牙釉质腐蚀
牙齿酸蚀
牙楔状缺损
But despite the incidence of tooth decay and erosion, the majority of youngsters do seem to be aware of the importance of dental hygiene - two thirds of them brush their teeth twice a day.
BBC: Dentist
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。