Feasibility Study of Dynasplint to Prevent Trismus in Head and Neck Cancer

Patients on the intervention arm will wear the Jaw Dynasplint® System for 30 minutes, 3 times per day each day during the cancer treatment period and for the first 3 months after primary or adjuvant based-radiation treatment (recovery period) is completed. Patients will maintain a daily patient log indicating the amount of time they used the Jaw Dynasplint® System.