| 摘要 |
<p>The present invention provides a dental paste,a dental article,methods of making and using the dental paste,and compositions prepared therefrom.In one embodiment,the dental paste includes(a)a filler including porous,non−pyrogenic silica having a silane treated surface and being substantially free of heavy metals and(b)a filler including non−aggregated primary silica particles,with the fillers being dispersed in a hardenable resin.</p> |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
WU, DONG;KOLB, BRANT, U.;MITRA, SUMITA, B.;CRAIG, BRADLEY, D.;HOLMES, BRIAN, N.;RUSIN, RICHARD, P.;WINDISCH, MARK, S. |
