
Retainers are essential for ensuring your smile lasts a lifetime, but they require regular cleaning to prevent bacteria build-up and tooth decay. One effective way to clean your retainer is to soak it in a solution. However, it is important to avoid harsh chemicals and persulfates commonly found in mouthwash and denture tablets, as these can weaken and discolour the plastic. Instead, you can soak your retainer in distilled water or a 50/50 mixture of water and vinegar, or even water and hydrogen peroxide. For extra cleaning power, you can add a mild dish soap or baking soda to the mix. Soaking your retainer for 15-30 minutes once a week will help keep it clean and fresh.
What to soak your plastic retainer in
| Characteristics | Values |
|---|---|
| Water | Distilled water is best, as tap water can cause plaque build-up. |
| Vinegar | Use a 50/50 solution of vinegar and water. Soak for 15-30 minutes. |
| Baking soda | Make a paste with water and scrub gently. |
| Hydrogen peroxide | Make a 50/50 solution with water and soak for 15-20 minutes. |
| Mouthwash | Avoid mouthwashes with alcohol, as these can dry out retainers. Dilute with water and soak occasionally. |
| Denture cleaner | Only use occasionally, as these can turn retainers yellow. |
| Retainer Brite | Effervescent tablets that kill bacteria and prevent tartar buildup. |
| DentaSoak | One of the few cold-water retainer cleaners. Kills bacteria and removes tartar buildup. |
| Castile soap | Make a solution with warm water and scrub with a toothbrush. |
| Dish soap | Use a mild, unscented liquid dish soap and scrub gently. |
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What You'll Learn

Soak in distilled water
Retainers should be soaked in distilled water each day or night to keep them clean and moist. This is because tap water contains minerals that can cause plaque to form on your retainer.
If distilled water is not available, a retainer can be soaked in a damp paper towel until it can be properly cleaned. It is also acceptable to soak retainers in distilled water mixed with a couple of drops of castile soap, which is made from olive oil and coconut oil. This is a safe and effective way to achieve freshness.
After soaking, retainers should be rinsed and then placed back in distilled water. This will ensure that they remain bacteria-free.
If a retainer has a lot of buildup or requires a deeper clean, it should be taken to a dentist for an ultrasonic clean.
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Vinegar and water solution
Vinegar is an effective way to clean your retainer and keep it bacteria-free. It is important to note that retainers are made of porous materials that can absorb the liquid they are soaked in, so it is recommended to use a vinegar and water solution.
To make the solution, mix equal parts of white vinegar and warm water in a small dish. The retainer should then be soaked in the mixture for 15 to 20 minutes. If your retainer is covered in a film or mineral deposits, use a soft-bristled toothbrush to gently scrub it clean. Rinse the retainer with cold water and then soak it for another 20 minutes.
Vinegar has a strong smell, so you may want to clean your retainer outside or use a disposable dish to reduce the lingering odour. After soaking, make sure to thoroughly rinse your retainer and then place it in a stainless steel container with distilled water.
It is important to keep your retainer clean and moist to prevent damage and hardened plaque. Water helps wash away food debris and sugars, reducing oral bacteria and keeping your retainer fresh.
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Hydrogen peroxide and water solution
Retainers should be cleaned regularly to prevent the build-up of food debris, bacteria, and plaque. A good way to clean your retainer is to soak it in a solution of water and hydrogen peroxide. This solution helps to reduce yellowness and kill bacteria.
To make the solution, mix equal parts warm water and 3% hydrogen peroxide. Soak your retainer in the solution for 30 minutes. After soaking, rinse the retainer thoroughly with warm water before putting it back in your mouth. This method is useful if you want to clean and whiten your retainer without using harsh chemicals.
While this solution is effective at killing bacteria and reducing discolouration, it does not remove plaque build-up. To remove plaque, brush your retainer with a paste made from baking soda and water before soaking it in the hydrogen peroxide solution. You can also use a soft-bristled toothbrush to gently scrub your retainer, removing plaque, bacteria, and food particles. Be sure to use lukewarm or cool water to rinse your retainer, as hot water can warp the plastic and damage its custom shape.
It is important to keep your retainer clean and moist when it is not in your mouth. Always soak your retainer in distilled water, as the minerals in tap water can contribute to plaque formation. Additionally, be sure to clean your retainer case regularly, as bacteria can thrive in the case just as they do on the retainer itself.
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Baking soda and water paste
Baking soda is an effective and safe ingredient for cleaning your retainer. It has antibacterial properties, which help to kill harmful bacteria found in the mouth. Baking soda can also prevent a retainer from developing pH imbalances that harm the mouth.
To make a baking soda and water paste, dissolve two tablespoons of baking soda in three-quarters of a cup of warm water. The paste should be thick enough to stick to the retainer. You can then scrub the retainer gently with the paste and a soft toothbrush. Make a fresh batch of baking soda and water paste every time you clean your retainer to minimize bacteria.
You can also soak your retainer in a solution of baking soda and water. Add two tablespoons of baking soda to a stainless steel container with three-quarters of a cup of warm water. Dip your retainers in this solution for about one to two hours when you are not wearing them.
Baking soda can also be used in combination with other ingredients such as vinegar or castile soap to safely disinfect retainers.
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Denture cleaner
To clean a retainer with denture cleaner, first, rinse the retainer, then soak it in the denture cleaner for about 20 minutes. After removing the retainer from the solution, scrub it gently with a soft toothbrush. If the retainer still tastes like the denture cleaner, continue rinsing it until the taste is gone.
It is worth noting that some sources recommend against using denture cleaners or any cleaning tablets as they may contain persulfate, a known allergen. Persulfate has been linked to allergic reactions and other negative symptoms in users. The FDA has issued a warning about the use of cleaning solutions containing persulfate and recommended thorough rinsing before using dentures or retainers. However, due to the porous nature of retainers, it may be challenging to completely remove persulfate from the device.
As an alternative to denture cleaners, some sources suggest using baking soda, which is a safe and effective disinfectant. It helps control bacteria, prevents pH imbalances, and can whiten retainers. To use baking soda, create a paste with equal parts water and baking soda. Gently scrub the retainer with this paste using a soft toothbrush, then rinse thoroughly.
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Frequently asked questions
It is recommended to soak your retainer in distilled water when it is not in use. Other natural solutions include a mixture of water and baking soda, or a 50/50 mixture of water and vinegar.
It is recommended to soak your retainer for 15 to 30 minutes. After soaking, make sure to thoroughly rinse your retainer with cold water.
Yes, avoid using mouthwash, as it contains alcohol and sodium lauryl sulphate, which can dry out your retainer and mouth. Also, avoid using cleaning tablets, as they can be toxic and cause allergic reactions.











































