Read Edit View history 齿龈炎 chǐyínyán gingivitis Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 齿龈炎/齒齦炎 · chǐyínyán · gingivitis 2026/03/04 齿龈炎 / 齒齦炎 chǐyínyán gingivitis gingivitis 定期刷牙可以预防齿龈炎。 noun created sense Mar 4, 2026, 02:25 AM