Gerlach, R W <br/><br/>
Removal of extrinsic stain using a tartar control whitening dentifrice: a randomized clinical trial.  [electronic resource] 

 -  The Journal of clinical dentistry  2001 
 - 42-6 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0895-8831 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Analysis of Variance<br/>Anti-Infective Agents, Local--adverse effects<br/>Cariostatic Agents--chemistry<br/>Chlorhexidine--adverse effects<br/>Dental Calculus--prevention & control<br/>Dentifrices--chemistry<br/>Diphosphates--chemistry<br/>Double-Blind Method<br/>Female<br/>Follow-Up Studies<br/>Gingiva--pathology<br/>Humans<br/>Male<br/>Safety<br/>Silicon Dioxide--chemistry<br/>Smoking--adverse effects<br/>Sodium Fluoride--chemistry<br/>Tea--adverse effects<br/>Tooth--pathology<br/>Tooth Bleaching<br/>Tooth Discoloration--chemically induced<br/>Toothbrushing