虫牙 Traditional form: 蟲牙 Pinyin (reading): chóngyá Definitions: tooth decay; dental caries decayed tooth; rotten tooth Characters: 虫 - insect, worm; mollusk 牙 - tooth, molar; fang, tusk; serrated Traditional characters: 蟲 - insect, worm; mollusk 牙 - tooth, molar; fang, tusk; serrated