Lyons classification
- Apr- 2020 -5 April
OSTEORADIONECROSIS
What is Osteoradionecrosis (ORN)Condition of nonvital bone in a site of radiation injury.Can be spontaneous, but it most commonly results from tissue injury.Apparently innocuous forms of trauma as denture-related injury, ulcers, or tooth extraction can overwhelm the reparative capacity of radiation-injured bone.Osteoradionecrosis of Temporal boneRadiation to the skull base can…
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