Morris, D O <br/><br/>
A prospective evaluation of Bass, Bionator and Twin Block appliances. Part II--The soft tissues.  [electronic resource] 

 -  European journal of orthodontics  Dec 1998 
 - 663-84 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0141-5387 
<br/><br/><label>Standard No.: </label>10.1093/ejo/20.6.663  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Activator Appliances<br/>Analysis of Variance<br/>Cephalometry--methods<br/>Child<br/>Evaluation Studies as Topic<br/>Face<br/>Facial Bones--anatomy & histology<br/>Female<br/>Humans<br/>Image Processing, Computer-Assisted--methods<br/>Lasers<br/>Lip--anatomy & histology<br/>Male<br/>Malocclusion--therapy<br/>Mandible--anatomy & histology<br/>Orthodontic Appliances, Functional<br/>Prospective Studies<br/>Reproducibility of Results<br/>Sensitivity and Specificity<br/>Vertical Dimension