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Know Your Teeth - Infobites - How Do I Choose and Use a Toothbrush? -- Search By Keyword, Letter or Phrase - 1-877-2X-A-YEAR (1-877-292-9327)
Dental care and oral health information you need
from the Academy of General Dentistry

Tuesday, October 25, 2016
Know Your Teeth Academy of General Dentistry Know Your Teeth


Quick Reference

Men's Oral Health

Is Kissing Dangerous to Your Health?


With just one kiss couples can share more than 500 different types of disease-causing germs and viruses.

Learn what those dental words mean.

Check out how your teeth and mouth change in every stage of life.



Get dental news feeds delivered directly to your desktop! more...

How Do I Choose and Use a Toothbrush?

Chapter: When to Change a Toothbrush

Be sure to change your toothbrush, or toothbrush head (if you're using an electric toothbrush) before the bristles become splayed and frayed. Not only are old toothbrushes ineffective, but they may harbor harmful bacteria that can cause infections such as gingivitis and periodontitis. Toothbrushes should be changed every three to four months. Sick people should change their toothbrush at the beginning of an illness and after they feel better.

Reviewed: January 2012