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

More in the news...

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Supporting Oral Health with Cognitive Changes After Stroke

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Person frowning while brushing teeth with a manual toothbrush, illustrating oral care difficulty after stroke.

Oral Neglect After Stroke: Understanding and Managing This Challenge

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Speech therapist in mask guides an older stroke patient through oral apraxia jaw exercises.

Managing Oral Apraxia After Stroke

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Older person brushing teeth one-handed with a blue toothbrush after stroke.

Brushing and Flossing with One Hand After Stroke: Essential Tools and Techniques for Better Oral Health

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Person wincing while brushing teeth with an electric toothbrush, showing gag reflex discomfort.

Managing Oral Health with a Weakened Gag Reflex

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Person examining a stainless steel tongue scraper, a tool for post-stroke oral hygiene.

Caring for Oral Health After Stroke: Managing Reduced Tongue Mobility

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Person holding dental floss, wincing and covering mouth, illustrating ADHD-related dental anxiety and avoidance.

From Forgetting to Floss to Avoiding the Dentist: ADHD's Impact on Your Smile

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Person with one-sided facial drooping showing facial weakness after stroke, against a teal background.

Facial Weakness and Oral Health After Stroke

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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