MANUAL OR ELECTRIC TOOTHBRUSH?
普通牙刷还是电动牙刷?
Answer: Electric
A Review of studies from the past four decades found electric toothbrushes were more effective than manualalternatives in reducing plaqueand gingivitis.
一项调查显示电动牙刷在减少齿菌斑和齿龈炎上更有效。
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MANUAL OR ELECTRIC TOOTHBRUSH?
普通牙刷还是电动牙刷?
Answer: Electric
A Review of studies from the past four decades found electric toothbrushes were more effective than manualalternatives in reducing plaqueand gingivitis.
一项调查显示电动牙刷在减少齿菌斑和齿龈炎上更有效。