With these spectral methods, the chemical composition and the structure of the polishing paste for plastics were identified.
通过上述光谱法确定了该塑料抛光膏的化学组成和结构。
After ultrasonic scaling, the teeth should be polished using to improve the clearness surfaces, polishing paste is the best tool on root surfaces.
经过超声波洁治及刮治后应该对牙齿表面进行抛光可提高其光洁度,牙根面以抛光膏的抛光效果最好。
Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.
分别采用硅胶柱色谱法和溶剂抽提,分离优质塑料抛光膏中的油脂和磨料部分。
Polishing with a gritty paste can remove stains on a tooth's surface.
用含有颗粒的抛光膏进行抛光能够清除牙齿表面污垢。
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。
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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