Customer ratings & reviews

I love this guard. It fits perfectly. I can't sleep without it and it's helped my TMJ tremendously. Thank you! -Arthur

Love it. Have stopped teeth from damaging my tongue.

Completely relieved my sore jaw. I wear this during the day because I clench my teeth while sitting at my computer. It's comfortable and I can talk with it in.

Love the glow in the dark case! Opened my mail in a dim lit room and the little box was glowing back at me! Perfect fit. Terrific experience!!

AMAZING TO WEAR NIGHT AND DAY!! Great product! I definitely recommend this to anyone looking for a high quality retainer without the high cost. Easy to wear. I wear this pretty much all the time except when I'm eating or drinking. I want another one for travel!

Insurance wouldn't cover my nightguard through my dentist. Read an article online and found Sentinel through the article. So happy I did! I paid a fraction of what my dentist wanted to charge me. Happy customer!

Worth every penny! I do all my shopping online already as it is so why not a night guard. Thank you for the great nightguard

I've found the company I was looking for! I went through my dentist at first and it was a horrible experience. I have had bruxism for years due to stress and the mouthguard he made me cut my gums. He tried to "fix" it but it was still awful. The difference between this mouthguard and the one I received from him is incredible. The material quality, the fit, everything is sooo much better. Thank you for offering this to people and doing a BETTER JOB THAN THE DENTIST!

Top notch service and outstanding, high quality product! I love your night guards and they have saved my life! I was spending so much unnecessary money at the dental office and then when I couldn't afford that, I went to the drugstore options. Ugh! So happy that you have an affordable option that LASTS! Love you guys!

Spoke with Alexandra and she was very helpful and recommend that a ask for some extra putty!!