Methods for reducing calculus are disclosed utilizing oral compositions containing stannous ions complexed with certain carboxylic acids or polyhydric alcohols.
申请公布号
US4902497(A)
申请公布日期
1990.02.20
申请号
US19880162524
申请日期
1988.03.01
申请人
THE PROCTER & GAMBLE COMPANY
发明人
CRISANTI, MARK M.;LANZALACO, ANTHONY C.;SUNBERG, RICHARD J.
