The problem of develpoment of microbial corrosion on dental alloy in the oral environment lies in the primary condition that the bacteria adhere to the surface of alloy and form a relatively independent environment that promotes corrosion.

• 牙科合金在口腔环境中发生细菌腐蚀的首要条件是细菌在合金表面的附着 ,形成一个相对独立的促腐蚀环境。