齿衄·阴虚火旺证(gum bleeding with syndrome of exuberant fire due to yin deficiency)是指以阴精亏损,虚火上炎,以齿衄,血色淡红,起病较缓,常因受热及烦劳而诱发,齿摇不坚,舌红,苔少,脉细数等为常见症的齿衄证候。