发明授权
US3923740A Compositions for use in prosthodontia 失效
用于修复假体的组合物

Compositions for use in prosthodontia
摘要:
Superior dental fillings, tooth replacement parts, bridges and repair parts, which exhibit high abrasion resistance, stability to moisture and which do not undergo volume changes, are obtained by polymerization of a compound of formula

IN WHICH R is H or -CH3, X is an alkylidene or the -SO2- group, Y is an oxyalkylene group having between 2 and 5 carbon atoms, or an alkylidene group having between 1 and 5 carbon atoms. In some instances, the polymerization is carried out in the presence of a filler.
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