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How Often Should You Replace Your Toothbrush?

July 6, 2021

Filed under: Uncategorized — mysaginaw @ 6:52 pm
colorful row of toothbrushes

Do you remember the last time you replaced your toothbrush? If not, it’s probably time to do so. Regularly changing it out is an essential but often overlooked practice that can affect your oral health. Read on to learn how often you should change out your toothbrush and what can happen if you don’t replace it as recommended.

How Often Should You Replace Your Toothbrush?

According to manufacturer guidelines and dentist recommendations, you should be replacing your toothbrush every 12 to 16 weeks. Following this rule is essential to get the most out of your brushing sessions. Straight soft bristles and an easy-to-grip handle are best to navigate the smaller spaces in your mouth, eliminating bacteria that cause gum disease, decay, and bad breath. Ideally, you should be brushing your teeth for 2 minutes twice per day, between each meal, and after a sugary snack. At this rate, the CDC recommends replacing it as soon as the bristles fall out, appear splayed, or become worn out (typically 3 to 4 months). And if you or a household member has been ill, it’s best to get a new toothbrush after recovering to prevent getting sick again.

What Happens If You Don’t Replace It Regularly?

Each time you brush your teeth, the bristles are exposed to water and toothpaste chemicals, making them a little weaker after each use. Over time, the bristles also start to warp into a new shape and become frayed. Studies show that after 40 days of consistent use, worn-out bristles can make your toothbrush lose cleaning capability. Those who didn’t change out their toothbrush after 40 days experienced significantly more plaque buildup. Additionally, two earlier studies confirmed that since old toothbrushes cannot remove plaque as effectively, it increases your risk of gum disease and decay.

Tips for Taking Care of Your Toothbrush

Taking care of your toothbrush is crucial to get the most out of your oral hygiene routine. Here are a few tips for maintaining it:

  • Don’t share your toothbrush with anyone else
  • Try not to let other people’s toothbrushes touch yours if they’re stored together
  • Rinse your toothbrush with warm water after brushing
  • Avoid using a closed container to keep your toothbrush clean, as it can encourage mold growth or spread bacteria

While shopping for a toothbrush, make sure you choose one that’s soft-bristled and has the American Dental Association (ADA) seal of approval. By changing it out every three to four months, you can maintain a happy and healthy smile that lasts for life!

About the Author

Dr. Rupeshwar Renkuntla brings over two full decades of experience to Saginaw Dental. He is a proud member of the American Dental Association and Texas Dental Association. Dr. Renkuntla has the knowledge and expertise you can trust to help you make the best decisions for your smile. To learn more about replacing your toothbrush, visit our website or call (817) 989-2832.

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