Read Edit View history 龈炎 yínyán gingivitis Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 龈炎/齦炎 · yínyán · gingivitis 2026/03/04 龈炎 / 齦炎 yínyán gingivitis gingivitis 良好的口腔卫生可以预防龈炎。 created sense Mar 4, 2026, 02:25 AM