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牙齿黄了怎样变白？医生推荐这三个方法
洁牙主要有三种方法，超声波洁治：用超声波龈上洁治器达到洁牙的目的，把电能转化为高频震动，去除菌斑色素和结石；手工龈上洁治：用特殊的手工洁治器械，通过手工操作去除牙面上的色素、菌斑、牙石；喷砂洁治：用喷砂机将喷粉喷到牙面上，达到去除牙面上的色素和菌斑的目的；对于牙石、色素特别多的患
医生科普牙齿口腔那些事儿96/241
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