Subjects were randomly assigned to one of three treatments : triclosan/copolymer/fluoride dentifrice containing 0.3 % triclosan , 2.0 % copolymer and 1,450 ppm F as sodium fluoride in a silica base ; herbal/bicarbonate dentifrice containing herbal extract and 1,400 ppm F as sodium fluoride in a sodium bicarbonate base ; or fluoride dentifrice containing 450 ppm F as sodium fluoride , and 1,000 ppm F as sodium monofluorophosphate .