Tiêu chuẩn iso 13397 3 1996 scan

3 3 3 9 7 3 96 4 853903 Ob7 L7 3 2 1 2 0 = I N T E R NAT I O NA L STANDARD IS0 1 3397 3 First edition 1 996 09 01 Periodontal curettes, dental scalers and excavators Part 3 Dental scalers H type Curet[.]

Periodontal curet es, dental scaler s and

-Part 3:

Cu rete pa ro do n ta le s, instruments de n ta ire s pour détartrage et

exc av a teu rs de n ta ire s

-Partie 3: Ins trum ents de n ta ire s p ur détartrage -Type H

This ma t eria l is reproduc ed from IS 0 d c ument s u d r Int erna t ional

Organiza t ion for St anda rdiza t ion (SO) Co y r ight L ic en e n mb er

IH / IC / 19 6

Not for res ale No p r t of t hese IS d c ument s may b

re p ro du e in an form, elect ronic ret rieva l sy st em or ot herwise, ex cep t as

alowe in the c opy ght law of the c ou t ry of u e, or with the prior wr iten

c on ent of IS0 (Ca se p stale 5 ,121 Ge ne va 2 , Swit zerland, Fax + 12

7 34 10 7 ) IH or th IS Lic en or's me mbe rs

Refere c n mb r

IS0 13 9 -3:19 6(E)

Forew ord

IS0 ( he International Organization for Stan ardization) is a worldwide

feder ation of national stan ard b dies (IS0 memb r b dies).T he work

of pr ep r i g International St an a r ds is normaly car ried out throu h IS0

tec nical commite s Eac h memb r b d interested in a s bject for

whic a tec nical commite ha s b en esta ls ed has the rig t to b

re resented on that commite International organiza tion , governmental

an non-governmental, in laison with ISO, also take p r t in the work IS0

c ola or a t es closely with the International Electrotec nical Commis ion

(IEC) on all maters of electrotec nical stan ardization

Dr af International St an a r ds ado ted by the tec nical commite s are

cir culated to the memb r b dies for votin Publcationas an International

St an a r dreq ires a pr ov a l by at le st 7 Y of he memb r b dies castin

l a vote

International St an a r d IS0 13 9 -3 w as pr ep red by T ec hnic a l Commite

iSO/TC 10 , Dentistry , Subcommite SC 4, Dental instruments

IS0 13 9 con ists of the fol owin pa rts, u der the general title

Pe iodo tal cur tes, de n ta l s c ale s a d exc av ators:

- Part 1: Gene al r q i rements

- Part 2: Pe iodo tal cur tes -Gr-yp e

- Part 3: Dental sca le rs -H-yp e

- Part4: Dental exc a v a tor -D iscoid-yp e

It is anticip ted that ad itional typ s o f in truments wi form the s bject

of future p rts

8 IS0 19 6

All r i hts r es r ve Unle s oth rwis s e ifie , n p rt of this p blc tio ma b re r od c d

or uti ze in any formor b a y me n , ele tro ic or me h nic l in lu in p oto o yin and

microfim, with ut p rmis io in writin from th p bls er

Periodontal curet es, dental scalers and excavators

I

T his pa rt of IS0 1 39 sp cifies the dimen ion for

H-yp dental s alers

2 Normative referenc e s

T he folowin sta nda rds contain pr ovision w hic ,

throu h referen e in this text, con titute pr ovision

of this pa rt of IS0 1 39 At the time o f publcation,

the edition in icated were v ald Al stan ar ds a re

s bject to revision, an p r ties to agre ments b sed

on this p r t of IS0 1 39 are en ouraged to in esti-

gate the p s ibi ty of a plyin the most recent edi-

tion of the stan ard in icated b low Memb rs of

IEC an IS0 maintain r egister s of c r rently vald

International St a nda r ds

IS0 19 2-3:19 9, Dental voca ular - Part 3: Dental

i nstruments

IS0 1 39 -1 :I 9 5, Pe iodo tal cur tes, denta l

s c a le s a d exc av ators - Par t 1: Gene al re qu ire -

ment s

nition given in IS0 19 2-3 an the folowin defi-

nition a ply

3.1 dental s aler : Han in trument for removin

c alc ulu an other ac r etion from the s r face o f

te th

3.2 glaz s rfac e : Work in s r face of the in tr

u-ment formed d r i g pr od ction of the c tin e dge ( s1

4 D es ign and dime nsions

Genera l req irements for dental s alers are sp cified

in IS0 1 39 -1

Dentals alers s a ll ha v e the desig s s own infig r es

1 to 5 an the dimen ion as given in ta le I The

p ints of me s rement as ociated with the dimen-

sion a re lsted in ta le

A nnex A of IS0 1 39 -1 pr ovides detais of one

method of me s r ement a plca le to most typ s o f

dental han in trument

3 Definitions

For the pur poses of this pa rt of IS0 1 39 ,the defi-

The maximum overal len th, irr esp ctive of the de-

sig o f the in trument, s a ll b 17 mm

IS0 1 3 7 -3:1 9 (E)

A-A

(51)

\

D ime nsio ns in mi met res

2:

Fig re 1 - De tals a le rs -H-type 3 a d 4 (c is l)

Fig re 2 - De tal s a le rs -H-type 5 (cleoid)

Cut t ing edg s

2:l

H7

Fig re 3 - De tal s a le rs -H-type 6 a nd 7 (sick le)

LC uttin e dge s

A

2:

Fig re 4 - De tal s aler s -H-type 8 (cleoid)

H9 Rig than s aler

Figur 5 - Dental scale s -H-ype 9 (cleoid)

Bla e width

Bla e thick nes

~

Me s re at the wid st p int u les a sp cific cros -section is indicate by A ,

B , Z at a set distan e from the d tum p int

Me s re at the thick st p int u les a sp cific cros -section is indicate b A ,

B , , Z Z a t a set distan e from the d tum p int

Table 2 - P ints of me s reme t for H-type s aler s

I

Bla e length

Bla e height

Distan e me s re from the extreme tip of the bla de, p ralel to the centrelne of

the bla de, to the bla e hank interface

Distan e me s re from the d tum p int at right angles to the centrelne of the

in trument to the farthest extremity of he bla e

Sha nk height Distan e me s re from the d tum p int at right angles to the centrelne of the

in trument to the farthest external s rface of he first b nd of the s a nk

L ngthto first b nd Distan e me s re from the d tum p int p ralel to the centrelne of the in tru-

ment to the highest p int on the first b nd

Ra diu of bla e

Bla de angle

Ofset angle

Ra diu of c rvature of he in id of the bla e (eferen e dimen ion only)

Angle of glaze s rface to the c ent re' ne of the bla de, s a nk or in trument whic ever

is a pro riate

With the in trument viewe a t 9 " to the stand rd p sition (¡e a plan view) the

angle b twe nthe centrelne of the s a nk a nd a lne, p ralel to the centrelne of the

in trument forming a tang nt with the first b nd of the in trument

ICs 11.06 0 2 0

De criptors: d ntistr y, d ntal e uipme t, d ntal in trume ts, dime sio s, dime sio al me s r eme ts

Pr i e b s d o 6 p g s