noun
attrition; occlusal wear
Dental term for tooth wear caused by tooth-to-tooth contact, such as from grinding or normal aging.
咬耗が進むと、歯が短くなることがあります。
As attrition progresses, teeth may become shorter.
歯ぎしりは咬耗の原因の一つです。
Teeth grinding is one cause of occlusal wear.