Every time sugar enters the mouth, the bacteria are able to produce more acid, and this destruction in the subsurface continues until the surface gets so thin that it collapses - like walking on thin ice.

每次有糖进入口腔，细菌就会产生更多的酸，牙齿表面下的破坏就会继续，直到表层过薄陷落，就像走在薄冰上一样。