Customized 3D Printed Oral Stents During Head and Neck Radiotherapy

This study tests whether 3D-printed custom mouth pieces (oral stents) can better protect the tongue and surrounding tissues from radiation damage during head and neck cancer treatment. These custom stents are designed to hold the tongue in a safer position during radiation therapy. **You may be eligible if...** - You are 18 or older and have been diagnosed with a head or neck cancer - You are scheduled to receive 5 to 7 weeks of radiation therapy (with or without chemotherapy) - Your overall health status is acceptable (ECOG score 0–2) - You have signed informed consent **You may NOT be eligible if...** - You have previously received radiation therapy to the head or neck - You cannot physically fit the stent in your mouth (e.g., your mouth opening is less than 10 mm) - You are pregnant - You have significant cognitive impairment Talk to your doctor to see if this trial is right for you.