The Sentinel Promise: Perfect fit or we remake it free.
A custom night guard is not automatically the right choice for everyone. Learn how comfort, regular grinding, dental work, and long-term use factor into whether a custom guard is worth the investment.
Choosing the best mouth guard for teeth clenching isn't just about picking the thickest or softest option. Learn how clenching differs from grinding, compare hard, soft and hybrid guards, and find out which custom mouth guard offers the best protection for your smile.
A yellow, cloudy or stained night guard isn’t always dirty. Learn how to tell surface staining from mineral buildup and material discoloration, what you can safely try at home and when a stain may be permanent.
Sentinel night guards include warranty coverage for qualifying defects, plus 100 days of fit support. Learn what is covered, what is not, and how to get help.
Why does it hurt when you chew? Learn how tooth problems, jaw-muscle strain, TMD and teeth grinding can cause pain—and when it is important to see a dentist.
You can’t consciously relax your jaw once you’re asleep, but daytime habits, a gentler bedtime routine and appropriate dental care may help with jaw tension and protect your teeth. Learn what actually helps—and what not to do.