要(yao)選擇牙(ya)(ya)(ya)膏(gao)首先要(yao)知道(dao)牙(ya)(ya)(ya)膏(gao)并不是健康牙(ya)(ya)(ya)齒的(de)(de)法寶，它只是刷牙(ya)(ya)(ya)的(de)(de)輔(fu)助用(yong)(yong)(yong)(yong)品(pin)，具有(you)磨(mo)擦作(zuo)用(yong)(yong)(yong)(yong)和去除菌斑(ban)，清潔拋(pao)光牙(ya)(ya)(ya)面，使(shi)口腔清爽的(de)(de)作(zuo)用(yong)(yong)(yong)(yong)。中國使(shi)用(yong)(yong)(yong)(yong)的(de)(de)牙(ya)(ya)(ya)膏(gao)分(fen)為(wei)普通(tong)牙(ya)(ya)(ya)膏(gao)，氟(fu)化物(wu)牙(ya)(ya)(ya)膏(gao)和藥物(wu)牙(ya)(ya)(ya)膏(gao)三大類。普通(tong)牙(ya)(ya)(ya)膏(gao)的(de)(de)主要(yao)成份包括(kuo)磨(mo)擦劑(ji)、潔凈(jing)劑(ji)、潤濕劑(ji)、防腐(fu)劑(ji)、芳(fang)香劑(ji)，具有(you)一般牙(ya)(ya)(ya)膏(gao)共有(you)的(de)(de)作(zuo)用(yong)(yong)(yong)(yong)...進入牙膏牙刷知識講堂>>