Prof. Tobak writes - clean teeth usually 30-40 seconds, when the maximum effect for the prevention and strengthen the teeth can be achieved by clearing them of not less than 3-5 minutes. The Japanese have a good, healthy teeth, and rarely use a toothbrush. They prefer to brush your teeth with your index finger, applying to it a little bit of toothpaste. This method cleans beautifully and strengthens teeth and massages gums at the same time. I am of all the ways I chose her, which consists of a combination thereof.
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