CN100591302C - Tooth axial angle protractor - Google Patents
Tooth axial angle protractor Download PDFInfo
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- CN100591302C CN100591302C CN200810054907A CN200810054907A CN100591302C CN 100591302 C CN100591302 C CN 100591302C CN 200810054907 A CN200810054907 A CN 200810054907A CN 200810054907 A CN200810054907 A CN 200810054907A CN 100591302 C CN100591302 C CN 100591302C
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Abstract
The invention discloses a tooth body protractor for measuring the axial angle, which is made of stainless steel. The protractor is in a square with 6 to 12 cm edges, two sides of which are provided with scale. At least two parallel lines with equal space are arranged on the horizontal direction and 30 scale marks are arranged on one side of a vertical line. A scale of 0 to 30 degrees is arranged beneath the front horizontal line of the tooth body protractor and a scale of 0 to 6 degrees is arranged beneath the back horizontal line. The tooth body protractor is used for measuring the preliminary angle of the tooth body in fixed denture reparation in stomatology, especially used for accurate measurement of angle in 0 to 30 degrees angle and 0 to 6 degrees. The effective measuring range and the overall dimension of the invention are suitable for measuring the angles in axial plane of the teeth, so the invention can measure the angle of the axial plane of the teeth body accurately and rapid.
Description
Technical field
The invention belongs to a kind of protractor, relate to a kind of tooth axial angle protractor.
Background technology
The stomatology field has a key concept to be called " the tooth axon is to the degree of polymerization ", be meant when carrying out needing elder generation that tooth is prepared into certain form when fixed denture is repaired, wherein the extended line of the axial plane that parallels with the tooth long axis of body jaw to angle be axial aggregation degree, the just degree of polymerization.This angle has a direct impact the retention effect of dummy, it is generally acknowledged that it is ideal between the 2-6 degree, but since mouthful in the practical difficulty of tooth preparation, the overall degree of polymerization 20 degree with interior also be acceptable.It is 180 degree that the general quantity hornwork can take measurement of an angle, and it is excessive to relate to angle for dentistry, and precision is not enough.
Summary of the invention
The present invention will solve the general quantity hornwork in that to measure the angle that the tooth axon exists in degree of polymerization process excessive, and precision is not enough, unhandy problem.
The present invention is by the following technical solutions: a kind of tooth axial angle protractor is shaped as square, the two-sided graduation mark that is provided with, be provided with equally spaced parallel lines more than 2 in the positive horizontal direction of tooth axial angle protractor, parallel beneath line has the scale of 0-30 degree, and vertical line one side is provided with 30 graduation marks, adjacent graduation mark is 1 degree at interval, and the spacing the when length of side is 6 centimetres between graduation mark and the top parallel lines intersection point is followed successively by: 0.0767,0.0767,0.0768,0.0769,0.0771,0.0774,0.0777,0.0780,0.0784,0.0788,0.0793,0.0798,0.0804,0.0811,0.0818,0.0826,0.0834,0.0843,0.0852,0.0863,0.0874,0.0886,0.0898,0.0912,0.0926,0.0941,0.0957,0.0974,0.0993,0.1012 the spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.1814,0.1815,0.1817,0.1821,0.1825,0.1831,0.1837,0.1845,0.1854,0.1865,0.1876,0.1889,0.1903,0.1918,0.1935,0.1953,0.1973,0.1994,0.2017,0.2041,0.2067,0.2095,0.2125,0.2157,0.2191,0.2227,0.2265,0.2305,0.2349,0.2395; Be provided with equally spaced parallel lines more than 2 in tooth axial angle protractor reverse side horizontal direction, parallel beneath line has the scale of 0-6 degree, and vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 0.2 degree at interval, spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.1783,0.1783,0.1783,0.1784,0.1784,0.1784,0.1784,0.1784,0.1785,0.1785,0.1786,0.1786,0.1787,0.1787,0.1788,0.1788,0.1789,0.1790,0.1791,0.1792,0.1792,0.1793,0.1794,0.1795,0.1796,0.1797,0.1799,0.1800,0.1801,0.1802, spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.1993,0.1993,0.1993,0.1993,0.1993,0.1993,0.1994,0.1994,0.1994,0.1995,0.1995,0.1996,0.1996,0.1997,0.1998,0.1999,0.1999,0.2000,0.2001,0.2002,0.2003,0.2004,0.2005,0.2006,0.2007,0.2009,0.2010,0.2011,0.2013,0.2014; The unit of all spacings is centimetre that tooth axial angle protractor adopts stainless steel.
