Rinsing thoroughly after brushing is common practice, but can actually reduce the benefit of brushing your teeth. The truth is, toothpaste contains fluoride, an essential ingredient that helps make enamel harder and more resistant. And we wash it quickly and do not let it act smoothly on the teeth.
Dr. Hewlett recommends waiting at least 15 minutes after brushing before drinking liquids. The saliva will naturally wash away the toothpaste.
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