Joseph Helman, USA Rehabilitation of maxillectomy defects with zygomaticus implants Vinod K Joshi, UK Dental rehabilitation and oral care Harry Reintsema, The Netherlands Dental / prosthodontic considerations for pre-therapy oral screening in head and neck oncology Eugene Keller, USA Mandibular endosseous implants and autogenous bone grafting in irradiated tissue in head and neck oncology patients