George W. Littrell, Jr. (Densco Div William Getz Dent Products, Denver, Colorado ). US Patent 3, 625, 231. (Int. CI. B 08 b 9/00), Dec 7, 1971, Appl. July 30, 1970; 5 pp. An apparatus for cleaning and conditioning air-driven dental handpieces has a valve body which supports a reservoir ... body through the dental handpiece, for removing foreign material from the internal parts and conditioning these parts.
|Title||:||Oral Research Abstracts|