Document Classification

Section Type: METHODS

Text: Subjects entered one of the three regimens : (1) toothpaste containing 8 % arginine and 1450 ppm mono-fluorophosphate, in a calcium carbonate base, a soft-bristle toothbrush followed by a mouthwash containing 0. 8 % arginine, PVM/MA copolymer, pyrophosphates, and 0. 05 % sodium fluoride ; (2) toothpaste containing 5 % potassium nitrate and 1450 ppm sodium fluoride, a soft-bristle toothbrush, followed by a mouthwash containing 0. 51 % potassium chloride and 230 ppm sodium fluoride ; and (3) toothpaste containing 1450 ppm mono-fluorophosphate, a soft-bristle toothbrush followed by a fluoride/arginine free mouthwash.