Dr. Christian Lex studied dentistry in Munich and Erlangen, Germany, PhD thesis and German board examination in 1973. Since 1977 in his own practice in Nuremberg, Germany, with focus on prosthetics, FGP, esthetic dentistry, periodontology and since 1982 implantology. National and international lecturer and educator, since 2000 lecturer certification from consensus conference implantology. Cofounder of the group A.e.in Z., lecturer at the Bavarian Academy for Dental Education, member of the advisory board for Nobel Biocare 2009 - 2014. Member of the FOR DACH Scientific Committee 2011-2015. Examiner of the Bavarian dental association for dental hygienists 2015. Board member of the PZVD 2016.