Upgrade Your Oral Health - HSA/FSA Eligible
1 min read

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

More in the news...

Distressed person sits on a messy bed at 3:42 am, head in hands, unable to sleep.

The Hidden Ways Poor Oral Health May Be Hurting Your Mood and Mental Health

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Dental exam showing inflamed gums and tartar buildup, early signs of gum disease.

Your Gums Matter More Than You Think

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Hand reaching for a U-shaped toothbrush on a nightstand at bedtime before brushing.

Oral Health Habits You Should Never Skip

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Dentist examines a patient's open mouth using a mirror and probe during a checkup.

Oral Health Myths That Are Keeping You From Better Dental Care

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Hourglass with tartar-like buildup draining into a red anatomical heart, illustrating gum disease heart risk.

Does Tartar Go Straight to the Heart?

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Close-up of a person clenching teeth and gripping their jaw in dental pain.

When Dental Problems Start Feeling Out of Control

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Endodontist using a file on a molar isolated by a blue rubber dam during root canal.

Strange Sensations During a Root Canal: What Causes That Electric or Shock-Like Feeling

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Gloved dentist points at a wisdom tooth on a panoramic dental X-ray lightbox.

Can Wisdom Teeth Cause Brain Fog or Dizziness? What the Evidence Says

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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