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。
A novel polishing technique based on the two-dimension vibration of fluid is put forward to obtain ultra-smooth surface without damage.
本文阐述了一种基于流体二维振动的原子级无损伤超光滑表面加工技术。
The thermal or mechanical damage to diamond occurs possibly during the various stages of cutting and polishing.
金刚石在切磨过程中可能会出现机械损伤和热化学损伤。
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