The Sentinel Promise: Perfect fit or we remake it free.
A smelly night guard can come from residue, trapped moisture, the storage case, surface buildup—or sometimes the mouth itself. Learn how to find the source of the odor and what to do about it.
Have you noticed grooves, dents, or white spots on your night guard and wondered if something is wrong? In most cases, these marks are either normal wear from nighttime grinding and clenching or calcium buildup from saliva. In this article, we'll explain how to tell the difference between indentations and mineral deposits, what each means for your night guard, and when it may be time to clean or replace your appliance.
There is no universal schedule for replacing a night guard. Learn the seven signs that matter more than age alone, including changes in fit, significant wear, dental work, structural damage and new discomfort.
Grinding through your night guard faster than expected? Learn the most common reasons night guards wear out, what it means for your teeth, and how to choose the right level of protection.
Can an older digital dental scan still be used for a new night guard? Learn what matters most, which dental changes may affect reuse, and when an updated scan or impression may be needed.
Already have a digital dental scan? Learn which common intraoral scanners can export STL or PLY files and what to ask your dentist before sending a scan to Sentinel Mouthguards.
Already have a digital dental scan? Learn how STL and PLY files can be used for a custom night guard, what makes a scan usable, and how Sentinel’s digital workflow works.
If you clench during the day or grind at night, choosing the right mouth guard makes all the difference. This guide breaks down daytime vs night guards in plain English, helping you understand when each one is needed, which materials work best, and how to protect your teeth comfortably — whether you’re working, sleeping, or both.
A custom night guard is crafted from a precise replica of your teeth to protect them from grinding, clenching, jaw pain, and enamel wear. Here’s what makes it different from store-bought options and why dentists consider it the gold standard for bruxism relief.
