Under the patronage of President of Tishreen University, Dr. Bassam Abdel Karim Hassan, and directives of ASPU President Dr. Sharif al-Ashkar the Faculty of Science, Activities and Scientific Events held a seminar under the title “science in the service of society”, Member of ASPU faculty of dentistry Dr. Nabiha Hussein, participated in the seminar in a scientific topic on physical sciences under the title "Studying the structural characteristics of affected teeth" using high-precision physical techniques and systems.