Kratschmar, A <br/><br/>
An ergonomic patient instruction system for orthodontic appliances.  [electronic resource] 

 -  Quintessence international, dental digest  May 1975 
 - 45-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child<br/>Humans<br/>Orthodontic Appliances<br/>Patient Compliance