When the length of side was 12 centimetres, positive horizontal direction was provided with equally spaced parallel lines more than 2, and parallel beneath line has the scale of 0-30 degree, and vertical line one side is provided with 30 graduation marks, adjacent graduation mark is 1 degree at interval, and the spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.1533,0.1534,0.1536,0.1539,0.1543,0.1547,0.1553,0.1560,0.1567,0.1576,0.1586,0.1597,0.1609,0.1622,0.1636,0.1651,0.1668,0.1686,0.1705,0.1726,0.1748,0.1771,0.1796,0.1823,0.1852,0.1882,0.1914,0.1949,0.1985,0.2024, spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.3628,0.3630,0.3635,0.3641,0.3650,0.3661,0.3675,0.3691,0.3709,0.3729,0.3752,0.3778,0.3806,0.3837,0.3870,0.3907,0.3946,0.3988,0.4034,0.4083,0.4135,0.4191,0.4250,0.4314,0.4381,0.4453,0.4530,0.4611,0.4697,0.4789; Be provided with equally spaced parallel lines more than 2 in tooth axial angle protractor reverse side horizontal direction, parallel beneath line has the scale of 0-6 degree, and vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 0.2 degree at interval, spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.3567,0.3567,0.3567,0.3567,0.3567,0.3568,0.3568,0.3569,0.3570,0.3570,0.3571,0.3572,0.3573,0.3574,0.3576,0.3577,0.3578,0.3580,0.3581,0.3583,0.3585,0.3587,0.3589,0.3591,0.3593,0.3595,0.3597,0.3600,0.3602,0.3605, spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.3985,0.3985,0.3986,0.3986,0.3986,0.3987,0.3987,0.3988,0.3989,0.3990,0.3991,0.3992,0.3993,0.3994,0.3996,0.3997,0.3999,0.4000,0.4002,0.4004,0.4006,0.4008,0.4010,0.4012,0.4015,0.4017,0.4020,0.4022,0.4025,0.4028; The unit of all spacings is centimetre that tooth axial angle protractor adopts stainless steel.
Tooth axial angle protractor is used for the mensuration of the tooth preparation angle of stomatology fixed denture reparation, be with the local amplification of general protractor, increase graduation mark and increase level to lines, the particular amount hornwork that forms, two-sided scale, be specifically designed to the accurate measurement of 0-30 degree angle and 0-6 degree, useful range and overall dimensions are highly suitable for the measurement of tooth axon face angle, can not only accurately but also rapidly record tooth axon face angle.
Description of drawings
Fig. 1 is a Facad structure sketch map of the present invention,
Fig. 2 is a reverse side structural representation of the present invention.
