0.5. [br][/br]Indicate the proper definition of dental erosion:
选项:
A:loss of dental hard tissues as a result of chemical processes.
B:gradual loss of hard tissues caused by natural chewing.
C:pathological tooth wear caused by aging.
D:tooth wear caused by physical external factors.
E:loss of dental hard tissues as a result of chemical processes not involving bacteria.
发布时间:2024-06-16 13:07:18