SEITZ & MCGANNON ORAL MAXILLOFACIAL SURGERY York Oral & Maxillofacial Surgeon, Todd E. Seitz, DMD and Michael McGannon, DMD, MD, practice a full scope of oral and maxillofacial surgery with expertise ranging from corrective jaw surgery to wisdom tooth removal. We can also diagnose and treat facial pain, facial injuries and TMJ disorders, and perform a full range of dental implant and bone grafting procedures. Dr. Seitz and Dr. McGannon’s staff is trained in assisting with I.V sedation within our state-of-the-art office setting. Dr. Seitz and Dr. McGannon’s top priority is treating patients with compassion and kindness.