齲齒預(yù)防
預(yù)防醫(yī)學(xué)

        齲齒是牙齒經(jīng)常受到口腔內(nèi)酸的侵襲,使牙釉質(zhì)受到腐蝕,變軟變色,逐漸發(fā)展為實(shí)質(zhì)缺損而形成齲洞。齲洞不會(huì)自愈,如不予修補(bǔ)會(huì)繼續(xù)腐蝕到牙本質(zhì)、牙髓,只留下殘根。齲齒不僅使兒童感到疼痛而影響食欲、咀嚼、消化、吸收和生長    （共 4706 字）     [閱讀本文] >>