酸蚀
由于非细菌源性酸的化学溶解而导致的牙齿结构损失
(重定向自酸蝕)
酸蚀是一种牙齿磨损现象,指的是酸(非细菌带来)溶解牙齿后牙齿出现磨损状况,牙齿磨损情况不可逆转。[1]牙齿糜烂是5-17岁儿童最常见的慢性疾病[2]。饮用果汁是造成牙齿酸蚀的原因之一[3]。酸蚀的过程先从牙釉质开始,牙釉质变薄后,腐蚀过程蔓延至牙本质,此时牙齿呈现暗黄色,并引发牙本质过敏[4]。
酸蚀 | |
---|---|
神经性暴食症患者的下牙磨损严重 | |
分类和外部资源 | |
医学专科 | 牙医学 |
ICD-9-CM | 521.3 |
引起牙齿腐蚀最常见原因是饮用酸性食物和饮料(例如果汁[5])。一般来说,PH值低于5.0-5.7的食物和饮料都会引发牙齿腐蚀。[6]许多临床和实验室报告都将牙齿糜烂与饮用过多的饮料联系起来。一些酒精和水果饮料、橙汁等含有柠檬酸的果汁和可乐等软性饮料(其中柠檬酸和磷酸是导致腐蚀的原因,碳酸则不是)被认为是引发牙齿酸蚀的因素之一。[7] 此外,葡萄酒已被证明可以腐蚀牙齿,因为葡萄酒的pH值会低至3.0-3.8。[6]氯化过的游泳池的水[8]和胃酸反流等也会侵蚀牙齿。[9] 在患有慢性疾病的儿童中,他们服用含有酸性成分的药物也是引发牙齿腐蚀的原因之一。[10]人们在化石中也发现有动物出现牙齿腐蚀的现象,很可能是由它们食用的酸性水果或植物所造成。[1]
参考来源
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