
Retainers are custom-made dental appliances used to keep teeth in position after orthodontic treatment. They are usually worn for months or even years, and regular use and maintenance are essential for maintaining the desired results. However, if not cleaned properly, retainers can develop an unpleasant odour due to bacteria, plaque, and tartar buildup. This not only causes an offensive smell but also increases the risk of oral health problems such as gum disease and cavities. To prevent these issues, it is important to clean your retainer regularly and address any odours that may develop.
Characteristics and Values Table for Stinky Plastic Retainers
| Characteristics | Values |
|---|---|
| Reason for stink | Bacteria and plaque build-up |
| Cleaning products to avoid | Effervescent tablets, hydrogen peroxide, toothpaste, mouthwash (if it contains alcohol) |
| Cleaning products to use | Baking soda, distilled water, castile soap, white vinegar, denture cleaner, mild dish soap |
| Cleaning methods | Soaking, brushing, ultrasonic cleaning |
| Cleaning frequency | Daily, weekly, monthly |
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What You'll Learn
- Clean your retainer regularly with baking soda and water to prevent odours
- Use a toothbrush to scrub the paste into your retainer, then rinse
- Soak your retainer in a solution of vinegar and water to remove odours
- Avoid using toothpaste to clean your retainer as it can be too abrasive
- If you have no other options, soak your retainer in non-alcoholic mouthwash

Clean your retainer regularly with baking soda and water to prevent odours
Plastic retainers can start to smell like rotten fruit if they are not cleaned regularly. To prevent this, it is important to clean your retainer with baking soda and water. Baking soda is a safe, natural, and effective deodoriser that can prevent odours from developing. It is also a disinfectant that can control bacteria without harming your mouth.
To clean your retainer, create a paste that is half water and half baking soda. The mixture should be thick enough to stick to the retainer. Then, gently scrub the retainer with the paste using a soft-bristled toothbrush. Finally, rinse the retainer thoroughly with water to remove any residue.
In addition to using baking soda and water, you can also soak your retainer in distilled water when it is not in your mouth to keep it clean and moist. Avoid using tap water as the minerals can contribute to the formation of plaque on your retainer. If you want to freshen your retainer's smell and kill some bacteria, you can also soak it in a mixture of equal parts mouthwash and lukewarm water. However, only use this solution occasionally as alcohol can harm the plastic of your retainer.
Another option for removing odours and disinfecting your retainer is to soak it in white vinegar. Create a mixture of half white vinegar and half warm water, and soak your retainer for about 15 to 20 minutes. Be sure to rinse your retainer thoroughly afterward, as the strong taste of vinegar may remain otherwise.
By cleaning your retainer regularly with baking soda and water, and incorporating other cleaning methods such as distilled water soaks and vinegar soaks, you can effectively prevent odours and maintain a fresh-smelling and clean retainer.
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Use a toothbrush to scrub the paste into your retainer, then rinse
If your plastic retainer stinks, it is likely due to a build-up of bacteria, plaque, and tartar. To prevent this, it is important to clean your retainer regularly and properly.
One effective way to clean your retainer is by using a toothbrush to scrub a paste into it and then rinsing it off. Here is a step-by-step guide on how to do this:
- Create a paste by mixing equal parts water and baking soda. The mixture should be thick enough to stick to your retainer. Baking soda is a natural disinfectant and deodorizer that can eliminate the bacteria and odour associated with retainers without the use of harsh chemicals.
- Use a soft-bristled toothbrush to gently scrub the paste into all the surfaces of your retainer. Ensure you reach the deep grooves and ridges of the retainer.
- Rinse the paste off your retainer with cool or lukewarm water. It is important to avoid using hot water as it can warp the plastic and cause it to lose its custom shape.
- Make a fresh batch of the baking soda and water paste each time you clean your retainer. This helps minimize bacteria in the paste from previous uses.
In addition to using a toothbrush and baking soda paste, you can also soak your retainer in a solution of white vinegar and water to further disinfect and remove any remaining odours or residues. After soaking, always remember to thoroughly rinse your retainer before placing it back in your mouth.
By following these steps and maintaining good oral hygiene practices, you can effectively clean your plastic retainer, eliminate odours, and prevent the build-up of bacteria, plaque, and tartar.
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Soak your retainer in a solution of vinegar and water to remove odours
If your plastic retainer is starting to smell, it may be time for a deep clean. One way to do this is by soaking your retainer in a solution of vinegar and water to remove odours.
