Getting Used to Sleeping with Invisalign Invisalign aligners are crafted from clear, medical-grade thermoplastic and are designed to gently shift teeth by applying consistent pressure. This movement triggers the supporting bone to adapt—receding on one side and rebuilding on the other—leading to gradual realignment. During the initial nights of wearing aligners, it’s normal to expe... https://restoredentalgurgaon.com/adjusting-to-invisalign-aligners-at-night/