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Afro-American woman brushing teeth in front of the bathroom mirror.

You rely on your toothbrush twice a day to clean your teeth. However, if you’ve neglected to replace your toothbrush when it needed, your oral hygiene efforts may be falling short. In some cases, a neglected toothbrush could be doing more harm than good. Regardless of the type of toothbrush you use or the stage of life you are in, it is important to recognize when your toothbrush has reached the end of its lifespan.

Here are 5 signs that you need to purchase a new toothbrush and throw your old one away:

#1 Your Toothbrush Has Frayed Bristles
If the head of your manual or electric toothbrush has bristles that are frayed, bent or broken, it is time to get a replacement. You can’t rely on a worn-out toothbrush to clean your teeth and gums properly. If you are brushing too hard these frayed bristles may happen sooner than the three-month mark.
#2 Your Teeth Don’t Feel Clean After Brushing
If you are confident in your brushing technique but fail to get that smooth and fresh feeling across your pearly whites after you use your toothbrush for two minutes, you may need to buy a new one. The removal of plaque, bacteria and food debris requires a well-functioning toothbrush.
#3 You’ve Been Sick
Most of our germs live in our mouths. If you have recently had a virus or other sickness, those germs likely migrated onto your toothbrush. To avoid re-infecting yourself every time you brush, we recommend replacing your toothbrush to stay healthy.
#4 Your Brush has a Foul Odor
It can generally be said that if something smells bad, it probably shouldn’t go in your mouth. A stinky toothbrush could be an indication of mold or bacterial growth. Treat yourself to a new one!
#5 You Can’t Remember When You Last Replaced It
A dentist will suggest replacing your toothbrush every 2-3 months, or when the seasons change (if that helps you remember). If you can’t recall when you last bought a toothbrush, it is probably time to part ways with your beloved oral hygiene tool.

At Peninsula Cosmetic & Family Dentistry, we help patients appreciate the role their toothbrush has towards their dental health and overall well-being. Are you giving it the TLC it needs to do its job? Call our Charleston dental clinic today to learn more about easy ways to maximize your dental hygiene routine at home.

Posted on behalf of Peninsula Cosmetic & Family Dentistry

538 Savannah Hwy
Charleston, SC 29407

Phone: (843) 507-5481
FAX: (843) 577-4653

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Meet Our Doctors

Dr. James B. Wisner

Dr. James B. Wisner was raised in Charleston and attended Porter-Gaud High School. He graduated from The Honors College at The University of South Carolina in 1996 and received his D.M.D. degree in 2002 from the Medical University of South Carolina’s College of Dental Medicine. Dr. Wisner served in Las Vegas, Nevada and Spangdahlem, Germany…

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Dr. Caitlin McPherson

Dr. Caitlin McPherson was born and raised in Charleston, South Carolina. A graduate of Porter Gaud High School, she went on to receive her Bachelors of Science from Clemson University’s Calhoun Honors College. Dr. McPherson earned her Doctorate of Dental Medicine from the Medical University of South Carolina’s College of Dental Medicine. She is an…

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Dr. Luke E. Severance

Dr. Luke E. Severance

Dr. Luke E. Severance believes dentistry goes far beyond just treating teeth – it’s about building lasting relationships and making a genuine difference in the lives of his patients. Dr. Severance was raised in Florence, South Carolina and graduated with summa cum laude from the University of South Carolina. He went on to receive his…

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Now, patients who are uninsured can STILL save on general, preventative, and even ortho services!


538 Savannah Hwy
Charleston, SC 29407

Phone: (843) 507-5481
FAX: (843) 577-4653

Opening Hours

Monday - Thursday 8am - 5pm
Lunch break: 1pm - 2pm

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