Summary:
- Dental experts recommend replacing your toothbrush every 3-4 months, or sooner if the bristles become frayed or worn.
- Using an old, worn-out toothbrush can be less effective at cleaning your teeth and gums, and may even harbor harmful bacteria.
- Regularly replacing your toothbrush is an important part of maintaining good oral hygiene and preventing dental problems like cavities and gum disease.