The Prevention of periodontal disease: 

 - London,  Kimpton,  1971 
 - xii, 244 p.  illus. 
<br/><br/><label>ISBN: </label>0853137617 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodontal disease<br/>Periodontal diseases<br/>Periodontics
<br/><br/><label>LC Class. No.: </label>RK61  / .P74