牙齿 Traditional form: 牙齒 Pinyin (reading): yáchǐ Definitions: tooth dental CL:顆/颗 (kē) Characters: 牙 - tooth, molar; fang, tusk; serrated 齿 - teeth; gears, cogs; age Traditional characters: 牙 - tooth, molar; fang, tusk; serrated 齒 - teeth; gears, cogs; age