 | 2013-01-16 | 辽东学院 | Dual-purpose calipers for department of dentistry |
| CN204085422U (en) * | 2014-09-19 | 2015-01-07 | 辽东学院 | The tooth body degree of polymerization and the outer latitude of emulsion of hole type measure dual-purpose slide calliper rule |
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2014
- 2014-09-19 CN CN201410480499.0A patent/CN104197817B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913795A (en) * | 2017-04-28 | 2020-03-24 | 拉弗朗特拉大学 | Instrument for in situ measurement of convergence angle in dental preparation |
| CN110913795B (en) * | 2017-04-28 | 2021-10-15 | 拉弗朗特拉大学 | Measuring instrument for in situ measurement of the convergence angle of a dental preparation or root |
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| Publication number | Publication date |
|---|---|
| CN104197817B (en) | 2016-08-24 |
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