KS P ISO 27020-2012 Dentistry－Brackets and tubes for use in orthodontics《牙科学 矫正用支架与软管》.pdf

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3、 use in orthodontics 1 . . KS P ISO 10993 1 KS P ISO 7405 , . 2 . . ( ) . KS P ISO 1942, 3 , KS P ISO 1942 . 3.1 (torque) , - 2 - ( ) , ( ) . 1 3.2 (angulation) / , / - - ( ) ( ) . KS P ISO 27020:2012 2 2 3.3 (archwire) 3.4 (auxiliary slot) 3.5 (auxiliary slot dimensions) / 3.6 (band) ( ) . 3.7 (bas

4、e) 3.8 (descriptor) 1 000 1 ( , 18 22) 3.9 (bracket) (tube) 3.10 - (in-out) 3.10.1 - li , - 3 a) 3.10.2 - li - ; (chamfer) - , ( , ) KS P ISO 27020:2012 3 - 3 b) 3.11 (rotational offset) , ( ) ( ) 4 3.12 (slot) 3.13 (slot depth) d , / 5 3.14 (slot height) h , - 5 3.15 (slot length) ls 4 4.1 , , , .

5、4.2 4.2.1 0.01 mm . 5. , . KS P ISO 27020:2012 4 a) - lib) d c) h d) lse) 4.2.2 1 . 5. , . a) b) c) 5 5.1 6 . 4.2 . 5.2 5.2.1 , , , 0.005 mm 0.5 . 5.2.2 5.2.2.1 ( 1 ) 5.2.2.1.1 / , . a) (X ). b) X 1( 1 A A ) . ( .) 5.2.2.1.2 1 , 1 . a) - 2 . b) 2 ( 1 3) 4 . c) 3 4 5 . ( .) d) 5 2 , . KS P ISO 27020:

6、2012 5 (X ) 1 . , 2, 4, 5 . a) face b) X 1 X 2 - 3 2 4 3 5 3 4 1 KS P ISO 27020:2012 6 5.2.2.2 ( 2 ) / . a) (X ). b) X 1( 2 A A ) . ( .) c) - 2 . d) 1 2 , . X 1 X 2 - 2 5.2.2.3 - ( 3 ) 5.2.2.3.1 - 3 a) , / , . a) (X ). b) X 1 3 a) A A . ( .) c) 1 , - 2 . d) 1 , 2 - li . 5.2.2.3.2 - 3 b) KS P ISO 270

7、20:2012 7 , . a) - 2 . b) 2 , 3 . c) 2 3 , - li . a) - b) - X 1 X 2 - 3 li- 3 - 5.2.2.4 ( 4 ) , . a) 1 . b) 2 3 . c) 2 3 4 . d) 1 4 . KS P ISO 27020:2012 8 1 2, 3 4 2 3 4 5.2.2.5 ( 5 ) / , . a) (X ). b) X 1( 5 A A ) . ( .) c) 1 , / 2 . d) d . 5.2.2.6 ( 5 ) / , . a) (X ). b) X 1( 5 A A ) . ( .) c) 1

8、, - h . KS P ISO 27020:2012 9 X - 1 X 2 , / h d 5 5.2.3 . 6 6.1 , , . a) 0.1 % 4.1 b) 4.2 . 6.2 . 6.3 KS P ISO 27020:2012 10 . a) b) c) d) e) f) , ( .) g) KS P ISO 27020:2012 11 1 KS P ISO 7405, 2 KS P ISO 10993 1, 1： 3 KS P ISO 15841, 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS P ISO 27020:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS DentistryBrackets and tubes for use in orthodontics ICS 11.060.10