Custom Soft Night Guard


Protect Your Teeth From the Grind

We understand the short and long term effects of teeth grinding and clenching (bruxism). Teeth wear, cracks, chips and sensitivity don’t just happen overnight but once it begins, costly dental repair is needed. That’s why we’ve designed a night guard that’s both effective and comfortable. Our Soft Custom-Fit Night Guard is made to fit your teeth like a glove, providing a secure fit that you’ll look forward to sleeping with. It’s so comfortable, you’ll forget you’re wearing it!

Saving your teeth and your pocketbook

Ask any dentist- there is simply nothing better to eat, laugh, talk and chew with than natural teeth. With Sentinel Mouthguards, your teeth are comfortably protected and your tooth structure stays preserved.

Your soft night guard won’t interfere with your speech or breathing, and it’s easy to clean and maintain. Plus, it’s free of BPA and other harmful chemicals so you can be sure you’re using the safest product available.

Experience the difference in just three simple steps:

easy 3 step process to receive your custom night guard


Create a custom dental impression from the comfort of your home with Sentinel’s all-in-one kit including plastic trays, dental putty, and prepaid envelope – with a step-by-step instructional video, getting the perfect mold of your teeth has never been easier!

  • Prevents teeth from grinding and clenching
  • Instant relief from grinding/clenching symptoms such as face and jaw pain, headaches, and teeth sensitivity
  • Protects teeth from chipping, cracking
  • Prevents pain or tenderness in the TMJ
  • Promotes better sleep and improved oral health
  • Made in the USA with the safest materials
  • Peace of mind with our 30-day money-back guarantee and 6-month replacement warranty if you grind or wear through your guard
  • All-inclusive free shipping in the USA (international orders are responsible for shipping on the return mailer only)

Expert Fit by Professional Lab Technicians

At Sentinel Mouthguards, we’re committed to providing our customers with the best possible products and service. Our team of dental professionals has years of experience in helping patients find relief from teeth grinding and clenching, and we’ve used that expertise to create a night guard that’s both effective and affordable.

Product Description

Teeth Protection from Grinding and Clenching

Ideal for: light/moderate/heavy teeth grinding and clenching

(Choose your thickness based on your level of grinding/clenching intensity)

The Sentinel Soft Custom Dental Night Guard was designed for comfort, with flexibility above and beyond the Sentinel Dual-Laminated and Hard Night Guard models. Our high polishing system and thin design ensures supreme comfort. The most popular type made in dental offices!

How does it work?

We’ll mail you an impression kit with everything you need to take a perfect dental impression. Simply mix the putty and place it in the tray, take your own impression, and send it back to us in the prepaid envelope. We’ll fabricate your custom night guard within 3-4 business days of receiving your impression. It’s easy, convenient, and all-inclusive with free shipping.

What you’ll get:

  • A complete impression kit with instructions and prepaid return mailer
  • (1) soft custom dental night guard
  • Breathable retainer case
  • Fast all inclusive FREE shipping


We Are Honored to Be Forbes 2023 Best Night Guard Pick

soft night guard forbes health best of 2023

Not sure which guard is right for you? Get expert guidance with our 60 second quiz!

find your night guard match now graphic

Our Commitment To You

At Sentinel, your satisfaction is our top priority. That’s why we offer a unique warranty and return policy that stands out from the rest. If you’re not completely satisfied with your custom-fit dental guard, simply contact us within 30 days for a full refund or work with us until you get a great fitting guard that leaves you waking up with a smile. With Sentinel, you can trust that our commitment to your satisfaction is 100%.

Need additional help? Visit our help center

Say no to shortened, cracked teeth and hello to a healthy smile!

sentinel mouthguards flat teeth from grinding graphic


Wake up Smiling or Your Money Back

Located in St. Petersburg, Florida, we specialize in custom night guard and mouth guard manufacturing.  All of our products are made in the USA by professional lab technicians. We guarantee:

  • 100% satisfaction. We stand behind our products and will provide you with nothing less than our personal best from our long-standing team.
  • 30 Day Satisfaction Guarantee. If you don’t like your custom night guard, let us know within 30 days and we’ll either continue to work with you to get it right or we will refund you in full.
  • 6 Month Warranty. If you break or grind through your night guard within 6 months of purchase, we’ll replace it for you free of charge.

