Customer ratings & reviews

A++++ Quality is great!

Excellent! I use it every night. Now I can't be without it. 5 stars!!

These are the best retainers I've had for fit and comfort. I have nothing but positives to say. Affordable, very well made and great customer service. *****

BEST MOUTH GUARD I HAVE FOUND! This is a 5 star product, way cheaper than the dentist and fits perfect.

Great price for a great product This is a fantastic find for a great price.

Bought these for our both my husband and I and they are a hit! The shape is different from my previous guard but is nice and comfortable for sleeping. Shipping was quick and the customer service friendly.

I bought these for cheek biting. I have big cheeks (I suppose), They're always getting in the way and sometimes the sores are so painful it's distracting and unbearable. I've always just dealt with it but I saw an ad for this product and the way it was described made sense.Took longer than I wish but they have to custom make the guards so worth the wait. They were quick to respond to my emails. Finally got the guards and haven't had a problem with the cheek biting since. All in all the process took about 3 weeks from start to finish. I wear them at night and during the day. Happy with them. 5 stars

I almost never leave reviews but this is worth taking the time. The customer service is outstanding and helped ease my concerns about doing this online. The retainers themselves look SO MUCH BETTER than the ones made from my orthodontist. They technicians must be artists! Do yourself a favor and order from this company. You won't regret it!

I researched a lot of other companies and they didn't require the upper and lower teeth impressions. I like that they make sure the bite is correct. I was skeptical because it's so much cheaper than the dentist but I got my guard and waited to weigh in. The guard fits perfect and I've been sleeping soundly for several weeks now. This is the real deal. Thank you for existing Sentinel. You're a tooth saver!

More comfortable than I expected! Extremely happy! *****