Read Edit View history 牙龈炎 yáyínyán gingivitis Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 牙龈炎/ 牙齦炎 yáyínyán gingivitis 如果刷牙不彻底，很容易引起牙龈炎。 Edit Delete References Add reference No references for this word.