Dr. Nikolaos Andreas Chrysanthakopoulos was graduated from Dental School, University of Athens in 1998. He has also received another Degree from Faculty of Nursing from University of Athens in 1993. He was attended a program in Maxillofacial and Oral Surgery in 401 General Military Hospital of Athens during 2003-2004. He got specialist in Clinical Oncology, Cytology and Histopathology during 2013-2015. His MSc Thesis titled ‘‘Correlation Between Periodontal Disease Indices and Lung Cancer in Greek Adults: a Case -Control study’’ consists the first in the International literature that was examined the possible association between periodontal diseases and lung cancer. Prof. Chrysanthakopoulos is a 6th year Pre-Grdt Student in Medical School, University of Athens. He is also a Professor of Human Anatomy, Human Physiology and Sports Medicine in Public Institute of Vocational Training of Patra.