Question: is tooth polishing necessary at the end of a dental visit?

问：洗牙后抛光牙齿是否有必要？

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Tooth profile deviation; Effective length; Initial point; End point;

齿廓偏差；有效长度； 起测点；终测点；

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Tooth profile deviation; Effective length; Initial point; End point;

齿廓偏差；有效长度； 起测点；终测点；

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