Do You Need to Use Tablets with an Ultrasonic Cleaner?

Published on  | Annadin Sorbito | Time to read 6 min
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Using an ultrasonic cleaner retainer system has become one of the most efficient ways to clean dental appliances like aligners, mouthguards, and retainers. These devices use high-frequency sound waves to generate microscopic bubbles that scrub away plaque and grime. But if you’re wondering whether ultrasonic cleaner tablets are necessary, you’re not alone.

Many users ask: Can I just use water in the ultrasonic cleaner? Or do I need to use tablets too? The short answer: for best results, you should use ultrasonic tablets with your cleaner. Let’s break down why.

Using tablets isn't optional—it’s what makes your cleaner effective.


How Does an Ultrasonic Cleaner Retainer Work?

An ultrasonic cleaner retainer machine uses ultrasonic waves to agitate water. This creates millions of tiny bubbles that collapse and dislodge particles from your retainer’s surface. It’s a gentle but powerful method of cleaning that doesn’t require harsh scrubbing or brushes.

The cleaner itself handles physical debris, like:

  • Plaque buildup

  • Food particles

  • Dried saliva

However, ultrasonic waves alone won’t kill bacteria or remove odors. That’s where ultrasonic cleaner tablets come in.


What Are Ultrasonic Cleaner Tablets?

Ultrasonic cleaner tablets are specialized dissolvable tablets designed to work alongside ultrasonic vibration. They contain cleaning agents—often persulfate-free—that:

  • Kill odor-causing bacteria

  • Lift stains

  • Freshen your appliance

  • Extend the life of your retainer

They’re different from standard denture tablets. Many ultrasonic tablet options are created specifically for clear plastic retainers and aligners, making them safe and effective.

Without a tablet, you’re only cleaning the surface—not disinfecting.


Do You Have to Use Tablets?

Technically, your ultrasonic cleaner will still operate with just water. It will loosen surface grime and give the impression of a clean retainer. But if you want:

  • Real antibacterial results

  • A fresh taste and smell

  • Protection from biofilm buildup

Then yes, you need to use ultrasonic cleaner tablets. Water alone won’t remove harmful microorganisms that live on your retainer.

Think of it like washing dishes—water rinses, but soap disinfects.


What Happens If You Don't Use Tablets?

If you skip using tablets with your ultrasonic cleaner retainer, you may notice:

  • Lingering odors

  • Yellowish stains over time

  • Bacteria and plaque returning quickly

  • Increased risk of mouth irritation or bad breath

That’s because ultrasonic waves can’t kill bacteria on their own. A retainer may look clean but still carry microbes unless chemically disinfected.

The cleaner works best when paired with the right ultrasonic tablet.


Benefits of Using Ultrasonic Cleaner Tablets

Using ultrasonic cleaner tablets with your device brings the clean to a whole new level. Here's why people who use them don’t go back to just water:

1. Better Hygiene

Tablets break down biofilm and kill bacteria, leaving your retainer safer to wear.

2. Fresher Breath

They help remove odor-causing germs that linger in plastic retainers.

3. Stain Removal

Discoloration from coffee, tea, or food is easier to lift with a good ultrasonic tablet.

4. Convenience

Most tablets dissolve fast, so your retainer is clean in just 5–10 minutes.

A tablet turns a quick rinse into a deep clean.


Can I Use Denture Tablets Instead?

It’s tempting to grab a pack of denture tablets from the drugstore—but proceed with caution. Many contain harsh chemicals like bleach or abrasives, which may:

  • Damage your plastic retainer

  • Cause allergic reactions

  • Interfere with the ultrasonic process

Look for ultrasonic cleaner tablets specifically formulated for retainers and aligners. Bonus points if they are persulfate-free—safer for sensitive mouths.

Only use tablets labeled for aligners or ultrasonic cleaner use.

Shocking Risks of Dirty Retainers: Could Your Neglect Lead to Serious Health Issues?

Skipping regular retainer cleaning can turn it into a breeding ground for harmful bacteria, leading to infections, Bad breath, and even damage to your teeth and gums. This isn’t just about hygiene—it’s about protecting your health. Don’t wait until it’s too late.


How to Use Tablets with Your Ultrasonic Cleaner Retainer

Using ultrasonic cleaner tablets is simple. Here’s how to make them part of your daily cleaning routine:

  1. Fill your ultrasonic cleaner with warm (not hot) water.

  2. Drop in one ultrasonic tablet.

  3. Place your retainer in the cleaner basket.

  4. Turn on the device for 5–10 minutes.

  5. Remove the retainer and rinse thoroughly before wearing.

This easy habit keeps your retainer looking brand new and germ-free.


How Often Should You Use a Tablet?

Ideally, use ultrasonic cleaner tablets daily—especially if you wear your retainer overnight. At a minimum, use them 3–4 times a week to prevent buildup and bacteria from accumulating.

Remember, water-only cycles are great for a quick refresh, but they won’t kill bacteria or remove stains over time.

Regular tablet use keeps your mouth and retainer healthy.


Final Thoughts

An ultrasonic cleaner retainer system is one of the best ways to care for your aligners, retainers, and mouthguards. But it’s only half the equation. To get the full cleaning, disinfecting, and deodorizing effect, you need to use ultrasonic cleaner tablets regularly.

  • Water alone can’t kill germs

  • Tablets remove odor and bacteria

  • You get a deeper, safer clean with both

Your retainer deserves more than just water—give it the clean it needs.


Summary

  • Ultrasonic cleaner retainer devices work best with ultrasonic cleaner tablets

  • Tablets clean, disinfect, and deodorize

  • Water alone won’t remove bacteria or odors

  • Use tablets daily or a few times a week

  • Avoid denture tablets—stick with aligner-safe options

  • Tablets make ultrasonic cleaning more effective and safer

Make the most of your ultrasonic device by adding the power of the right ultrasonic tablet.

Disclaimer:

The content in this article is for informational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider before making any changes to your health regimen. The author and publisher do not take responsibility for any consequences resulting from the information provided in this article.

Meet Dr. Jessica Cohen

Dr. Jessica Cohen, DMD, MS is a Board-Certified Orthodontist serving the Deerfield area with over a decade of experience. As a devoted mom to three girls — Scarlett, Shiloh, and Schuyler — she knows the value of creating a warm, welcoming environment for patients of all ages. Passionate about crafting confident, healthy smiles, Dr. Cohen blends science and artistry through her background in studying the esthetics of beauty pageant winners. She proudly recommends Weiss Naturals Persulfate-Free Retainer Cleaner tablets by B. WEISS to her patients — and even her own kids use it daily— for its gentle yet effective formula that keeps retainers fresh without harsh chemicals. It’s her trusted solution for safe, everyday care.

Meet Dr. Jessica Cohen

Dr. Jessica Cohen, DMD, MS is a Board-Certified Orthodontist serving the Deerfield area with over a decade of experience. As a devoted mom to three girls — Scarlett, Shiloh, and Schuyler — she knows the value of creating a warm, welcoming environment for patients of all ages. Passionate about crafting confident, healthy smiles, Dr. Cohen blends science and artistry through her background in studying the esthetics of beauty pageant winners. She proudly recommends Weiss Naturals Persulfate-Free Retainer Cleaner tablets by B. WEISS to her patients — and even her own kids use it daily— for its gentle yet effective formula that keeps retainers fresh without harsh chemicals. It’s her trusted solution for safe, everyday care.