The specimens made from Bayer tooth, thermosetting plastic, copper basealloy, titanium and its alloy have relatively good wear resistance as well and are thus idea prosthetic materials.
拜尔牙、热固塑料、铜基合金、钛及钛合金是较为理想的牙科修复材料 ；
2
Objective: To compare the difference of bacteriology between titaniumalloybase and methyl methacrylate base.