The specific embodiment
Embodiment 1
Tooth axial angle protractor is with the local amplification of general protractor, increases graduation mark and increase level to lines, the particular amount hornwork of formation, adopt stainless steel, be shaped as the square of 6 centimetres of the length of sides, the two-sided scale that is provided with of tooth axial angle protractor, horizontal direction is provided with 13 equally spaced parallel lines, and parallel beneath line has the scale of 0-30 degree, is used for the measurement of 0-30 degree angle, vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 1 degree at interval, and the spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.0767,0.0767,0.0768,0.0769,0.0771,0.0774,0.0777,0.0780,0.0784,0.0788,0.0793,0.0798,0.0804,0.0811,0.0818,0.0826,0.0834,0.0843,0.0852,0.0863,0.0874,0.0886,0.0898,0.0912,0.0926,0.0941,0.0957,0.0974,0.0993,0.1012, the spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.1814,0.1815,0.1817,0.1821,0.1825,0.1831,0.1837,0.1845,0.1854,0.18650.1876,0.1889,0.1903,0.1918,0.1935,0.1953,0.1973,0.1994,0.2017,0.2041,0.2067,0.2095,0.2125,0.2157,0.2191,0.2227,0.2265,0.2305,0.2349,0.2395; Be provided with 13 equally spaced parallel lines in tooth axial angle protractor reverse side horizontal direction, parallel beneath line has the scale of 0-6 degree, is used for the accurate measurement of 0-6 degree angle, and vertical line one side is provided with 30 graduation marks, adjacent graduation mark is 0.2 degree at interval, and the spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.1783,0.1783,0.1783,0.1784,0.1784,0.1784,0.1784,0.1784,0.1785,0.1785,0.1786,0.1786,0.1787,0.1787,0.1788,0.1788,0.1789,0.1790,0.1791,0.1792,0.1972,0.1793,0.1794,0.1795,0.1796,0.1797,0.1799,0.1800,0.1801,0.1802, the spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.1993,0.1993,0.1993,0.1993,0.1993,0.1993,0.1994,0.1994,0.1994,0.1995,0.1995,0.1996,0.1996,0.1997,0.1998,0.1999,0.1999,0.2000,0.2001,0.2002,0.2003,0.2004,0.2005,0.2006,0.2007,0.2009,0.2010,0.2011,0.2013,0.2014, the unit of all spacings is centimetre.
Embodiment 2
Tooth axial angle protractor is with the local amplification of general protractor, increases graduation mark and increase level to lines, the particular amount hornwork of formation, adopt stainless steel, when the tooth axial angle protractor length of side was 12 centimetres, positive horizontal direction was provided with equally spaced parallel lines more than 2, parallel beneath line has the scale of 0-30 degree, and vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 1 degree at interval, spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.1533,0.1534,0.1536,0.1539,0.1543,0.1547,0.1553,0.1560,0.1567,0.1576,0.1586,0.1597,0.1609,0.1622,0.1636,0.1651,0.1668,0.1686,0.1705,0.1726,0.1748,0.1771,0.1796,0.1823,0.1852,0.1882,0.1914,0.1949,0.1985,0.2024, spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.3628,0.3630,0.3635,0.3641,0.3650,0.3661,0.3675,0.3691,0.3709,0.3729,0.3752,0.3778,0.3806,0.3837,0.3870,0.3907,0.3946,0.3988,0.4034,0.4083,0.4135,0.4191,0.4250,0.4314,0.4381,0.4453,0.4530,0.4611,0.4697,0.4789; Be provided with equally spaced parallel lines more than 2 in tooth axial angle protractor reverse side horizontal direction, parallel beneath line has the scale of 0-6 degree, and vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 0.2 degree at interval, spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.3567,0.3567,0.3567,0.3567,0.3567,0.3568,0.3568,0.3569,0.3570,0.3570,0.3571,0.3572,0.3573,0.3574,0.3576,0.3577,0.3578,0.3580,0.3581,0.3583,0.3585,0.3587,0.3589,0.3591,0.3593,0.3595,0.3597,0.3600,0.3602,0.3605, spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.3985,0.3985,0.3986,0.3986,0.3986,0.3987,0.3987,0.3988,0.3989,0.3990,0.3991,0.3992,0.3993,0.3994,0.3996,0.3997,0.3999,0.4000,0.4002,0.4004,0.4006,0.4008,0.4010,0.4012,0.4015,0.4017,0.4020,0.4022,0.4025,0.4028; The unit of all spacings is centimetre.
