ورش عمل CBCT I interpretation ورشه عمل 2020 Endo stars course ورشة عمل 2-2019 ورشة بعنوان GOLDEN IMPLANT course 2018 محاضرة بعنوان Odontology in issues Legal ورشة عمل بعنوان Difficult Cases in Endodontics, Prognosis and Prophylaxis of Complications