The Sentinel Promise: Perfect fit or we remake it free.
The material your night guard is made from directly impacts its comfort, durability, and safety. High-quality, medical-grade plastics like EVA and copolyester are BPA-free, latex-free, and safe for nightly use, while cheaper store-bought guards may contain PVC, phthalates, or latex that put your health at risk. In this guide, we break down the safest materials for custom night guards, which ones to avoid, and why material quality matters for protecting your smile.
