牙宣
牙宣是指以龈肉萎缩,牙根宣露,牙齿松动,经常渗血或渗脓为特征的疾病。牙宣是口齿科的常见病、多发病,早其多无明显症状,易被忽视,钽苦不及进治疗,日久牙齿失去气血濡养,以致动摇、脱落,咀嚼机能丧失。本病与西医的牙周病相类似。
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