If your Mouthpiece doesn’t feel right, don’t worry — let’s make sure it’s seated and positioned properly before assuming there’s an issue with the fit.
✅ First, try this:
Watch our quick video on how to insert and adjust your Mouthpiece:
🎥 Watch the how-to video
Key tips:
Gently place the Mouthpiece in your mouth while the device is off
Bite down softly — enough to hold it in place, not to squeeze it
Wiggle your jaw slightly to ensure bristles make contact with all your teeth
⚠️ Still not fitting comfortably?
If the Mouthpiece:
Feels too large or small
Won’t sit evenly
Causes discomfort during use
Please stop using the device and contact us at support@feno.co. We’ll help troubleshoot!
Your comfort (and smile) matters to us.