A dental filler is disclosed. The filler is produced by admixing a metal oxide sol and a water-soluble organic binder; drying said mixed sol into a dried product; and calcining said dried product; wherein said filler is a substantially amorphous cluster. The filler can be mixed into a hardenable resin to provide radiopaque dental materials having desirable strength and aesthetic character.
申请公布号
WO2008083275(A3)
申请公布日期
2008.12.31
申请号
WO2007US89045
申请日期
2007.12.28
申请人
3M INNOVATIVE PROPERTIES COMPANY;CRAIG, BRADLEY D.;KOBUSSEN, GREGORY A.