Supplement to the List of Certified Dental Materials and Devices C o u n c il on D e n t a l M a t e r ia ls a n d D e v ic e s
S in ce publication o f the m ost recent List of C er tified D ental M aterials and D ev ices revised to Jan 1, 1976, and published in the January 1976 issu e o f t h e j o u r n a l ( j a d a 92:163), the follow ing changes have been made in the List. A dditions— T h e follow ing products conform to the A m erican D ental A ssociation Specifica tion N o . 1 for A llo y s for D ental A m algam , Spec ification N o . 4 for Dental Inlay Casting W axes, S pecification N o . 15 for A crylic Resin T eeth, and Specification N o . 25 for D ental G ypsum Products and are being added to the List as new certifications.
CERTIFIED DENTAL IN LAY CASTING WAXES ADA S p ecificatio n No. 4, S econd R evision TYPE I, DIRECT TECHNIQUE K e r r I v o r y In la y C a s tin g W a x — H a r d , K err Mfg. Co. TYPE II, INDIRECT TECHNIQUE K e r r I v o r y In la y C a s t in g W a x — R e g u la r, K e n M fg. Co. CERTIFIED ACRYLIC RESIN TEETH ADA S pecificatio n No. 15 TYPE III, POSTERIOR— NONANATOMIC B io to n e R a tio n a l B lo c k P o s te r io r , D entsply International,
Inc.
CERTIFIED ALLOYS FOR DENTAL AMALGAM CERTIFIED DENTAL GYPSUM PRODUCTS ADA S p e cifica tio n No. 1, Second Revision ADA S p ecificatio n No. 25 F o r m a llo y , Z in c ; N o n Z in c , W eber C onsum able Products,
D iv. o f Sterndent Corp.
TYPE II, MODEL PLASTER K e r r S n o w W h ite P la s te r N o . 1, K err M fg. Co.
Additions to the List of Classified Dental Materials and Devices C o u n c il o n D e n t a l M a t e r ia ls a n d D e v ic e s
T h e A ccep tan ce Program o f the Council applies to materials and d evices for w hich ev id en ce of safety and usefulness has been established by biological, laboratory, and/or clinical evaluation w here appropriate. D etails concerning the C oun c il’s A ccep ta n ce Program may be found in the C o u n cil’s publication G uide to D e n ta l Materials a n d D evices. T he C ou n cil’s program provides for classifi cation o f d ev ices as A ccep tab le, Provisionally A ccep ta b le, or U nacceptable. Products are re considered periodically, and decisions are sub ject to change at any tim e that a substantial am ount o f new eviden ce becom es available. R ecent action o f the Council resulted in the classification o f the following: 968 ■ REPORTS OF COUNCILS AND BUREAUS / JADA, Vol. 92, May 1976
CARBOXYLATE CEMENTS ACCEPTABLE D u r e lo n , Prem ier D en tal Products Co. COMPOSITE RESTORATIVE MATERIALS PROVISIONALLY ACCEPTABLE A d a p t ic R a d io p a q u e , Johnson & Johnson D ental Products
C o. PIT AND FISSURE SEALANTS PROVISIONALLY ACCEPTABLE C o n c is e E n a m e l B o n d , M innesota Mining & M anufacturing
Co. K e r r P it an d F is s u r e S e a la n t, K err Mfg. Co.