牙结石是附着于牙齿表面钙化的物质，不但影响美观，还会引起口腔疾病#口腔科普 #牙结石@烟台壹颗芽口腔
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牙结石是附着于牙齿表面钙化的物质，不但影响美观，还会引起口腔疾病#口腔科普 #牙结石@烟台壹颗芽口腔
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