Have some additional questions about ordering your night guard?  We’ve got you covered. Your most FAQ’s about night guards for teeth grinding.

Need additional help? Visit our help center







Additional Information

Product Reviews

  • Scott Maguire

    BEST NIGHT GUARD EVER!! I have always hated wearing night guards but my teeth hurt so badly if I go any amount of time without wearing them. I have searched and tried many different types including the ones from the dentist, the cheapo ones from Walgreens and even the front bite ones. I was displeased with all of them. Then I found Sentinel. This soft guard is not big and bulky yet it feels protective and so comfortable. As long as I’m grinding my teeth, Sentinel will be my go-to.

  • Eric Castillo

    I bought this on Amazon and I’m so impressed by this company. My teeth impression kit was delivered within 1 day (granted I do have Amazon Prime). I took the impression, mailed it off and just a few days later, I received my custom made night guard. High quality product, fits like a glove and FAST DELIVERY. I would highly recommend Sentinel Mouthguards.

  • Katherine Dominguez

    My mouth guard was delivered last week. I’ve been wearing it every night and my morning headaches and sore jaw are gone! I’m amazed out how easy it has been to get used to sleeping with it in every night. I used to wear a cheap one from CVS and I dreaded putting it in. The custom molding makes all the difference. Anyway, just wanted to say THANK YOU!

  • William Joyner

    We have used this product for several years and I can attest the consistency and quality. They’re hundreds of dollars less than my dentist and when I showed him my guard he was impressed with it! My wife has had hers for years now and it’s still holding up. Truly a great product.

  • Tamiya


    Received this a few months ago and waited to write a review. The night guard is well-made and much more comfortable than I anticipated. I wore the cheapy boil & bites before this and what a difference! I’ll never go back! My jaw feels great and if I don’t wear it, I notice it immediately the next day. Great job!

  • Stephanie Swan

    Fast delivery and my new mouth guard fits like a dream! I’m sleeping through the night with it (something I could never seem to do with my other ones) and waking up without headaches and jaw pain. Can’t thank you enough! Terrific service!

  • Jim Conner

    You have been one of the best customer service experiences I have had. And your products are amazing. The whole user / client / customer experience is incredible. I’m sorry my situation didn’t work out. But I am glad my girlfriend will be able to continue to support and use your services.
    All the best to you!

  • Marie Jernigan

    Truly great service at a great price! Well packaged box with clear instructions for taking my teeth impression.
    The mouth guard arrived about a week after I sent my impression off. Looks and fits extremely well. Couldn’t be more pleased *****
    How do I upload a picture? Thanks, Marie

  • Tara

    Better than my dentist’s guard! The process was easy, customer service was great and when I messed up my impression (and used the extra putty they provided), they still sent me another kit for free! I got the medium thick guard for moderate teeth grinding and my teeth feel protected, Very comfortable, well-made night guard!

  • Judy W.

    Love the flexible, soft material. The cushioning feels good in my mouth and the fit is spot on. I was skeptical about ordering because I just can’t stand anything in my mouth but I can definitely tolerate this! Thank you Sentinel! You have won yourself a fan from Wisconsin!

  • Don K.

    I had this from the dentist the first time, then bought it here, it’s the exact same product but it’s way cheaper here than it is at the dentist. You need to make sure you take a good teeth impression but once you have it, this product is amazing.
    I wear this nightly and the material quality is very good.
    Product is affordable and easy to use.

Free Shipping

We ship your kit with everything you need from the molding trays and putty to the prepaid return packaging.

30 day guarantee

Try it out! If you’re not satisfied, you can always return the Mouthguard within 30 days for a full refund.

Save 20%

By entering coupon code "big spender", you save 20% on orders over $200.