But we have to pay the price: all the stuff that is used to allow fast food cooking is not good for our health.

但是我们也要付出代价：快餐里的东西对健康都没什么好处。

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From the longitudinal observations: For periodontal healthy patients, pathogens grow fast from 1st month to 3rd month. So we should pay attention to the cleaning of the implants at this time.

纵向观察得出：对于牙周正常的种植患者，1月到3月种植体周的致病菌增长最快，此时应重视种植体的清洁。

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