The Sentinel Promise: Perfect fit or we remake it free.
Wearing through your night guard? Learn the most common causes of excessive night guard wear, including severe teeth grinding, clenching, stress, and choosing the wrong material. Discover what wear marks mean and when it may be time to replace your night guard.
Wondering how tight a night guard should be? Learn what a proper night guard fit feels like, signs your guard may be too tight or too loose, and when an adjustment may be needed.
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.
Sentinel Mouthguards accepts existing .STL digital dental scan files for custom night guard fabrication. Customers and dental professionals can upload digital scans instead of sending physical impressions, enabling a faster, fully digital ordering process.
Wondering if you can reuse an old digital scan for a new night guard?In this guide, we explain when an existing .STL file can be reused, when a new scan is recommended, and how dental changes can affect fit, comfort, and protection.
If you’ve had a digital dental scan, it may already be compatible with ordering a custom night guard. This guide explains which dental scanners produce .STL files, what formats work best, and how to request your scan.
If you already have a digital dental scan, you can upload your .STL file at checkout and order a custom night guard without taking a new impression. This step-by-step guide explains exactly how the process works and what to expect.
If you already have a digital dental scan, you can use your .STL file to order a perfectly fitting custom night guard online—no impressions required. This guide explains the full process, compatible scanners, and why digital workflows offer the highest accuracy.
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.
