
Getting your teeth straightened is an investment, not just in your smile, but in your overall health and in your self-esteem. But your journey to straighter teeth does not end when your braces are removed or your aligner treatment is complete. To retain your results, your orthodontist probably provided you with a retainer, and with your retainer comes an implicit agreement: wear your retainer regularly, and keep it clean.
While many people understand the importance of wearing their retainer for teeth, fewer know the importance of proper retainer hygiene. If you are wondering how to clean retainers, how to remove buildup, or what the difference is between a retainer vs night guard, this blog is going to be your one-stop guide.
Let’s talk about the best retainer cleaning methods, some DIY options like cleaning retainers with vinegar or baking soda, along with helpful tips to make retainer care a seamless part of your daily oral hygiene routine.
Why Cleaning Your Retainer Matters
Your retainer spends hours in your mouth, absorbing saliva, bacteria, and even food particles. Over time, if you don’t clean it properly, you’ll likely notice:
- Bad breath
- Cloudy buildup or white spots
- An unpleasant taste
- Irritation or even infections in the mouth
Unlike your teeth, which benefit from brushing and rinsing multiple times daily, your retainer needs a dedicated approach to cleaning. Simply rinsing it with water isn’t enough to remove plaque from retainers or keep harmful bacteria at bay.
How to Clean Retainers: Daily Steps That Work

Whether you have a Hawley retainer, an Essix retainer (made of clear plastic), or a permanent wire, daily care is essential. Here’s how to clean retainers daily.
Rinse Immediately After Removal
The first and simplest step is to rinse your retainer each time you remove it. Use lukewarm water (not hot) and rinse it quickly to help prevent saliva and plaque from hardening on it.
Hot water can warp the clear plastic retainers, affecting the fit and making it useless.
Gently Brush with a Soft Toothbrush
Use a different toothbrush, one that you don’t use for brushing your teeth, to gently clean your retainer. You can use water alone or add a bit of mild dish soap for a deeper clean.
Avoid toothpaste, especially whitening kinds, as they are abrasive and can create micro-scratches on plastic retainers.
Use a Mild Soap or Retainer Cleaner
Soaps that are fragrance-free and gentle on skin often work well. Alternatively, invest in a retainer cleaner that New Zealand brands offer. These are designed specifically for your dental appliances and ensure you're cleaning effectively without damage.
How to Remove Plaque from Retainers: Deep-Cleaning Techniques

Just like your teeth, your retainer can accumulate plaque, especially if you’ve skipped a few cleanings. Here’s how to deal with that buildup safely and naturally:
Vinegar Soak Method
White vinegar is excellent for dissolving minerals and breaking down plaque.
Instructions:
- Combine equal amounts of white vinegar and lukewarm water.
- Soak the retainer for 15–30 minutes.
- Gently brush with a soft toothbrush.
- Make sure to rinse it well with water before putting it back in your mouth.
This is one of the best retainer hygiene guides for anyone looking for a natural alternative.
Baking Soda Scrub
Baking soda is a natural deodorizer and antibacterial agent.
Instructions:
- Combine 1 tablespoon of baking soda with water until it forms a paste.
- Using a toothbrush, apply and scrub gently.
- Rinse thoroughly.
You can alternate between cleaning retainers with vinegar or baking soda each week to keep your retainers clean and fresh.
Best Retainer Cleaning Methods (Weekly Deep Clean)
To maintain long-term cleanliness, try to give your retainer a deep clean at least once a week.
Options include:
- Effervescent Tablets: Special retainer cleaner tablets dissolve in water to release cleaning agents that remove plaque and odours.
- Hydrogen Peroxide Mix: Combine 1 part peroxide with 1 part water, soak for 10–15 minutes.
- Aligner/Retainer Cleaner: With products like aligner/retainer cleaner, you can clean your retainer while you wear it. Just spread some cleaner in your retainer and pop your retainer in like usual.
Important: Avoid boiling your retainer, using bleach, or placing it in the dishwasher. All of these methods can permanently damage the device.
Retainer vs Night Guard: What’s the Difference?
People often confuse retainers with night guards, but they serve very different purposes.
Feature | Retainer | Night Guard |
---|---|---|
Purpose | Holds teeth in place post-orthodontics | Protects teeth from grinding (bruxism) |
Material | Often thinner and lighter | Thicker, designed to withstand pressure |
Fit | Exact fit to maintain alignment | Looser but covers teeth for cushion |
Cleaning Needs | More frequent | Slightly less frequent |
If you’re wearing a retainer to retain teeth alignment, be sure you’re not using a cleaning method meant for night guards unless the cleaner is approved for both.
Retainer Wearing Time: How Long Should You Wear It?
Your retainer-wearing time depends on how long it's been since you completed orthodontic treatment. In the first 3 to 6 months after braces or aligners are removed, you should wear your retainer full-time, except while eating or brushing. This ensures your teeth settle properly.
After this initial period, you typically shift to wearing the retainer only at night, often for several years. Some dentists even recommend wearing it a few nights a week to prevent any shifting over time.
Failing to wear your retainer as directed can lead to an orthodontic relapse (where your teeth revert back to their former position), potentially undoing months or years of orthodontic progress. That’s why wearing your retainers regularly is essential to keeping your smile in shape!
Preserve Your Results with Smilepath Retainers
After all the time and effort spent straightening your teeth, a high-quality retainer is essential to keep your smile in place. That’s where Smilepath retainers come in.
Our custom retainers are designed to be:
- Comfortable and nearly invisible
- Durable for long-term use
- Affordable without sacrificing quality
- Backed by dental experts for a reliable fit
Whether you're finishing aligner treatment or replacing an old retainer, Smilepath makes it easy to protect your progress. With fast delivery and a seamless ordering process, you can maintain your results stress-free.
Bonus Retainer Cleaning Tips
To keep your retainer safe and effective:
- Be sure to keep it in a protective case whenever you're not wearing it.
- Label your case (especially for kids or shared bathrooms)
- Make sure to clean your retainer case once a week using warm, soapy water.
- Keep a backup retainer if you’re prone to losing things
And here’s what to avoid:
- Never use toothpaste or bleach
- Don’t use alcohol-based mouthwashes
- Don’t leave it exposed to the open air or wrap it in tissue (you will accidentally toss it!)
Protecting Your Smile for Life
When you know how to clean retainers properly, the results of your braces or aligners can last a lifetime, and with only a few minutes of your day, you can avoid bad breath, oral infection, and orthodontic problems.
If you follow the best retainer cleaning methods, whether using a store-bought retainer cleaner or a DIY solution like vinegar and baking soda, you will keep your retainer clean! And remember, it doesn’t matter if you are using your retainer full time or just when you sleep, daily retainer maintenance is as necessary for retainers as brushing your teeth.
So keep your retainer clean, your smile aligned, and your confidence beaming!
FAQs
Rinse daily, brush gently with a soft toothbrush, and deep clean weekly using vinegar, baking soda, or a retainer cleaner.
Clean your retainer daily and give it a deeper clean at least once a week.
Citations:
Baltimore, O. (2019, November 21). A Guide to Cleaning Teeth with Braces. Orthodontic Associates. https://orthodonticassoc.com/braces/guide-cleaning-teeth-braces/
Marcin, A. (2019, March 8). How to clean each type of retainer. Healthline. https://www.healthline.com/health/dental-and-oral-health/how-to-clean-retainers