Supplement to the List of Certified Dental Materials

Supplem ent to the List of Certified Dental M aterials

Council on Dental Materials and Devices

Since publication o f the m ost recent List o f C erti­ fied D ental M aterials revised to Jan 1, 1972, and published in th e January 1972 issue o f t h e j o u r ­ n a l (JA D A 8 4 :1 6 3 ), the follow ing changes have been m ade in th e List.

N a m e change— R ecen tly th e C oun cil on D ental M aterials and D ev ices w as n o tified o f a change in the nam e o f a m anufacturer listed under A m eri­ can D ental A ssociation Specification N o. 6 for D ental Mercury.

A ddition— T h e follow ing m aterials conform to A m erican D ental A ssociation Specification N o. 18 for A lgin ate Im pression M aterial and are being added to th e List as new certifications.

CERTIFIED DENTAL MERCURIES ADA S pecification No. 6

Triple Distilled Dental Mercury Continental Metals, Inc.

CERTIFIED ALGINATE IMPRESSION MATERIALS

Should be changed to

ADA S pecification No. 18

Triple Distilled Dental Mercury Aztec Mercury Co.

TYPE I, FAST SETTING

Palginex ‘75’ International Dental Products, Inc. TYPE II, NORMAL SETTING

Hydro-Jel Professional Products Co.

D eletion— R ecen tly th e C oun cil on D en tal M a ­ terials and D ev ices was n otified by the follow ing m anufacturer that they h ave discontinued the m anufacture o f the follow ing pow ered tooth ­ brush. PROVISIONALLY ACCEPTABLE

Water Pik Automatic Teledyne Aqua Tec

646 ■ JADA, Vol. 84, March 1972