
Electric toothbrushes are a convenient way to maintain oral hygiene, but can they make you sick? The short answer is yes, but it's unlikely. Toothbrushes can be a breeding ground for bacteria, with researchers at the University of Manchester finding over 100 million bacteria on an uncovered toothbrush, including E. coli and staphylococci. However, our bodies are incredibly resilient and have defence mechanisms to fight off these bacteria. The likelihood of getting sick from your toothbrush is low, but it's important to practice good hygiene and storage habits to minimise the risk. This includes rinsing your toothbrush after use, allowing it to air dry, and replacing the head regularly, especially after an illness.
| Characteristics | Values |
|---|---|
| Germs on toothbrush | Yes |
| Germs causing sickness | Possible but unlikely |
| Toothbrush storage location | Away from the toilet |
| Toothbrush storage method | Upright in a holder to air dry |
| Toothbrush replacement frequency | Every 2 weeks to 4 months |
| Toothbrush replacement scenarios | After sickness, during sickness, when bristles are frayed |
| Toothbrush cleaning method | Rinse with hot water, submerge in hydrogen peroxide or mouthwash |
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What You'll Learn
- Electric toothbrushes should be stored in a dry, clean place, away from the toilet
- Rinse the toothbrush with hot water after use and let it air dry
- Replace the toothbrush head regularly, especially after sickness
- Avoid sharing your toothbrush with others
- Choose a toothbrush with a small head and translucent bristles

Electric toothbrushes should be stored in a dry, clean place, away from the toilet
Electric toothbrushes can be a breeding ground for bacteria, which can make you sick. Researchers at the University of Manchester in England have found that an uncovered toothbrush can harbour over 100 million bacteria, including E. coli and staphylococci ("Staph") bacteria. These bacteria can cause diarrhoea and skin infections, respectively.
To prevent this, it is important to store your electric toothbrush properly. Firstly, always keep your toothbrush in a dry place. Bacteria thrive in moist environments, so make sure your toothbrush is given the chance to dry thoroughly between brushings. Rinse your toothbrush with hot water after each use and let it air-dry before storing it away.
Secondly, store your electric toothbrush in a clean place. This means keeping it away from the toilet. Every time you flush, bacteria are sprayed into the air, and you don't want these germs near your toothbrush. It is recommended to keep your toothbrush in a medicine cabinet or in your bedroom, away from the toilet and other bathroom contaminants.
Lastly, remember to replace your electric toothbrush head regularly. The American Dental Association recommends replacing toothbrushes every three to four months or when the bristles become frayed. If you've been sick, it is especially important to change your toothbrush head to prevent the spread of germs and the risk of reinfection. By following these simple steps, you can help ensure that your electric toothbrush is stored properly and maintain good oral hygiene.
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$19.96

Rinse the toothbrush with hot water after use and let it air dry
While it is unlikely that your electric toothbrush will make you sick, it is important to practice good oral hygiene to reduce the risk of illness. One way to do this is by rinsing your toothbrush with hot water after each use and letting it air dry.
Rinsing your toothbrush with hot water helps to remove any remaining toothpaste, debris, and food particles that may be left on the brush after brushing. It also helps to prevent the buildup of bacteria on the bristles. After rinsing, it is important to let the toothbrush air dry before putting it away. Bacteria thrive in moist environments, so allowing the toothbrush to dry thoroughly between brushings can help reduce the risk of bacterial growth.
To properly rinse your electric toothbrush with hot water, run the bristles under hot running water for a few seconds, making sure to remove any toothpaste or debris that may be left on the brush. If you want to be extra thorough, you can also soak the brush head in hydrogen peroxide or an alcohol-based mouthwash before rinsing it with hot water.
After rinsing, shake off any excess water and store the toothbrush in an upright position to allow it to air dry. It is recommended to keep the toothbrush uncovered and in an open location to facilitate drying and reduce the buildup of bacteria. Avoid storing your toothbrush in a closed container or a humid environment, as this can promote bacterial growth.
In addition to rinsing and drying your electric toothbrush, it is important to practice other good oral hygiene habits. This includes replacing the brush head regularly, especially after illness, and storing the toothbrush in a clean and dry place, away from the toilet and other sources of bacteria. By following these simple steps, you can help reduce the risk of bacterial contamination and maintain good oral health.
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Replace the toothbrush head regularly, especially after sickness
It is important to replace your toothbrush or toothbrush head regularly, especially after sickness. This is because your toothbrush can be a breeding ground for bacteria, and viruses, which can make you sick.
The bathroom is the perfect place for bacteria to grow as it is often moist and steamy. It is also important to note that every time you flush the toilet, a spray of bacteria is released into the air. Therefore, it is recommended to store your toothbrush as far away from the toilet as possible, or even in a different room.
To reduce the risk of getting sick from your toothbrush, it is important to practise good hygiene. This includes rinsing your toothbrush thoroughly with hot water after each use and allowing it to air dry before putting it away. It is also recommended to replace your toothbrush or toothbrush head every three to four months, or when the bristles become frayed.
