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1、龋齿俗称蛀牙，是口腔科最常见的疾病。主要是指在多种因素，主要是细菌的影响下，牙齿硬组织的一种慢性进行性破坏疾病，主要表现为牙齿变黑，形成牙洞，从而影响咀嚼功能和美观。
2、牙齿的硬组织被细菌腐蚀。刚开始主要是牙齿上有黑点。慢慢加深就会出来一个洞，叫空洞。随着牙洞的增多加深，会出现食物嵌塞、酸胀等症状。有些牙洞是隐藏的，随着扩张，牙齿边缘变薄。
3、咬到异物后会裂开造成大的缺损，这个时候才会被发现。龋齿如果不及时治疗，继续发展，蛀牙会累及牙髓，导致牙髓发炎，疼痛剧烈。因此，早期检查是预防龋齿的有效方法。
本文到此结束，希望对你有所帮助。
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