Trusted by leading health publications

From impression
to a guard that actually fits

No dentist appointments. No waiting room. Just a guard hand-finished to your exact bite and shipped free to your door.

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Place your order & email your scan

Choose your guard and check out. Then email the STL or PLY file from your dentist to info@sentinelmouthguards.com — we’ll confirm receipt and start manufacturing.

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We finish your guard by hand

Your guard goes straight to manufacturing — no impression kit, no waiting. Our technicians hand-trim, shape, and polish it to the exact contour of your bite.

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Protection arrives

Your guard ships free with care instructions and a guard case to keep it safe between nights.

Hand-Finished to Your Bite

Every guard is hand-trimmed, shaped, and polished by our dental technicians after forming the finishing step most online labs skip.

30+ Years in the Dental Lab

Our technicians have been finishing guards by hand for over three decades. That experience is why the fit is right the first time.

Medical-Grade Materials

BPA-free, BPS-free, latex-free, phthalate-free. The same material standards your dentist uses without the dentist markup.

Your Impression, Kept for Life

We keep your dental impression on file. When your guard needs replacing, your next one is made from the same model no new impression kit, no starting over.

Find the guard for what you're going through

Every guard is hand-finished to your exact bite. Start with what's going on.

For night grinders

The Hybrid Guard

4.81(178)
Jaw pain & headaches
Most Popular

Wake up with jaw pain, headaches, or a partner who can't sleep? Our night guards are hand-finished to your exact bite so they stay in and work all night.

$161.50
Get the hybrid guard
Our Commitment to You

The Sentinel Promise

The finishing process is what makes us confident enough to promise this. A guard that's hand-trimmed to your exact bite fits. And a guard that fits doesn't need a guarantee — but we offer one anyway.

100-Night Outcome Guarantee

Sleep on it for 100 nights. If you're not waking up better, return it. A $23 fee covers shipping and materials — everything else is refunded.

Three Attempts to Get It Right

Adjustments, remakes, and one complimentary redo impression kit in any combination. If the fit still isn't right after three attempts, we'll issue a refund minus a $23 fee to cover shipping and impression kit costs. Covered within your 100-night guarantee window.

1-Year Craftsmanship Warranty

Every guard is covered for one year against defects in materials and workmanship — six months on the Comfort Guard. We stand behind what we make.

Real Humans, Real Help

Talk to our dental technicians directly. No scripts, no runaround just expertise.

40,000+
protected smiles

Real reviews from real teeth grinders.

Included with every guard

Hand-finished by dental technicians

Every Sentinel guard is shaped, polished, and inspected by a real dental technician — not a machine, not an overseas lab. It's the finishing step most online labs skip, and it's the difference between a guard that fits and one that ends up on the nightstand.

  • Hand-trimmed to the exact contour of your bite — not machine-cut
  • Hand-polished for smooth, comfortable edges
  • Quality-checked twice before it leaves our lab
  • Direct line to our dental technicians — not a script, not a chatbot
Shop night guards
Sentinel dental technician hand-finishing a custom night guard
Woman using Sentinel night guard at bedtime

The right guard exists for what you're going through

Whether you grind at night, clench during the day, or need to protect your results every Sentinel guard is hand-finished to your exact bite. We'll make it right, or we'll make it again.