William H. Moser,Guy D. Joly,Larry R. Krepski,Babu N. Gaddam,Ahmed S. Abuelyaman,Bradley D. Craig,Timothy D. Dunbar,Chuntao Cao,Joel D. Oxman,Afshin Falsafi,Hoa T. Bui
申请号：
US14707096
公开号：
US20150238389A1
申请日:
2015.05.08
申请国别(地区):
US
年份:
2015
代理人:
摘要：
Dental compositions are described comprising an addition-fragmentation agent of the formula:whereinR1, R2 and R3 are each independently Zm-Q-, a (hetero)alkyl group or a (hetero)aryl group with the proviso that at least one of R1, R2 and R3 is Zm-Q-；Q is a linking group have a valence of m+1；Z is an ethylenically unsaturated polymerizable group；m is 1 to 6；each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl； andn is 0 or 1.Also described are dental articles prepared from a dental composition comprising an addition-fragmentation agent and methods of treating a tooth surface.