The concrete establishing method of tooth axial angle protractor: getting a bit is central point, and 2 two rays of vertical line 1 and horizontal line that draw as the center, horizontal line line 2 apart from central point 6-12 centimeters draw again one vertical with it vertically to line 3, line 3 and line 1 are in the same way and parallel, with the central point is the center of circle, line 1 is 0 degree line, line 2 is 90 degree lines, draw the line 4 that is 30 degree or 6 degree with line 1, the intersection point of line 4 and line 3 is made as a little 1, to put 1 has been the strokes and dots horizontal line, be vertically intersected on a little 2 with line 1, measure 6 or 12 centimetres by point 2 to the central point direction, for putting 3, by point 3 has been the strokes and dots horizontal line, intersect at a little 4 with line 3, the rectangle that connects 4 points both had been the figure scope in this protractor front, be the center of circle again with the central point, line 1 is 0 degree line, online 1 with line 4 between spend ray of picture with per 1 degree or per 0.2, the corresponding lines of 1-29 degree draw, finish and hang down certainly to 31 graduation marks, every graduation mark all intersects with orthogonal two horizontal lines, determines after the graduation mark part outside 6 or 12 cm range to be given up, and stays the both front or the reverse side settings of performance hornwork of zone within the rectangular extent.
Using method: the relation between the tooth axon face is transferred to outside the mouth, with vertical axis of protractor and the one arm overlaid in the transfer equipment, move left and right shifts angle equipment in the horizontal direction, in addition one arm to transfer equipment overlaps with any angle index line, and scale reading is just represented in the transfer equipment angle between two arms at this moment.
Claims (2)
1, a kind of tooth axial angle protractor is shaped as square, the two-sided graduation mark that is provided with, it is characterized in that: the tooth axial angle protractor length of side is 6 centimetres, and positive horizontal direction is provided with equally spaced parallel lines more than 2, and parallel beneath line has the scale of 0-30 degree, vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 1 degree at interval, and the spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.0767,0.0767,0.0768,0.0769,0.0771,0.0774,0.0777,0.0780,0.0784,0.0788,0.0793,0.0798,0.0804,0.0811,0.0818,0.0826,0.0834,0.0843,0.0852,0.0863,0.0874,0.0886,0.0898,0.0912,0.0926,0.0941,0.0957,0.0974,0.0993,0.1012, the spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.1814,0.1815,0.1817,0.1821,0.1825,0.1831,0.1837,0.1845,0.1854,0.1865,0.1876,0.1889,0.1903,0.1918,0.1935,0.1953,0.1973,0.1994,0.2017,0.2041,0.2067,0.2095,0.2125,0.2157,0.2191,0.2227,0.2265,0.2305,0.2349,0.2395; Be provided with equally spaced parallel lines more than 2 in tooth axial angle protractor reverse side horizontal direction, parallel beneath line has the scale of 0-6 degree, and vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 0.2 degree at interval, spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.1783,0.1783,0.1783,0.1784,0.1784,0.1784,0.1784,0.1784,0.1785,0.1785,0.1786,0.1786,0.1787,0.1787,0.1788,0.1788,0.1789,0.1790,0.1791,0.1792,0.1792,0.1793,0.1794,0.1795,0.1796,0.1797,0.1799,0.1800,0.1801,0.1802, spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.1993,0.1993,0.1993,0.1993,0.1993,0.1993,0.1994,0.1994,0.1994,0.1995,0.1995,0.1996,0.1996,0.1997,0.1998,0.1999,0.1999,0.2000,0.2001,0.2002,0.2003,0.2004,0.2005,0.2006,0.2007,0.2009,0.2010,0.2011,0.2013,0.2014; The unit of all spacings is centimetre that tooth axial angle protractor adopts stainless steel.