If you have been sick, it is especially important to replace your toothbrush or toothbrush head to prevent the spread of germs and the risk of reinfection. Our bodies can continue to shed viruses and bacteria even after symptoms have gone, potentially contaminating the toothbrush. Therefore, replacing the toothbrush head is a cost-effective and eco-friendly solution to maintaining good oral hygiene.
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Avoid sharing your toothbrush with others
While it may seem harmless, sharing your electric toothbrush with others can have serious health implications. Electric toothbrushes, just like regular toothbrushes, can be a breeding ground for bacteria, including E. coli, staphylococci, and streptococcus. These bacteria can cause various illnesses, from diarrhea and skin infections to strep throat. Therefore, it is crucial to avoid sharing your electric toothbrush with anyone else.
Risk of Cross-Contamination
Sharing a toothbrush can lead to cross-contamination, where bacteria, viruses, and other germs are transferred from one person to another. This can result in the spread of illnesses, such as the common cold, influenza, or even herpes. If one person is sick, using the same toothbrush can reinfect them or spread the illness to others.
Transfer of Harmful Bacteria
Toothbrushes can harbor harmful bacteria that can cause oral and systemic infections. For example, pneumonia-causing bacteria have been found on toothbrushes. Sharing a toothbrush increases the risk of transferring these bacteria, which can lead to serious health issues for the user.
Compromised Oral Health
Each person has a unique oral microbiome, and sharing a toothbrush can disrupt this delicate balance. It can introduce foreign bacteria and microorganisms into an individual's mouth, leading to gum disease, tooth decay, and bad breath. Maintaining proper oral hygiene is essential for overall health, and sharing a toothbrush undermines this effort.
Difficulty in Maintaining Proper Hygiene
When a toothbrush is shared, it becomes challenging to ensure it is adequately cleaned and stored between users. Proper toothbrush hygiene includes rinsing the brush after each use, allowing it to air dry, and replacing the brush head regularly. With multiple users, the risk of cross-contamination increases, and it becomes more difficult to maintain the recommended hygiene standards.
Personalized Oral Care Needs
Everyone has different oral care needs, and electric toothbrushes are often customized to suit an individual's requirements. Factors such as bristle softness, brush head size, and specific oral health concerns vary from person to person. Sharing an electric toothbrush may not provide the personalized care needed to maintain optimal oral health for each user.
In conclusion, while electric toothbrushes are excellent tools for oral hygiene, they should never be shared among individuals. The potential health risks associated with cross-contamination and the spread of harmful bacteria far outweigh any perceived convenience or cost-saving benefits of sharing. Always remember to prioritize your health and that of others by practicing good oral hygiene habits and keeping your electric toothbrush solely for your use.
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Choose a toothbrush with a small head and translucent bristles
While it is unlikely that your electric toothbrush will make you sick, it is important to maintain good oral hygiene and store your toothbrush properly to prevent the spread of germs.
To maintain good oral hygiene, it is recommended to brush your teeth twice a day for two minutes each time. It is also important to use the right type of toothbrush bristles. Soft bristles are generally recommended as they are effective at removing plaque without damaging your gums or enamel. Medium bristles can be too harsh and hard bristles can lead to gum recession and enamel loss.
When choosing a toothbrush, opt for one with a small head, especially if you have a small mouth or find it difficult to reach the back of your mouth. Electric toothbrushes typically have smaller replaceable heads compared to manual toothbrushes, making them ideal for targeted cleaning of each tooth. The smaller head size also allows for better manoeuvrability and access to hard-to-reach areas.
In addition to head size, consider the bristle design. Angled or multi-level bristles are superior to straight ones as they increase contact with tooth surfaces, improving plaque removal even in tight spaces. Choose well-designed bristles that help you reach all areas of your mouth effectively.
To keep your toothbrush clean, rinse it thoroughly with hot water after each use and let it air dry before storing it away. Replacing your toothbrush or the head of your electric toothbrush regularly is also important. The American Dental Association recommends replacing your toothbrush every three to four months or more frequently if the bristles become frayed or if you have been sick.
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Frequently asked questions
Yes, it can. Toothbrushes can be a breeding ground for bacteria, especially in humid bathrooms. However, the likelihood of this happening is low, as our bodies are usually able to defend against these bacteria.
To prevent your electric toothbrush from making you sick, you should store it properly. Keep it in a dry, well-ventilated area, away from the toilet. Rinse it thoroughly after each use and allow it to air dry. Replace the head regularly, especially after an illness.
The American Dental Association recommends replacing toothbrushes every three to four months. If you've been sick, it's a good idea to replace your toothbrush or just the head if it has a removable one. This will help prevent the spread of germs and reinfection.
Researchers have found various germs on toothbrushes, including E. coli, staph bacteria, the flu virus, yeast fungus, and strep virus. These bacteria can cause diarrhea and skin infections.
While you can sanitise your toothbrush by microwaving or dishwashing it, this may damage the bristles. Instead, rinse your toothbrush with hot water after each use. For a deeper clean, submerge it in hydrogen peroxide or alcohol-based mouthwash.











































