Late effects of head and neck radiation therapy and patient/dentist compliance with recommended dental care

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Abstract
Head and neck radiation therapy patients have permanent damage to their salivary glands, tissue, and bone. This damage may result in late effects such as: xerostomia, rampant dental caries, demineralization, trismus, and osteoradionecrosis. Therefore, a pretherapy dental evaluation and treatment and compliance with a long-term oral care regimen are necessary. This retrospective study was designed to assess the late effects of radiation therapy and compliance with long-term care recommendations of patients seen in the Oncology Dental Support Clinic at the University of Missouri-Kansas City School of Dentistry during 1981 to 1989. Telephone interviews of patients and their dentists were conducted, and a written questionnaire to the dentists provided further data. Late effects were consistent with those reported in the literature. A compliance rate of approximately 50% was reported. Several measures have been implemented in an attempt to increase compliance.