The Sentinel Promise: Perfect fit or we remake it free.
Already have a 3D dental model on file with Sentinel? Learn when you may be able to reorder a night guard without taking another impression and when a new dental record may be needed.
Already have a digital scan from your dentist or orthodontist? Sentinel accepts qualifying STL and PLY files for custom night guards. Select the digital scan option at checkout, then upload your files securely after ordering.
Seasonal allergies can block the nose, fragment sleep, and ramp up inflammation—a perfect recipe for jaw clenching, teeth grinding, and headaches. This guide explains the link and gives a simple plan: open the airway, protect your teeth, and calm sore jaw muscles.
Teeth grinding and clenching can be associated with sore jaw muscles, sensitive teeth, facial pain and headaches—but those symptoms can have other causes too. Here’s what may help with short-term discomfort, how to protect your teeth and when pain deserves a professional evaluation.
How long should you wear a retainer after braces or clear aligners? Learn why retention is often long-term, how wear frequency may change, and why your orthodontist’s instructions matter most.
A complete guide to dental retainers after braces or clear aligners, including retainer types, wear schedules, cleaning, lifespan, replacement, fit changes, and digital scan options.
Can you wear a night guard during the day? The answer is yes—but it’s not always the most practical choice. While a standard night guard can protect your teeth from clenching and grinding outside of bedtime, it may feel bulky, affect speech, and wear out faster with all-day use. This article explores the benefits, drawbacks, and the best daytime-friendly alternatives—like slim, nearly invisible guards—so you can protect your smile 24/7 without sacrificing comfort.
Burning, itching, redness or soreness after wearing a night guard does not automatically mean you are allergic to it. Learn how material reactions differ from fit-related irritation, which dental materials can cause contact allergy and when to seek professional evaluation.
Have you noticed that your favorite custom night guard brands have suddenly disappeared from Amazon? You’re not alone. In recent months, Amazon has restricted many reputable U.S. dental labs while allowing cheaper, overseas alternatives to remain. In this article, we explain what happened, why some of the best custom night guards are no longer available on Amazon, and how you can still get a safe, FDA-compliant guard directly from a trusted U.S. lab.
