Jill S. Gehrig. <br/><br/>
Foundations of periodontics for the dental hygienist / 
Jill S. Gehrig 
 - [Place of publication not identifed] :  [publisher not identified],  c2016 
<br/><br/> Foundations of periodontics for the dental hygienist, Foundations 
<br/><br/><label>ISBN: </label>9781451194159 
<br/><br/><label>LC Class. No.: </label>RK 361 .G44 2016