Clinical Research Detail Title Of Study A clinical investigation of the extrinsic stain removal efficacy of Colgate total advanced fresh tooth paste as compared to crest regular tooth paste. Disease Condition Subjects with extrinsic stains on teeth. Phase of Trial Phase-3 Discipline Dental Start date of Trial 11/4/2007 Closing Date of Trial 2/4/2008 If you are a doctor interested in clinical research then upload your profile. Click here If you are a hospital interested in clinical research then upload your profile. Click here If you are a patient interested to know more about this clinical trial mail us at:   [email protected]