Access osteotomy plays a vital role in maxillofacial surgery by providing necessary exposure to complex anatomic regions for safe tumor resection and reconstruction. Techniques like bicoronal flaps, Weber-Fergusson incisions, Le Fort I osteotomies, and mandibulotomies offer tailored access to the maxilla, mandible, orbit, and skull base. The surgical approach is selected based on lesion location, proximity to critical structures, and aesthetic considerations. Advances in imaging and instrumentation have enhanced precision and reduced morbidity. Proper planning and anatomical understanding are...