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 3/20/2015
3.1k views
New tooothbrushes: Replace your toothbrush every 3-6 months depending upon wear and also after colds, flu, etc.
Answered 6/4/2016
3.1k views
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