Dr. Mustafa Gündoğar is a graduate of Marmara University, Faculty of Dentistry where he received his DDS degree. He attended Endodontics Program of Graduate Study offered by Institute of Health Sciences at Marmara University and graduated with PhD degree at Endodontics. He is currently working in and chairing the Department of Endodontics, Faculty of Dentistry at Medipol University, İstanbul, Turkey. His areas of interests are; nickel titanium file’s kinematic properties, cyclic fatigue life of Ni-Ti Rotary systems and retrieval of broken files from root canals. Dr. Mustafa Gündoğar has published original research articles in national and international peer-reviewed and indexed journals. He has attended many national and international congresses, symposia, courses and conferences.