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做窝沟封闭的目的是预防虫牙 有龋齿了还能继续做吗？
有龋齿就不能做窝沟封闭，因为窝沟封闭的目的是把牙齿的窝沟封住，使牙齿表面变得平整，容易清洁，如果已经有龋齿，还做窝沟封闭的话，细菌还是会存在在窝沟剂的下面，达不到预防虫牙的目的
医生科普牙齿口腔那些事儿202/241
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