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[.]
4 90 Ob7 L7 96 33397-3 I N T E R N AT I O = IS0 N AL 3397-3 S TAN D AR D F i rs t e d i ti o n 996-09-01 Peri od on tal cu rettes, d e n t a l scal ers an d excavators Part 3: D e n tal s ca l e rs Curettes parodontales, 3: Instruments Th i s in s tru m e n ts dentaires dentaires m ateri al Org an i zati on i s N ot fo r al l owed i n t h e co pyri g h t 734 79), I H S détartrage f ro m IS0 détartrage resal e No el ectro n i c p art of retri eval et IS0 Li cen so r' s H Ty p e u n d er C o pyri g h t th ese IS0 I n tern ati on al Li cen se Gen eva 20, n u m ber d ocu m en ts s ys te m o r oth erwi se, l aw o f th e co u n try o f use, (Case p o s tal e , 1 or t h e - d ocu m en ts (ISO) Stan d ard i zati on reprod u ced i n an y fo rm , IS0 pour re pro d u ce d fo r I H S/I CC/1 996 sen t o f pour - excavateurs dentaires Pa rti e H - type - m ay be except as o r wi th t h e p ri o r wri tte n Swi tzerl an d , Fax +41 22 mem bers R e fe re n ce I S n u m ber 3 97-3 : 996(E) IS0 13397-3: 1996(E) Foreword IS0 (th e I n tern ati on al Org an i zati on for Stan d ard i zati on ) i s a wo rl d wi d e fed erati on of n ati on al stan d ard s bod i es ( I S m em ber bod i es) The wo rk of prepari n g I n tern ati on al Standards i s n orm al l y carri ed o u t th rou g h tech n i cal co m m i tte e s Each m em ber wh i ch a tech n i cal co m m i tte e bod y i n terested in a su bj ect h as been establ i sh ed has th e IS0 for ri g h t t o be represen ted on th at co m m i tte e I n tern ati on al organi zati ons, g overn m en tal and n on -g overn m en tal , i n l i son w i t h I SO, al so take part i n th e work collaborates cl osel y w i t h th e I n tern ati on al IS0 El ectrotech n i cal Com m i ssi on (I EC) on all m atters of el ectrotech n i cal stan d ard i zati on Draft I n tern ati on al Standards ad opted by th e tech n i cal co m m i tte e s are ci rcu l ated t o th e m em ber bod i es fo r voti n g Pu bl i cati on as an I n tern ati on al Standard req u i res approval by a t l east l YO of th e m em ber bod i es casti n g a vote I n tern ati on al Standard I S 3397-3 was prepared by Techni cal Com m i ttee i SO/TC 06, IS0 3397 Dentistry, si sts Periodontal c u re tte s , Su bcom m i ttee SC 4, of th e fo l l o wi n g dental scalers a n d - Part : - Pa rt 2: Periodontal cu re tte s - Pa rt 3: Dental scalers - Part : Dental parts, in s tru m e n ts u n d er th e g en eral ti tl e excavators: General re quire me n ts - - Gr-type H-type Dental excavators - Discoid-type I t i s an ti ci pated th at ad d i ti on al types of i n stru m en ts wi l l fo rm th e su bj ect of fu tu re parts IS0 996 All ri g h ts reserved or U n l ess o th e rwi s e speci fi ed , n o part o f th i s pu bl i cati on m ay be reprod u ced u ti l i zed i n any fo rm or by any m ean s, el ectron i c or m ech an i cal , i n cl u d i n g ph otocopyi n g and m i crofi l m , wi th o u t pe rm i s s i o n i n wri ti n g fro m th e pu bl i sh er I n tern ati on al Org an i zati on fo r Stan d ard i zati on Case Postal e 56 Pri n ted i n Swi tzerl an d II CH-1 21 G en eve Swi tzerl an d 3397 -3 76 53 90 O b 7 W TT3 W ~~ I N TE R N ATI O N AL S TA N D A R D IS0 IS0 3397-3: 996(E) - Peri od on tal cu rettes, d e n t a l scal ers a n d excavators Part 3: I D en tal scal ers - H -type n i ti on s g i ven Scope in IS0 42- an d th e fo l l o wi n g d efi - n i ti on s apply Thi s part of I S 3 97 speci fi es th e d i m en si on s fo r dental scal er: 3.1 H -type d en tal scal ers calcu l u s The th rou g h standards referen ce th e ed i ti on s tai n i n th i s te xt, of th i s part of I S 3 97 oth er i n stru m en t accreti on s fro m for th e rem ovi n g su rface of te e th N orm ati ve references fo l l o wi n g an d H an d provi si on s co n sti tu te wh i ch , provi si on s 3.2 glaze surface: Worki n g su rface of th e i n stru - m e n t fo rm e d d u ri n g prod u cti on o f th e cu tti n g edge(s1 