Search  for anything...

iSonic F3900 Ultrasonic Denture/Aligner/Retainer Cleaner for All Dental appliances (Machine Only)

  • Based on 5,574 reviews
Condition: New
Checking for the best price...
$39.99 Why this price?
Save $10.00 was $49.99

Buy Now, Pay Later


As low as $9 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Sunday, Aug 30
Order within 2 hours and 30 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Size: 1


Features

  • Powerful Ultrasonic Cleaning: 42 kHz ultrasonic action helps remove buildup, stains, and odors from retainers, aligners, dentures, and mouth guards
  • Designed for Dental Appliances: Ideal for cleaning retainers, aligners, dentures, night guards, mouth guards, and small jewelry items
  • Compact and Easy to Use: One-touch operation with 5-minute automatic shutoff. The 200 ml stainless-steel tank fits everyday dental appliances while staying quiet and leak-free
  • Reliable Everyday Design: Hard-wired construction with non-removable tank helps improve durability and minimize leaks over time
  • Compatible with Ultrasonic Cleaning Tablets: Works with iSonic CTAR01 cleaning tablets for enhanced cleaning performance

Description

Cloudy retainers. Stubborn buildup. Dentures that never feel truly clean. Scrubbing and soaking only reach the surface — while hidden crevices trap stains and residue. 42 kHz ultrasonic waves send microscopic bubbles into every curve, lifting debris without scratching. A polished stainless steel tank keeps things hygienic, and double-tap to start the automatic 5-minute cycle. No scrubbing. No guessing. Just a deeper clean in minutes — so you can start and end your day feeling fresh. Ultrasonic energy dives into fine grooves and textured surfaces, loosening buildup brushing can’t reach. No harsh scrubbing. No worrying if you cleaned enough. Just a smoother, fresher feel every time you wear them. Whether it’s clear retainers or aligner trays, the 42 kHz cavitation lifts cloudy film without warping or scratching plastic. Remove lingering smells, stains, and stubborn residue — and embrace a clear, confident smile. Night guards, whitening trays, and even small jewelry get an effortless deep clean. Every piece gets the same thorough treatment, giving you a consistently fresh routine from top to bottom. The 200 ml stainless steel tank is perfectly sized for dentures, retainers, and aligners, delivering deep cleaning without taking over your space. A hard-wired, leak-free design means fewer worries, less maintenance, and dependable performance, day after day. Add tap water to the stainless steel chamber. For tougher stains, drop in your preferred denture or retainer cleaning tablet. Set dentures, aligners, or guards in the included tray. The ultrasonic waves will reach every corner automatically — no brushing required. Touch-sensing control begins a 5-minute cycle with blue LED illumination. No settings to adjust. No timers to watch. When the cycle ends, simply rinse your appliance and let it air dry. Enjoy a cleaner, clearer fit with almost no effort. Battery-operated sonic cleaners and manual brushing can only do so much. This AC-powered ultrasonic cleaner delivers 42,000 vibrations per second to reach deeper, clean faster, and remove buildup more effectively — all without scrubbing, scratching, or harsh chemicals.

Product Dimensions ‏ : ‎ 7.1 x 5 x 5 inches; 2 pounds


Item model number ‏ : ‎ F3900


UPC ‏ :


Manufacturer ‏ : ‎ iSonic


Best Sellers Rank: #21,571 in Health & Household (See Top 100 in Health & Household) #44 in Denture Cleansers


#44 in Denture Cleansers:


Customer Reviews: 4.2 4.2 out of 5 stars (5,574)


Brand Name: iSonic


Product Benefits: Deep cleans dentures, aligners, retainers, night guards, mouth guards etc.


