| 摘要 |
An oral compsn. for dental prophylaxis comprises at least one polyphosphate (I) and a polyvalent cation (II) pref. in aqs. soln. Pref. (I) contains 2-20 phosphate gps. and (II) is a gp. ILA metal cation. A specifically claimed compsn. comprises 2 wt. % MgCl2. |