White vinegar is a great disinfectant that removes odours and kills bacteria. To make the solution, mix equal parts vinegar and warm water in a small dish. You can use a 50/50 solution of vinegar and water, or you can adjust the measurements to suit the size of your dish. Ensure you use a stainless steel container for the solution. Vinegar has a strong smell, so you may want to clean your retainer outdoors.
Once you have prepared the solution, soak the retainer for 15 to 20 minutes. After soaking, thoroughly rinse your retainer with cold water and then soak it in distilled water. Make sure to clean your retainer regularly to prevent a build-up of tartar and bacteria.
If you don't like the smell of vinegar, you can also use baking soda and water to clean your retainer.
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Avoid using toothpaste to clean your retainer as it can be too abrasive
If your plastic retainers are stinking, it's likely due to a build-up of bacteria, plaque, and tartar. This can be caused by improper oral hygiene, and if left unaddressed, can lead to oral health issues such as gum disease and cavities. To prevent this, it's important to clean your retainers regularly and avoid using toothpaste, as it can be too abrasive and damage the retainer. Here are some detailed instructions to help you effectively clean your retainers without using toothpaste:
Firstly, it is recommended to clean your retainers as soon as you remove them from your mouth. This prevents any debris from hardening, making it easier to clean. Use lukewarm or distilled water to brush out your retainer after each meal. Avoid hot water as it can warp the retainer, causing it to lose its custom shape.
For a deeper clean, you can use baking soda, which is an effective deodorizer and disinfectant. Create a paste with equal parts water and baking soda, thick enough to stick to the retainer. Gently scrub the paste onto the retainer using a soft-bristled toothbrush. Baking soda helps neutralize the pH of the mouth, preventing the growth of "bad" bacteria. Rinse the retainer thoroughly after scrubbing to remove any residue.
Another effective method is to use white vinegar, which is a gentle disinfectant. Mix equal parts white vinegar and warm water, and soak your retainer in this solution for around 15-20 minutes. After soaking, thoroughly rinse your retainer to avoid any strong tastes or residues.
Additionally, you can use a mild dish soap with lukewarm water and gently scrub the retainer with a soft toothbrush. For stubborn debris, use a cotton swab to reach the deeper grooves and ridges. Remember to always consult your dentist if you have any concerns or if you notice persistent debris that won't come off.
By following these steps and avoiding the use of toothpaste, you can effectively clean your plastic retainers, eliminating any unpleasant odors and maintaining good oral hygiene.
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If you have no other options, soak your retainer in non-alcoholic mouthwash
If your retainer has developed a persistent odour or stain that regular cleaning cannot resolve, professional cleaning may be necessary. However, if you have no other options, you can try soaking your retainer in non-alcoholic mouthwash.
It is important to note that while mouthwash is great for freshening breath, not all cleaning methods are suitable for retainers. Proper retainer care is essential to ensure your appliance remains in good condition and functions effectively. Mouthwash may seem like a quick fix, but many mouthwashes contain alcohol or harsh chemicals that can degrade the material of your retainer. Therefore, if you choose to soak your retainer in mouthwash, be sure to use a non-alcoholic variety. Alcohol can harm your retainer's plastic, causing warping and discolouration.
To soak your retainer in non-alcoholic mouthwash, mix equal parts mouthwash and lukewarm water. Submerge the retainer in the solution for anywhere from 30 minutes to several hours. The longer you can soak your retainer, the better. However, be sure not to exceed the manufacturer's recommended soaking time for your retainer. After soaking, thoroughly rinse your retainer with lukewarm water before placing it back in your mouth.
While soaking your retainer in non-alcoholic mouthwash may help eliminate bacteria and odours, it is not a substitute for proper retainer hygiene and regular dental check-ups. It is always best to consult your dentist or orthodontist for advice on how to properly care for your retainer and maintain good oral hygiene.
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Frequently asked questions
Bacteria and plaque can build up on the retainer, and when combined with saliva, it creates an unpleasant odor.
You should clean your retainer at least once a day and perform a deeper clean once a week.
Baking soda is the safest and most effective way to clean your retainer. It is a natural deodorizer that can eliminate the odor commonly associated with retainers. It also helps to stabilize the pH of the mouth, keeping bacteria at bay. You can make a paste with baking soda and gently scrub your retainer with a soft-bristled toothbrush.
Yes, you can also soak your retainer in a solution of equal parts lukewarm water and white vinegar for 15-20 minutes. Rinse it thoroughly afterward to avoid any strong tastes. You can also use a mild dish soap instead of vinegar.











































