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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This paper also tried to do some experiments of combined ultrasonic electrochemical polishing.
同时本文还对超声波—脉冲电流电化学复合抛光进行了试验探索。
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In this paper, elasticity polishes material using polyurethane for polishing arbitrarily curred surface is presented.