Time like hardly using up dentifrice,as long as you crush it ,it must have a little!
时间就像快用完的牙膏,只要你去挤,总还有一点。
Time like hardly using up dentifrice,as long as you crush it ,it must have a little!
时间就像快用完的牙膏,只要你去挤,总还有一点。
To estimate the clinical effect of the dentifrice with xylitol in control of plaque.
评价木糖醇牙膏在抑制菌斑生成的临床效果。
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