龋齿

Traditional form:

齲齒

Pinyin (reading):

qǔchǐ

Definitions:

• tooth decay; dental caries
• decayed tooth; rotten tooth

Characters:

• 龋 - tooth decay
• 齿 - teeth; gears, cogs; age

Traditional characters:

• 齲 - tooth decay
• 齒 - teeth; gears, cogs; age