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...

Close-up of a person's lower face showing subtle smile lines around the mouth.

The Hidden Cause of Smile Lines: Why Your Toothbrush May Be Aging Your Face

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Person pouring berry juice into a blender of fruit for a morning breakfast smoothie.

Morning Sugar Timing: How Breakfast Smoothies Trigger Maximum Inflammation

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Person in white robe applying face cream from a jar, illustrating skincare after 40.

The Overlooked Reason Your Skincare Stops Working After 40: Your Dental Microbiome

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Person in white robe and hair towel checking facial skin for signs of aging in mirror.

The Hidden Collagen-Destroyer in Your Mouth: What You Need to Know

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Golden honeycomb pieces oozing raw honey on a wooden board over rustic table.

Honey vs. Sugar: Which One Is Better For Your Oral Health?

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Person sipping morning coffee in bed, illustrating how coffee can stain teeth over time.

Coffee Lover's Guide: The 30-Second Morning Trick to Prevent Stains

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Close-up of an adult mouth showing crowded, shifted teeth and visible misalignment.

Adult Teeth Shifting Leads To These 5 Serious Health Problems

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Close-up of a green eye with a red, swollen lower eyelid signaling infection.

Eye Swelling and Vision Loss: The Hidden Danger of Untreated Tooth Infections

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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