One should squeeze toothpaste on a dry toothbrush, rather than a wet one so that the cleaning ingredients of the toothpaste can be fully used, said Japanese dentists.

 
  • 日本牙醫學(xué)界最近提出,刷牙前要把牙膏擠在干燥牙刷上。牙刷不蘸水,擠上牙膏慢慢刷,漸漸出些細微的泡沫,牙膏的清潔成分才能被發(fā)揮到最大。
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