2, a kind of tooth axial angle protractor is shaped as square, the two-sided graduation mark that is provided with, it is characterized in that: the tooth axial angle protractor length of side is 12 centimetres, and positive horizontal direction is provided with equally spaced parallel lines more than 2, and parallel beneath line has the scale of 0-30 degree, vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 1 degree at interval, and the spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.1533,0.1534,0.1536,0.1539,0.1543,0.1547,0.1553,0.1560,0.1567,0.1576,0.1586,0.1597,0.1609,0.1622,0.1636,0.1651,0.1668,0.1686,0.1705,0.1726,0.1748,0.1771,0.1796,0.1823,0.1852,0.1882,0.1914,0.1949,0.1985,0.2024, the spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.3628,0.3630,0.3635,0.3641,0.3650,0.3661,0.3675,0.3691,0.3709,0.3729,0.3752,0.3778,0.3806,0.3837,0.3870,0.3907,0.3946,0.3988,0.4034,0.4083,0.4135,0.4191,0.4250,0.4314,0.4381,0.4453,0.4530,0.4611,0.4697,0.4789; Be provided with equally spaced parallel lines more than 2 in tooth axial angle protractor reverse side horizontal direction, parallel beneath line has the scale of 0-6 degree, and vertical line one side is provided with 30 graduation marks, and adjacent graduation mark is 0.2 degree at interval, spacing between graduation mark and the top parallel lines intersection point is followed successively by: 0.3567,0.3567,0.3567,0.3567,0.3567,0.3568,0.3568,0.3569,0.3570,0.3570,0.3571,0.3572,0.3573,0.3574,0.3576,0.3577,0.3578,0.3580,0.3581,0.3583,0.3585,0.3587,0.3589,0.3591,0.3593,0.3595,0.3597,0.3600,0.3602,0.3605, spacing between graduation mark and the parallel beneath line intersection point is followed successively by: 0.3985,0.3985,0.3986,0.3986,0.3986,0.3987,0.3987,0.3988,0.3989,0.3990,0.3991,0.3992,0.3993,0.3994,0.3996,0.3997,0.3999,0.4000,0.4002,0.4004,0.4006,0.4008,0.4010,0.4012,0.4015,0.4017,0.4020,0.4022,0.4025,0.4028; The unit of all spacings is centimetre that tooth axial angle protractor adopts stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810054907A CN100591302C (en) | 2008-05-01 | 2008-05-01 | Tooth axial angle protractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810054907A CN100591302C (en) | 2008-05-01 | 2008-05-01 | Tooth axial angle protractor |
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| CN101264034A CN101264034A (en) | 2008-09-17 |
| CN100591302C true CN100591302C (en) | 2010-02-24 |
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| CN200810054907A Expired - Fee Related CN100591302C (en) | 2008-05-01 | 2008-05-01 | Tooth axial angle protractor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197817B (en) * | 2014-09-19 | 2016-08-24 | 辽东学院 | The tooth body degree of polymerization latitude of emulsion outer with hole type measures dual-purpose slide calliper rule |
| CN112902807B (en) * | 2021-01-14 | 2022-09-23 | 富通集团（天津）超导技术应用有限公司 | Cable helix angle measuring device and measuring method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB104421A (en) * | 1916-04-26 | 1917-03-08 | Albert Wellesley Archibold | Improvements in Transparent Military Protractors Applicable to Gun-Charts. |
| CN2684142Y (en) * | 2004-04-20 | 2005-03-09 | 骆遥 | Planar structure and attitude survey stick for topographic and geologic map |
| CN201185973Y (en) * | 2008-05-01 | 2009-01-28 | 姚蔚 | Bevel gauge for measuring tooth axial direction angle |
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2008
- 2008-05-01 CN CN200810054907A patent/CN100591302C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB104421A (en) * | 1916-04-26 | 1917-03-08 | Albert Wellesley Archibold | Improvements in Transparent Military Protractors Applicable to Gun-Charts. |
| CN2684142Y (en) * | 2004-04-20 | 2005-03-09 | 骆遥 | Planar structure and attitude survey stick for topographic and geologic map |
| CN201185973Y (en) * | 2008-05-01 | 2009-01-28 | 姚蔚 | Bevel gauge for measuring tooth axial direction angle |
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| CN101264034A (en) | 2008-09-17 |
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Granted publication date: 20100224 Termination date: 20130501 |