Time to buy a new toothbrush?

Invest in a new toothbrush or a replacement head for your electric or battery-operated toothbrush every three to four months. Change it sooner if the bristles flay or become irregular.

Last Updated Jun 6, 2019


Content from Mayo Clinic ©1998-2019 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. Terms of Use