Final answer:
A possible oral complication of head and neck radiation is dry mouth and tooth decay. Radiation therapy can cause a variety of side effects including xerostomia, leading to an increased risk of tooth decay and other oral health problems.
Step-by-step explanation:
A possible oral complication of head and neck radiation is dry mouth and tooth decay. Patients receiving radiation therapy can experience a variety of side effects, among which dry mouth, also known as xerostomia, is prevalent. This condition can lead to difficulties in speaking, swallowing, and may increase the risk for tooth decay due to a decrease in saliva, which normally helps to protect teeth. Additionally, special mouthwashes have been developed to help alleviate dry mouth and prevent cavities.
Other potential complications from head and neck radiation could include swelling of the parotid glands, and opportunistic oral infections, such as candidiasis, which can occur in immunocompromised patients. Managing these side effects is crucial for the patient's comfort and overall health, highlighting the need for a comprehensive care plan that considers all potential complications.