Because it is gentle on your gum tissue. If the bristles of your toothbrush are worn or melted leaning against plastic bags within two or three months You will have to brush your teeth too hard. Your toothbrush should last 3 to 4 months. Avoid scraping your gums when you floss. flossing daily It is an important part of dental hygiene. This will remove food and plaque from areas that the toothbrush can"t reach.

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