How often should you change your toothbrush? Is it okay to use the same toothbrush for years?

According to the Centers for Disease Control and Prevention, you must change your toothbrush every three to four months. However, if the bristles appear worn out, it’s best to change them sooner. 

Many things may come to your mind, and you may wonder, “how often are you supposed to change your toothbrush?” But, on the other hand, you could use your toothbrush for years. If that’s the case, it’s time to buy a new one! 

Read on for more information. 

Photo by ricardo rojas 

How Often Do You Change Toothbrush? 

Now that you know that it’s best to change your toothbrush every three to four months, the question here is, how often do you change your toothbrush? 

If you are among those people who neglect oral health, then it’s time to get serious. If you are not taking care of your oral health, ask your dentist to guide you in the right direction. 

You must brush your teeth twice a day for two minutes. If you consume sugary foods, you may want to brush even more. However, when you are using your toothbrush frequently, it’s subject to wear and tear. Keep an eye on the nylon bristles and replace the toothbrush if the bristles appear out of shape. 

On the other hand, if you replace the toothbrush every twelve to sixteen weeks, you are on the right track. 

How to Know When It’s Time to Replace Toothbrush? 

It’s best to remember when you start using the toothbrush—Mark on your calendar when you open a new set. 

It’s best to visit your dentist for regular checkups. If you clean your teeth professionally every four months, then it’s best to change your toothbrush after each session. Your dentist may give you a free toothbrush sample if you are lucky. 

If you use an electronic toothbrush, it would be best to follow the instructions on the manual as you would be replacing the toothbrush head. 

At this point, it’s vital to consider the well-being of your Planet. Thus, you may consider switching to bamboo toothbrushes to avoid adding plastic to the environment. 

Tips to Keep In Mind to Care for Toothbrushes 

Despite too much information available everywhere, rely on what 

your dentist suggests. Your dentist knows your oral health history and, thus, would be able to give you the best recommendation. 

Consider the following: 

  • It’s best to replace your toothbrush every three to four months. After that, don’t take chances with your oral health. 
  • You can switch to eco-friendly toothbrushes for yourself and your family. If you are running a business that uses toothbrushes, you can consider bamboo toothbrushes instead of plastic ones. 
  • Store your toothbrush in a proper container and let it air dry after rinsing it thoroughly with water. 
  • Don’t put multiple toothbrushes in the same container. 
  • If you are sick, change your toothbrush when you recover. It’s best to take precautionary measures. It’s better to be safe than sorry. 

What works for one person may not be suitable for the other, but when it comes to toothbrushes, you must listen to the authorities! The dentists and manufacturers suggest you replace your toothbrush in three to four months. But, you could do it sooner, depending on your toothbrush’s condition and oral health. 


Let’s discuss some common questions that may bother you about toothbrushes. 

Is it okay if I don’t replace my toothbrush? 

No, it’s not okay! You must replace your toothbrush as it’s best for your oral health. You don’t want to carry germs on the toothbrush. So, it’s best to replace the toothbrush when the time is up! 

Is plastic toothbrush safe for the environment? 

Plastic toothbrushes are affecting the well-being of the environment. There is too much plastic being added to landfills. Thus, you may want to switch to eco-friendly items so that you can protect the Planet to some extent. 

Which toothbrush is right for me? 

Your dentist can guide you about the toothbrushes. A lot depends on your oral health. For some people, it would be best to use the electronic toothbrush as it lets the user know when it’s time to replace the toothbrush head. 

How would I know if it’s time to replace my toothbrush? 

If you have used the same toothbrush for many years, it’s time to get rid of it. You can consider buying a new, eco-friendly one. You can order the toothbrushes in bulk and save them for later use. But, of course, it’s always better to have a spare toothbrush available with you! 

Should I keep using the toothbrush with worn-out bristles?

No, it’s best to replace it and buy a new toothbrush. However, it’s about your oral health, so take it seriously. 

Is it okay to give my toothbrush to someone else?

No, it’s not okay. You must not share your toothbrush with anyone else. It’s your toothbrush, so you must be the one using it in the first place. When the time is over, don’t give it to anyone else. You must also change the toothbrushes of other family months every three to four months. 

Where to find the best information about oral health?

Your dentist is your best source when it comes to your oral health. A reliable and knowledgeable dentist will help you in many ways. It’s vital to find the right dentist for your family. When you have one, you can ask all the relevant questions about your oral health. 

Wrapping It Up 

You must replace your toothbrush every three to four months. You must be taking care of your toothbrush the right way. Never share your toothbrush with anyone else and if you are sick, replace the toothbrush. For a better environment, consider a bamboo toothbrush instead of a plastic one. You can also opt for an electric toothbrush and change it per the manual’s instructions. Talk to your dentist if you have concerns about your oral health, and also ask your dentist to guide you more about the toothbrushes.