Dr. Nawfal Zakaria, Assistant Professor in the Department of Dentistry at Al-Noor University College, participated in the membership of a committee formed by the College of Dentistry at Czech University to discuss the student supervised by Ranno Sarhank about her thesis entitled “Efficacy of different techniques to remove calcium hydroxide as intracanal medicament.” The discussion committee took place on 24/8/2020 was headed by Asst. Prof. Dr. Bahar Jaafar Al-Sulaifani, and its membership included Asst. Prof. Dr. Bassam Amin and the teacher, Dr. Ali Muayyad Rashid.