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

Only Buy The Feno Smartbrush from Official Channels — Watch Out for Imitation Sites

Read more
chronic sinusitis bad breath | 5 min read

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

Read more
acid reflux tongue | 4 min read

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

Read more
bad breath anxiety | 5 min read

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

Read more
alkaline water bad breath | 5 min read

Does Alkaline Water Help Bad Breath? What Science Actually Says

Read more
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 dry, flaking eczema and irritated skin around the mouth and lips.

Eczema and Oral Health Connection: Inflammation, Dry Mouth & Gum Risk

1 min read
Caregiver in a white coat helps an older patient use a nebulizer mask during COPD treatment at home.

COPD & Oral Health: How Breathing Easier Starts with Your Mouth

1 min read
Person in red shirt touching their throat over the thyroid area against a dark background.

Thyroid Disorders & Oral Health: The Overlooked Connection

2 min read
Person in white shirt clutching chest and stomach, grimacing from acid reflux discomfort.

Reflux (GERD) & Oral Health: Acid Damage You Can't Ignore

3 min read
Person with white hair sits on a bed edge clutching their lower back, illustrating osteoporosis back pain.

Osteoporosis & Oral Health: How Bone Loss Impacts Your Teeth

2 min read
Person in athletic wear drinking water outdoors, illustrating hydration's role in oral health.

Hydration & Oral Health: Why Water Is Essential for Your Smile

2 min read
Chest X-ray on a hospital monitor as a masked clinician tends a patient in the ICU.

Pneumonia & Oral Health: The Dangerous Link

1 min read
Person holding a thermometer with a hand on the forehead, unwell in bed during cold and flu season.

Cold & Flu Season & Oral Health: How to Protect Your Teeth When Sick

3 min read

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

2 min read

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

The latest news and stories delivered right to your inbox

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