What Researchers Did
Researchers conducted a 30-year retrospective review of 830 head and neck tumour patients who received radiotherapy between 1969 and 1999 to determine the incidence and aetiological factors of osteoradionecrosis.
What They Found
The overall incidence of osteoradionecrosis was 8.2%, with men showing a 3-fold higher incidence than women. Tooth extractions were responsible for 50% of all cases, and only 40% of affected patients achieved complete healing with surgery and antibiotics.
What This Means for Canadian Patients
Canadian patients undergoing head and neck radiotherapy should be aware of the significant risk of osteoradionecrosis, especially concerning dental health. Proactive dental management before and after radiation, along with close follow-up, is crucial to minimize this severe complication.
Canadian Relevance
This study has no direct Canadian connection as it was conducted in a different geographical region.
Study Limitations
As a retrospective study, it is limited by its reliance on existing patient records and potential for selection bias.