Gingival recession in relation to history of hard toothbrush use.

Gingival recession studies in the U.S. have related primarily to sex and age with little consideration of toothbrush hardness.

Effect upon plaque formation and gingivitis of a triclosan/copolymer/fluoride dentifrice: a 6-month clinical study.

A total of 159 adult male and female subjects between 18 and 63 years of age, were entered into a 6-month, double-blind clinical study to assess the effects of a dentifrice containing 0.3% triclosan and 2% of a copolymer of methoxyethylene and maleic acid on supragingival plaque formation and gingivitis, as compared to a placebo dentifrice. Both the triclosan and placebo dentifrices contained 0.