Current concepts in dental hygiene 
edited by Suzanne Styers Boundy, Nancy J. Reynolds. 
 - [Place of publication not identifed] :  [publisher not identified],  c1977 
<br/><br/><label>ISBN: </label>801607353 
<br/><br/><label>LC Class. No.: </label>RK 60.5 .C84 1977