A dental article includes an external layer formed of a self-supporting hardenable preformed material having a dental article shape defined by an external layer surface. The external layer defines an interior volume. An interior material is disposed within the interior volume. The interior material is different than the external hardenable preformed material and the interior material has a yield stress value of 100 dyn/cm2 or greater.
申请公布号
WO2008033893(A1)
申请公布日期
2008.03.20
申请号
WO2007US78235
申请日期
2007.09.12
申请人
3M INNOVATIVE PROPERTIES COMPANY;JONES, TODD D.;KARIM, NAIMUL;JACOBS, DWIGHT W.
