ConclusionTP can control dental plaque effectively.

结论茶多酚能有效控制菌斑。

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PURPOSE: to evaluate the efficacy of using sonic electric toothbrush to clean the teeth and control dental plaque in children.

目的：观察儿童使用声波震动牙刷清洁牙及控制菌斑的效果。

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These findings indicated that continuously using fluoride-coated dental floss could reduce the quantity of plaque, S% and effectively control gingival inflammation.

使用含氟牙线不但能有效地控制牙齿邻面菌斑，减轻牙龈炎症，而且能明显抑制牙周致病菌。

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