Dr John Nusstein received his DDS from the University of Illinois at Chicago College of Dentistry in 1987. He served 12 years in the U.S. Air Force and completed his endodontic training at The Ohio State University in 1995, earning a certificate in endodontics and an MS for research involving intraosseous anesthesia. Dr Nusstein has been a Diplomate of the American Board of Endodontics since 1999. He became a full-time educator at The Ohio State University College of Dentistry in 2000 and is now a tenured professor, was appointed Chair of the Division of Endodontics in 2006, and holds the William J. Meyers Endowed Chair in Endodontics. He has authored/coauthored over 100 scientific articles and 9 chapters in leading endodontic textbooks. His focus of research is local anesthesia and pain control and ultrasonic irrigation.

Seit 02/2022 Habilitation und Verleihung der Venia Legendi für das Fach Zahn-, Mund- und Kieferheilkunde Thema: „Risikofaktoren für die Entstehung und Therapie periimplantärer Infektionen“. Seit 01/2016 Notfallbeauftragte ZZMK Carolinum gGmbH. Seit 01/2016 Oberärztin ZZMK Carolinum, Poliklinik für Zahnärztliche Chirurgie und Implantologie Frankfurt, Prof. Dr. G.-H. Nentwig/ April 2017 – Februar 2018 Kommissarische Leitung: Prof. Dr. mult. R. Sader, seit 02/2018: Prof. Dr. F. Schwarz. Seit 08/2015 Fachzahnärztin für Oralchirurgie, ZZMK Carolinum, Poliklinik für Zahnärztliche Chirurgie und Implantologie Frankfurt, Prof. Dr. G.-H. Nentwig. Von 03/2013 – 08/2015 Assistenzzahnärztin Weiterbildung Oralchirurgie, ZZMK Carolinum, Poliklinik für Zahnärztliche Chirurgie und Implantologie Frankfurt, Prof. Dr. G.-H. Nentwig. Von 08/2012 – 03/2013 Assistenzzahnärztin Weiterbildung Oralchirurgie, Klinik für Mund-, Kiefer und Plastische Gesichtschirurgie Frankfurt, Prof. Dr. mult. R. Sader.

Dr. med. Hans P. Ogal Facharzt für Anästhesiologie, Leiter der Schmerzambulanz an der Aeskulap-Klinik Dr. Brandner, Zentrum für Ärztliche Ganzheitsmedizin, in Brunnen am Vierwaldstättersee/Schweiz, Dozent der Deutschen Ärztegesellschaft für Akupunktur (DÄGfA) und weiterer Fachorganisationen.

Group Director, General Clinic
Academic Administrator, Division of Restorative Dentistry
School of Dentistry
University of California, Los Angeles

Miguel A. Ortiz, DMD, has become recognized around the world for his proficiency in dental photography and cinematography. Recognizing a need for dental photography training in the US, he created MaoPhotographs, a dental photography curriculum that has since expanded internationally. Through these courses, he brings awareness to evidence-based dentistry, attention to detail, and craftsmanship. He is the author of Lit: The Simple Protocol for Dental Photography in the Age of Social Media (Quintessence Publishing, 2019). Dr Ortiz lectures nationally and internationally on prosthodontics and dental photography and is a full-time prosthodontist on the dental team of Brookline Dental Center in Boston.

Juan Carlos Ortiz Hugues, DDS, is a certified ergonomics assessment specialist who lectures and provides trainings on advanced dental ergonomics, mainly related to dental microscopy. He serves as the vice president of the Academy of Microscope Enhanced Dentistry (AMED) and maintains a private practice limited to endodontics in David, Panama. He wrote his book to encourage dental professionals to adopt better practices so they can live and work pain-free.

Prof. Özcan has authored more than 500 scientific and clinical articles in peer-reviewed journals, is a well-sought lecturer, receiver of several international awards and has held numerous continuing education courses in Europe. She serves also for the editorial boards of several scientific journals. Her clinical expertise is on reconstructive dentistry and her scientific work focuses on translational research. She has Honorary Professorship positions at various universities some of which are São Paulo State University (Brazil), University of Florida (USA) and University of Hong Kong (China). She is EPA-Recognized Specialist in Prosthodontics, Honorary Secretary of the European Prosthodontic Association (EPA), Past-President of the International Association of Dental Research (IADR) / Dental Materials Group (DMG), Fellow of Academy of Dental Materials (FADM), Fellow of International College of Dentistry (FICD) and Fellow in Dental Surgery of the Royal College of Physicians and Surgeons of Glasgow, FDS RCPS (Glasgow). In 2018, she received "Dr. honoris causa" title from Romania. She is the recipient of the "2018 IADR Distinguished Scientist Wilmer Souder Award".