Model Number: F3900


Model Name: isonic_f3900


Manufacturer: iSonic


UPC: 662712236087 804879261940


Global Trade Identification Number: 40


Included Components: plastic tray, sample iSonic White denture cleaning crystal, iSonic AlignerClean


Item Weight: 2 pounds


Manufacturer Part Number: F3900


Power Source: Corded Electric


Additional Features: Timer


Unit Count: 1 Count


Item Dimensions: 7.1 x 5 x 5 inches


Tank Volume: 0.2 liters


Recommended Uses For Product: Daily Cleaning, Deep Cleaning


Target Use Body Part: Teeth


Color: Machine Only


Material Type: Electronics, Plastic, Stainless Steel


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Removed 1.5 Years of Calculus in Just Two Cycles
Size: 48
This little ultrasonic cleaner really works. It removed all the dental calculus that had built up on my retainer over the past 1.5 years. After just the second cleaning cycle, the buildup fell right off. I ran it for the 3rd time to get a complete clean up. I used the iSonic F3900 Ultrasonic Denture Cleaner along with one box of ultrasonic cleaning tablets, and I'm very happy with the results. ... show more
Reviewed in the United States on July 12, 2026 by Kybor Voh

  • Works well, exactly as advertised
Size: 1
I was worried about the noise level, but it's not that noisy after all (it's quieter than my fridge!) I'm using it twice a week to clean my nightguard, and it seems to work well to remove the mineral deposits.
Reviewed in the United States on July 23, 2026 by Fluffy Bunny

  • Good cleaner
Size: 1
Works well, cleans impeccably, however after a year, the off bottom no longer works, it must be unplugged to stop. Just something to note for the longevity of it.
Reviewed in the United States on June 18, 2026 by Raycy Rousseau

  • Great while it lasts!
Size: 1
This product works great. All of us use it in our house for cleaning clear retainers. It cleans them really well and they look good as new. We've had the device for two years and suddenly it just stopped working. The blue light comes on but no cycle runs. I did just notice other reviewers that said the same thing. I will purchase another one because we love how it works, but the life cycle is unfortunate. Hoping it lasts longer this time around. ... show more
Reviewed in the United States on October 28, 2024 by Jennifer Searing

  • Excellent product to clean dentures
Size: 1
Excellent, wish ing dish slide out for easier emptying. But does a great job in 5 minutes.
Reviewed in the United States on July 23, 2026 by alison s.

  • Defective product that short-circuited after six months of use/Manufacturers were extremely rude
Size: 1
I used this product for six (6) months after purchase and everything was going smoothly until about a week ago when I plugged it in and after about 15 seconds the machine short-circuited and there was a burning smell. I quickly unplugged the device and inspected it to see if water was on the cord or plug and confirmed that it was as dry as a bone. I then followed up with Amazon to see if any other people had such issues and found out that the product was defective. Amazon provide me with the manufacturer's phone number and email (Phone: (847) 850-0404 Email: [email protected]) and I followed up with them directly. Right away I was met with hostility, which was alarming because I actually really liked the product and notice that it did make a difference in cleaning my MRD that I use for sleep apnea. Nevertheless, I informed them that I just want to replace the product for another as this model is obviously defective; the gentleman on the phone became argumentative and said that there's no way that the product is defective. Rather than argue with him I asked if I could just ship the product to them so they can inspect it. The representative on the phone told me that I would have to pay for the shipping to the manufacturer. As I'm an Amazon Prime member and am accustomed to Amazon providing pre-paid shipping labels for product returns I asked if the manufacturer would be doing the same. The representative's response was a vociferous "No." I then asked why the policy is different than Amazon's and he said that I should talk to Amazon about it and he then swiftly hung up on me. I've never had such terrible service in my entire life and I will never make any purchases from this manufacturer ever again. ... show more
Reviewed in the United States on March 20, 2019 by Brandon S. Bruce

  • Surprisingly effective and still going strong after years
Size: 1
Probably one of my favorite and most used products I’ve ever purchased. I know this is a late review, but I’ve had it for several years now and still use it regularly for my Invisalign retainers. It works exactly as expected and has held up really well over time. The first time I used it, I was honestly shocked at how much buildup it removed. I thought my retainers were already clean, but this showed me otherwise. Since then, it’s become part of my routine and keeps everything feeling fresh. Super easy to use, reliable, and definitely worth it if you wear retainers or any similar dental appliances. ... show more
Reviewed in the United States on April 20, 2026 by Ralph J

  • Great buy
Size: 1
Don't waste your money on the expensive ultrasonic cleaners. I spent $100 on one and it broke the second time I used it. This model is cost effective and works well for my aligners. I would definitely recommend.
Reviewed in the United States on July 22, 2026 by Jameika

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...