Upgrade Your Oral Health - HSA/FSA Eligible
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Only Buy The Feno Smartbrush from Official Channels — Watch Out for Imitation Sites

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chronic sinusitis bad breath | 5 min read

Can Chronic Sinus Issues Cause Bad Breath Even With Good Oral Hygiene?

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acid reflux tongue | 4 min read

Baking Soda and Tongue Coating: Could Silent Reflux Be the Hidden Connection?

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bad breath anxiety | 5 min read

Halitosis vs Halitophobia: Understanding the Difference Between Bad Breath and the Fear of Bad Breath

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alkaline water bad breath | 5 min read

Does Alkaline Water Help Bad Breath? What Science Actually Says

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U-shaped smart toothbrush on a charging base marked with a red FAKE ALERT stamp.
Profile silhouette with an MRI scan revealing sinus and nasal cavities behind bad breath.
White baking soda powder pouring into fizzing water, illustrating a pH-neutralizing reaction for reflux relief.
Anxious person covering mouth alone at a busy cafe, illustrating fear of bad breath.
Glowing water droplet holding a DNA helix, illustrating alkaline water and bad breath science.

Feno latest

Profile silhouette with an MRI scan revealing sinus and nasal cavities behind bad breath.

Can Chronic Sinus Issues Cause Bad Breath Even With Good Oral Hygiene?

5 min read

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Feno U-shaped smart toothbrush with mint foam and tongue scraper on a dental counter.

Dental Hygiene Hacks That Actually Work, According to Research

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Metabolic Syndrome and Oral Health: The Inflammation Connection

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Gum Disease and Alzheimer's: What the Research Says About Oral Bacteria and Brain Health

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Oral Care Tips Most People Don't Know (But Should)

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Close-up profile of a person breathing into cupped hands to check breath.

Do People with Autism Have Weaker Teeth? What the Research Actually Shows

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Stressed person splashing water on their face at a dim bathroom sink at night.

Can Stress Damage Your Teeth And Your Brain? What Research Says About Oral Health and Cognitive Decline

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Feno U-shaped smart toothbrush with digital display on a marble bathroom sink.

Why Building Habits Is Harder for ADHD and Autistic Brains (And What Actually Helps)

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Person leaning over a marble bathroom sink beside a crystal glass of water and foggy mirror.

Autism and Dental Health: What's Connected and How to Make Oral Care Easier

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Other news

Person in bed at night clutching chest, showing acid reflux discomfort that can cause bad breath.

Acid Reflux and Bad Breath: Why GERD-Related Halitosis Needs More Than Mouthwash

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Founders spotlight

Feno founder smiling while seated in a bright, modern office hallway.

We founded Feno to revolutionize dental care, understanding the vital connection between oral and overall health.

Seeing how closely our oral health ties to our overall well-health, I started Feno to use technology to make dental care smarter and keep you healthier.

Feno u shaped smart toothbrush with digital display showing the time, standing upright.

Let’s stay connected

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The Founder’s Edition Bundle:

Your Complete Oral Care Kit

Feno smart U-shaped toothbrush bundle with foam bottles, charger, and connected phone app.

1 Feno Smartbrush™

Includes the Smarthandle and Snap Charger

1 TrueFit Mouthpiece™

Sized for your comfort and dental arch

3 Tubes Feno Foam

Xylitol foaming toothpaste

1 Month Feno Plus

Oral Health Insights & Connected Dentist

Shop Now for $299