You should replace your toothbrush every 3 to 4 months, or sooner if the bristles are frayed. A worn toothbrush will not do a good job of cleaning your teeth.
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Medical Review
Lilac Dental Clinical Team
This article was medically reviewed to ensure the highest standard of accuracy. At Lilac Dental, we are committed to providing evidence-based information for our Austin patients. Last Updated: 11/1/2025
