IS 6829: Dental Instruments - Orthodontic Pliers, Angle Wire Bending - Shape, Dimensions and Tests

9 Pages·1991·1 MB·English

by  Bureau of Indian Standards

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IS 6829 (1991): Dental Instruments - Orthodontic Pliers,
Angle Wire Bending - Shape, Dimensions and Tests [MHD 8:
Dentistry]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
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“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
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“Knowledge is such a treasure which cannot be stolen”

IS 9286 : 1991

Indian Standard
DENTAL INSTRUMENTS -ORTHODONTIC
PLIERS,A NGLE WIRE BENDING -SHAPE,
DIMENSIONS AND TESTS
( First Revision )
UDC 615’472 : 621’881’4 : 616’314-72

0 BIS 1991
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ~ZAFAR MARG
NEW DELHI 110002

November 1991 Price Group1
yrtsitneD lanoitceS ,eettimmoC DHM 8
FOREWORD
sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht
tfard dezilanif yb~ eht yrtsitneD lanoitceS ,eettimmoC had neeb devorppa yb eht lacideM
tnempiuqE and latipsoH gninnalP noisiviD .licnuoC
sihT standard was tsrif issued ni 1972 and derevoc noitacificeps rof elgna eriw gnidneb latned
.sreilp tI has neeb desiver os as ot niater eht stnemeriuqer ni tcepser fo ,epahs snoisnemid and
cificeps stset ,ylno as eht nommoc noitacificeps stcepsa rof all sepyt fo latneD sreilp era won
derevoc ni SI 12507 : 1988 lareneG‘ stnemeriuqer rof latned ,’sreilp hcihw dluow evres eht
esoprup fo a latnoziroh standard rof latned .sreilp sihT standard is ,erofereht ot eb desu ni
noitcnujnoc htiw SI 12507 : 1988.
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw
eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a ,tset shall eb dednuor ffo ni
ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( desiver .‘) ehT rebmun
fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps
eulav ni this standard.
IS6S29; 1991
Indian Standard
DENTAL INSTRUMENTS — ORTHODONTIC
PLIERS, ANGLE WIRE BENDING – SHAPE,
DIMENSIONS AND TESTS
( First Revision)
1 SCOPE 4 TESTS
This standard specifies the shape, dimensions 4.1 Performance Teat
and specific tests for angle wire bending ortho-
The pliers shall be used to make a complete
dontic pliers.
loop of orthodontic stainless steel wire ( hard
2 REFERENCES drawn ) of 0.63 mm dia. This shall be done
six times. On completion of the test, the
The following Indian Standards are necessary pIiers shall show no sign of damage.
adjuncts to this standard:
4.2 Rigidity Test
IS No. Title
1501 Method for vickers hardness The pliers shall be made -to grip a piece of
(Part 1) :1984 test for metallic materials : 1mm thick hardened steel bit. The bit chosen
Part 1HV 5 to HV 100(second shall be such that it will not be damaged by
revision) the test. A compressive force of 20 kgf shall
3642 Surgical instruments—.speci- be applied to the pliers and allowed to act for
( Part 1): 1990fication : Part 1 Non-cutting, 2minutes in sucha manner that the force acts
articulated type instruments on each handle (atotal of 4(.kgf on the pliers)
( second revision) at a distance of 40mm from their free ends.
This shall be done six times. On completion
3 SHAPE AND DIMENSIONS of the test, the pliers shall show no sign of
damage.
3.1 The shape and dimensions of the angle
wire bending orthodontic pliers shall be as
shown in Fig. 1. 4.3 Hardness Test

3.2 Joints When tested in accordance with 1S 1501
Part 1) :1984, the Vickers hardness of the
The joint of the pliers shall be double set.do-wn i nished pliers (excluding screw ) shall be
screw joint in accordance with 13.2.1 of IS 400 to 440HV.
3642(Part 1) :1990.
1
IS 6829 : 1991
A
C
b-l.5 SCREW
x-x
5

All dimensions in millimetres.
FIG. 1 ANGLEW IREB ENDINGO RTHODONTIPCL IBRS
2
Standard Mark
ehT esu fo eht dradnatS Mark is denrevog yb eht snoisivorp fo eht Bureau of Indian
Standards Act, 1986 and eht seluR and snoitalugeR edam .rednuereht ehT dradnatS Mark,
no stcudorp derevoc yb an naidnI dradnatS syevnoc eht ecnarussa that yeht evah neeb
decudorp ot ylpmoc htiw eht stnemeriuqer fo that standard rednu a llew denifed metsys
fo ,noitcepsni gnitset and ytilauq lortnoc hcihw is desived and desivrepus yb SIB and
detarepo yb eht .recudorp dradnatS dekram stcudorp era osla ylsuounitnoc dekcehc yb
SIB rof ytimrofnoc ot that standard as a rehtruf .draugefas sliateD fo snoitidnoc rednu
hcihw a ecnecil rof eht esu fo eht dradnatS Mark yam eb detnarg ot srerutcafunam ro
srecudorp yam eb deniatbo morf eht uaeruB fo naidnI Standards.
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sent to BIS giving the following reference:
DOC: No. MHD 8 ( 2183)
Amendments Issued Since Publication
Amend No. Date of Issue Text Affected
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