P-64 Incidence and risk factors of osteoradionecrosis of the mandible after modern radiotherapy for oropharyngeal carcinoma. (July 2021) - Verduijn, Gerda M.; Sijtsema, Nienke D.; van Norden, Yvette; Heemsbergen, Wilma D.; Mast, Hetty; Sewnaik, Aniel; Hove, Ivo ten; Chin, Denzel; Baker, Sarah; van der Lugt, Aad; Hoogeman, Mischa S.; Petit, Steven