In its latest position paper, the American dental Hygienists' Association advises that polishing should not be considered a routine part of a dental cleaning.
美国牙医协会在其最新的意见书中指出抛光无需被视作洗牙的必要步骤。
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Patients who remained concerned about enamel damage but want polishing can request the dental hygienist use a finer-grained paste.
想要洗牙的患者如果担心牙釉质的损坏，可以要求牙医使用颗粒更精细的抛光膏。
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Question: is tooth polishing necessary at the end of a dental visit?