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  • Quintessence Publishing Deutschland

20 Authors/Speakers


Olaf Oberhofer

Germany, Erwitte

PD Dr. Karina Obreja

Germany, Frankfurt am Main More information

Dr. med. Hans Peter Ogal


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.

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Michael Okuji DDS, MPH, MBA

United States of America

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

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Dr. Miguel A. Ortiz DMD

United States of America, Boston

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, 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.

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Juan Carlos Ortiz Hugues DDS

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.

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Dr. Rebecca Otto

Germany, Jena
Since January, 2009 own practice for pediatric dentistry in Jena - 2006-2008 employed at the specialized pediatric dentist practice Dr. Roloff und Quick-Arntz in Hamburg - 2004-2006 employed at a general practice in Thuringia / Germany - Studies of dentistry in Göttingen - Referee in Germany about pediatric dentistry, sedation and praxis organisation - Board member of the LZÄK in Thuringia - Member: AAPD, EAPD, DGZMK, Bukiz.
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