How Often Should You Change Your Toothbrush?


When was the last time you changed your toothbrush? Your toothbrush is an essential, first line tool to prevent decay and cavities which can lead to more complex and painful oral and health complications. Despite their importance, many people can’t remember the last time that they changed their toothbrush.

So how often should you change your toothbrush? And how can you best keep it clean?

Change your toothbrush every 3 months

As a general rule, you should change your toothbrush every three months. This is true for both manual and electric toothbrushes and is usually the time it takes for the bristles to begin to wear out.

Toothbrushes tend to become less effective at cleaning when the bristles are damaged. Therefore, replacing your brush as soon as you notice deterioration is important. If you fail to do so, your disciplined brushing might partly be going to waste and plaque will be more likely to build up in your mouth.

Additionally, if you find that your bristles are showing signs of wear before the three month mark, you might be pressing too hard when you brush. If this is the case, try softening your pressure or holding the brush with 3 fingers rather than a tight fist and be sure to speak to your dentist about your brushing technique at your next appointment.

Replace your toothbrush after being sick

Microorganisms, including viruses, can remain on your toothbrush for weeks. This means that viruses and bacteria can be passed on and could spread things like the common cold, coronavirus, a cold sore or even hepatitis B.

Therefore, it is important to replace your toothbrush after being sick. This especially true if you share a toothbrush holder with other people. Ideally, each person should have their own toothbrush storage place and their own toothpaste.


Tips for keeping your toothbrush clean

The simplest way to keep your toothbrush relatively clean is by rinsing it in warm water and storing it appropriately. You don’t need any fancy disinfectant. However, helping your toothbrush dry out completely can reduce the risk of bacteria multiplying and mold growing. Instead of a storage cup, you could use a wall suction which allows for more airflow and faster drying.

Also, if you have a bathroom with the toilet combined it is best to store your toothbrush as far away from the toilet as possible and close the lid when flushing to prevent microscopic particles ending up on your brush. See what Dr Karl has to say about toothbrushes near toilets here…


To read more about how to keep your teeth health check out our articles How Often Should You See The Dentist?, 3 Common Dental Risks for Women and What tooth grinding might be doing to your teeth and mouth.

If you believe you’re due for your check up, book a consultation with our team at Ethical Dental on 6652 3185 or book online.



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