有龋齿牙有多少颗？

来自乔永明医生的专业解答，快打开看看是否又获得了新的知识点～

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好在医生

病情分析：患者有龋齿建议要尽快就诊，注意好口腔的卫生情况，正常恒牙28到32颗，正常乳牙20颗。乳牙4到6个月开始萌出，大约两到三岁左右出齐，上下左右各五颗。要避免食用含糖量过高的食物，避免劳累。

乔永明

副主任医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：我一直牙齿就不是很好，经常会长龋齿，有时候会牙痛，请问有龋齿牙有多少颗？