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A woman brushing her clear aligners with a toothbrush.A woman brushing her clear aligners with a toothbrush.

How to Clean Aligners According to Dental Professionals

By: BeSeen Team

Date: September 13, 2023

If you’ve decided to undergo orthodontic treatment with clear aligners, you should know what proper cleaning looks like for your appliance. The good news is they’re much easier to wash vs. their fixed counterparts since you can take them off. Hurray! It’s still best to consult your treating doctor for specific instructions on how to clean aligners when you get your first tray. But in the meantime, use this guide to understand the basics and get additional maintenance tips.

Expert-Recommended Cleaning Methods for Clear Aligners

Close-up of ClearCorrect aligners.
Cleaning your aligners helps manage harmful bacterial buildup.

Since aligners stay in the mouth, they’re susceptible to the same bacteria as your tongue, teeth, and gums. Regular cleaning helps manage buildup that can cause plaque, bad breath, and other issues. It also keeps them in tip-top shape. So, how often should you clean them? Experts recommend washing them thoroughly every morning and night as part of your oral care routine. Try these methods!

1. Gently scrub with a toothbrush and nonabrasive toothpaste.  

You can clean your aligners with a soft-bristled toothbrush, nonabrasive toothpaste, and cool water. Make sure to have a dedicated toothbrush for this purpose. The one you use for your teeth may have trace amounts of abrasives that can damage the material over time.

Look for a toothpaste that ranks low on the Relative Dentin Abrasivity (RDA) scale. Your best bets are usually those made for sensitive teeth. Meanwhile, you should avoid options with harsh “whitening” ingredients, like hydrogen peroxide. 

2. Soak in a denture cleaning solution. 

Denture cleaners help remove and control the growth of harmful bacteria. They come in many forms, including effervescent tablets that lift residue from oral appliances. They’re also a highly effective disinfectant. Some people even use them as a household cleaning solution.

However, some denture cleaners may be too abrasive on aligners. To be safe, ask your doctor for recommendations that will be appropriate for your appliance. Generally, you’ll want to soak your aligners for 20-30 minutes, but the duration may vary depending on the solution you’re using.

3. Wash with mild antibacterial soap and water. 

You can use soap on your aligners so long as they’re gentle, clear, and unscented. Like when choosing toothpaste, you’ll want to avoid soap with harsh ingredients. The Australian Dental Association recommends nonabrasive liquid soap. Go for those with antibacterial properties to help with disinfection. But absolutely no bleach – it’s way too harsh and not worth the risk!

The Dos and Don’ts of Clear Aligner Maintenance

A woman putting clear aligners in their container.
Always keep your aligners in their designated container to avoid misplacing them.

Now that you know how to clean aligners at home, here are a few additional precautions to help maintain their condition.

DO: Store them in their proper container. 

You’d be surprised how often patients find themselves digging through garbage bins to recover their aligners after wrapping them in paper napkins. They’re also generally easy to misplace, given their clear nature. Save yourself the trouble by storing them properly whenever you take them off.

DON’T: Use coloured mouthwash. 

Using mouthwash to clean your aligners isn’t ideal, but it can work if you have no other readily available options. However, you should avoid mouthwash brands that contain artificial dyes and colourants. They can stain or damage the material of your aligners, doing more harm than good. And if you’re using coloured mouthwash to gargle, remember to remove your aligners first.

DO: Take them off before eating or drinking. 

Aligners, like ClearCorrect, can’t withstand the pressure of chewing, so you should take them off before snacking or sitting down for a meal. Plus, food particles can get stuck in hard-to-reach areas, which promotes bacterial growth. You should also avoid drinking dark-coloured and/or hot liquids (like coffee or tea) to prevent staining and warping.

Always gargle with water after eating and rinse your aligners before popping them back in. Think of it this way: the fewer the substances that get on your aligners, the less you’ll have to clean up later. 

DON’T: Soak them in hot or boiling water. 

Extreme temperatures can warp the material of your aligners, compromising them and your treatment progress. At most, you can use lukewarm water to assist with cleaning, but you shouldn’t let the appliance soak in it. For best results, stick to the cleaning methods above.

Knowing how to clean aligners properly is essential for oral hygiene upkeep. Think of your aligners as a part of your mouth from the beginning to the end of your treatment. As such, they require just as much care. Follow these tips to keep them looking – and feeling! – brand new.

 

References: 

Australian Society of Orthodontists. (2023b, March 8). How to clean and take care of clear aligners. Orthodontics Australia.

Teeth straightening and braces – Australian Dental Association. (n.d.). 

Tsolakis, A. I., Kakali, L., Prevezanos, P., Bitsanis, I., & Polyzois, G. (2019). Use of different cleaning methods for removable orthodontic appliances: a questionnaire study. Oral Health & Preventive Dentistry, 17(4), 299–302. 

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