Upgrade Your Oral Health - HSA/FSA Eligible
360 U shaped toothbrush head with dense bristle rows for full-mouth cleaning and gumline coverage in seconds.
U shaped tooth brush with 18,000 bristles and personalized mouthpiece for fast, thorough cleaning and gumline stimulation.

Full coverage • Soft bristles • Right-sized for comfort

TrueFit Mouthpiece™

$29

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Elevate your oral hygiene with the Feno TrueFit™ Mouthpiece. Its 18,000 ultra-soft bristles and adaptive design offer a complete clean, brushing your teeth surfaces simultaneously. For optimal performance, replace the TrueFit Mouthpiece every three months.

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Important: This is a refill item and includes the TrueFit Mouthpiece head only. The Smarthandle and Snap Charger are not included. To purchase the full set, please visit our bundle page.

Product Details

Introducing the TrueFit Mouthpiece, a cornerstone of Feno's complete oral care solution. The TrueFit Mouthpiece features 18,000 ultra-soft nylon bristles affixed to a flexible plate that adapts to your unique dental arch.

The TrueFit Mouthpiece comes in 6 sizes for a personalized full-coverage fit. Find your most comfortable way to clean with the Feno FitKit™ — our proprietary AI-driven app that measures your unique jawline and dental arch to pair you with the right sized mouthpiece.

Shipping

Free shipping within the USA. See more info in checkout.

feno mouthpiece

A Perfect Fit,Powered by AI

The TrueFit Mouthpiece comes in 7 sizes, each with 18,000 ultra-soft bristles on a flexible plate that adapts to your unique dental arch. Scan your mouth with the Feno app after purchase to get matched to your perfect size.

Up to 99% Coverage

The TrueFit Mouthpiece gets into tight, hard-to-reach areas to remove plaque.

20 Seconds

The full-mouth design can simultaneously clean all accessible teeth surfaces.

250 Strokes

The TrueFit Mouthpiece delivers 250 strokes per cycle for a rapid clean.

Plaque Removal

in just 20 Seconds:

The Results Speak for Themselves

With electric toothbrush

With electric toothbrush

Even when using the most advanced electric toothbrushes, people often miss areas of the mouth or brush inconsistently and not long enough — all of which adds up to plaque build-up.

With Feno Smartbrush™

With Feno Smartbrush™

The Feno Smartbrush significantly reduces the likelihood of human error, achieving near-complete plaque removal and a consistent full-mouth clean in just 20 seconds.

Order Now, Pay Later

I am very happy with my Feno Smartbrush! I really love the efficiency, how clean my mouth feels, and best of all good dental check ups!

Amy

Real customer

I absolutely love my Feno. My teeth have never been so thoroughly brushed! My dentist loves how my teeth have been looking and I will continue to use Feno as long as they're around!

Tony

Real customer

The Smartbrush has been a game-changer for me. My dentist commented on how great my teeth and gums are looking. It's so easy to use and makes my routine a bit easier.

Meghan

Real customer

Feno does not guarantee results. This is an example of one person's experience with plaque removal during our product testing.

What people are saying