Christensen, G J <br/><br/>
Changes in dental practice.  [electronic resource] 

 -  Practical periodontics and aesthetic dentistry : PPAD   
 - 52 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>1042-2722 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dentistry--trends<br/>Education, Dental