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