Аss. Prof. Mihajlo Petrovski, DDM in December 2013, Dr.Mihajlo Petrovski become Master of Dental Sciences ("Oral health in institutionalized elderly"). In November 2021, become specialist in periodontology. He enrolls PhD studies in the academic year 2017/2018 in the field of Basic and Clinical Research in Dental Medicine ("Analysis of micro-tographic and chemical characteristics of the root surface of the tooth after conventional and laser assisted periodontal therapy”) and in 2021he becomes PhD in Dental Sciences. In May 2017, Dr. Mihajlo Petrovski becomes teaching assistant at the Faculty of Medical Sciences at University "Goce Delchev” in Stip.