A 41-year-old member asked:
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how often should you get a new toothbrush?

2 doctor answers
Dr. Elton Behner
36 years experience Dentistry
I recommend...: at least every three months and sooner if the bristles are starting to fray out. Use only a soft or extra soft brush to avoid damaging the gums and promoting gum recession.
Answered on Mar 20, 2015
Dr. Gary Sandler
53 years experience Dentistry
New tooothbrushes: Replace your toothbrush every 3-6 months depending upon wear and also after colds, flu, etc.
Answered on Jun 4, 2016

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Yes: It's true.
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