Dr. Gilberto Debelian has received his DMD degree from the University of Sao Paulo, Brasil in 1987. He has completed his specialization in Endodontics from the University of Pennsylvania, USA in 1991 and received the Louis I. Grossman student award in Endodontics. He has taught as a clinical instructor and associate professor at the endodontic program at University of Oslo (UIO), Norway from 1991 to 2010. His was an adjunct visiting professor at the post-graduate program in endodontics, University of North Carolina in Chapel Hill from 2006 to 2015. He has concluded his PhD studies at UIO in 1997, which gave him two scientific awards from the European Society of Endodontology (ESE) and from the Norwegian Dental Association both in 1997. His is an adjunct visiting professor at the post-graduate program in endodontics at University of Pennsylvania. Dr. Debelian maintains a private practice limited to endodontics in and is the director of the advanced endodontic microscopy center – ENDO INN in Oslo, Norway. Dr. Debelian has authored 7 chapters book in Endodontics, one book in Endodontics and written more than 80 scientific and clinical papers.