气虚齿动证(syndrome/pattern of tooth looseness due to qi deficiency),属齿证类,因秉质气虚,或年老气虚,齿龈失于濡养所致。临床以牙齿松动、虚浮,咀嚼乏力,或龈肉萎缩,牙根宣露,舌质淡,脉弱,伴见气短、懒言、少食等为特征的证候。[1]