At th e t i m e of pu bl i cati on , i n d i cated we re vali d Al l stan d ard s are Design and dimensions su bj ect t o revi si on , an d parti es t o ag reem en ts based on th i s part of I S 3 97 are en cou rag ed to i n vesti - g ate th e possi bi l i ty of appl yi n g th e m o s t recen t ed i - General req u i rem en ts for d en tal scal ers are speci fi ed in I S 3 97 - ti on s of th e stan d ard s i n d i cated bel ow M em bers of IEC an d IS0 m n tai n reg i sters of cu rren tl y val i d I n tern ati on al Standards Den tal scal ers sh all have th e d esi g n s s h o wn i n fi g u res t o an d th e poi n ts of IS0 942- : 98 9, Dental vocabulary - Pa rt 3: Dental d i m en si on s as g i ven i n tabl e m easu rem en t associ ated w i t h th e I The d i m en - si ons are l i sted i n tabl e in strume n ts An n ex A IS0 3 97-1 : I 9 , scalers and Periodontal excavators - P a rt cure tte s, 1: General dental require- of IS0 3 97-1 provi d es d etai l s of on e m e th o d of m easu rem en t appl i cabl e to m o s t types of d en tal h an d i n stru m en t m e n ts Overall l en g th Definitions The m axi m u m overal l l en g th , For th e pu rposes o f th i s part of I S 3 97, th e d efi - i rrespecti ve of th e de- si g n of th e i n stru m en t, sh all be 78 mm 1 3 7 -3 96 IS0 = 65 67 L5 93T 13397-3: 1996(E) Dimensions in millimetres 2:l Fi g u re A-A - Den tal scalers - H -types an d (ch i sel ) (51 ) \ LCu tti n g Fi g u re 2 - ed g es Den tal scalers - H -type (cl eoi d ) 3 97 -3 96 W 51 90 67 ô7 IS0 W I S 3397-3: 996(E) 2: l Yi -Cutting e d g e s ~ - H7 Fi g u re - Den tal scalers - H -types and (si ckl e) IS0 3397-3: 996(E) Q LCutting / edges w 2: l A Fi g u re 4 - Den tal scal ers - H -type (cl eoi d ) IS0 3 -3 96 = 51 90 O67 64 Q I S0 E O 3397-3: 996(E) H9 Ri g h t-h an d Figure - Den tal scalers scal er - H -type (cleoid) IS0 3397-3:1 996(E) Q Tabl e - IS0 Poi n ts of m easu rem en t for H -type scal ers I Dimension I Point of measurement ~~ ~ ~ M e as u re d a t th e wi d e s t poi n t, u n l ess a speci fi c cross-secti on i s i n d i cated by AA, Bl ad e w i d t h BB , , ZZ a t a se t d i stan ce fro m th e d atu m po i n t Bl ad e th i ckn ess M e as u re d at th e th i ckes t poi n t, u n l ess a speci fi c cross-secti on i s i n d i cated by AA, BB, , ZZ at a se t d i stan ce fro m th e d atu m po i n t ~ ~~ ~ ~~ ~ ~~ ~ ~ ~ Bl ad e l en g th Di stan ce m easu red fro m th e extre m e ti p of th e blade, paral l el t o th e cen trel i n e of th e blade, t o th e bl ad ebh an k i n terface Bl ad e h e i g h t D i stan ce m easu red fro m th e d atu m poi n t, a t ri g h t an g l es t o th e cen trel i n e o f th e i n stru m e n t, t o th e farth e st e xtre m i ty of th e bl ad e Shan k h ei g h t Di stan ce m easu red fro m th e d atu m poi n t, a t ri g h t an g l es t o th e cen trel i n e o f th e i n stru m e n t, to th e farth e st extern al su rface of th e fi rs t ben d o f t h e sh ank Le n g th t o fi rst ben d Di stan ce m easu red fro m th e d atu m poi n t, paral l el t o th e ce n tre l i n e of th e i n stru m e n t, t o th e h i g h est po i n t on t h e fi rs t ben d Radiu s of bl ad e Radi u s of cu rvatu re of th e i n si d e of th e bl ad e (refe re n ce d i m e n si o n o n l y) Blade an g l e An g l e of glaze su rface t o th e centre'lin e of th e blade, shank or i n s tru m e n t, wh i ch ever i s appropri ate O ffs e t an g l e W i t h th e i n stru m en t vi e we d at 90" to th e stan d ard po s i ti o n (¡ e a pl an vi e w) th e an g l e b e t we e n th e cen trel i n e of th e sh ank an d a l i n e, paral l el t o th e cen trel i n e of th e i n s tru m e n t, fo rm i n g a tan g en t w i t h th e fi rs t ben d of th e i n s tru m e n t 3 97 -3 I S0 96 90 Ob71 720 2T7 13397-3: 1996(m I C s 1 060.20 Descri ptors: d e n ti s try, P ri ce bas e d o n pag e s d e n tal eq u i pm e n t, d e n tal i n s tru m e n ts , d i m en si on s, d i m e n s i o n al m e as u re m e n ts =