Dr. Ali Tahmaseb left Teheran for Belgium while in his late teens, where he began his dental education at the University of Ghent in 1988. Since then he has followed various training programs in oral surgery and implant dentistry throughout Europe and the USA. In 2011 he completed his PhD at the University of Amsterdam, ACTA and stayed on to become an associate professor in the department of oral implantology and prosthetic dentistry. He is also responsible for research and education in that department. His main research areas are guided surgery and navigation techniques, CAD/CAM, managoing of extraction sockets and its esthetic outcomes and guided bone regeneration around endosseous implants. He is co-founder of a novel concept in guided surgery and a primary investigator in this field at the University of Amsterdam. Ali Tahmaseb is also active in his private referring offices in Antwerp (Belgium) and Tilburg (Netherlands).

Sandra Tai, BDS, MS, ist seit dem Jahr 2000 Invisalign-zertifizierte Kieferorthopädin und derzeit unter den Invisalign Top 1%/ Diamond Providern. Sie hat bereits über 1500 Fälle mithilfe von Invisalign behandelt. Als Redaktionsmitglied des Journal of Aligner Orthodontics und Mitglied der Align Tech Faculty in Nordamerika ist sie an mehreren klinischen Forschungsprojekten und klinischen Studien der FDA zu transparenten Alignern beteiligt. Sandra Tai ist zur Zeit Clinical Assistant Professor in Orthodontics und Koordinatorin für das Invisalign-Programm an der Universität von British Columbia in Vancouver. Auf internationaler Ebene hält sie zahlreiche Vorträge und spricht mit Kieferorthopäden auf der ganzen Welt über transparente Aligner und deren Potenzial. Sandra Tai ist Fellow des College of Dental Surgeons in British Columbia und Fellow des Royal College of Dentists, Kanada, sowie Mitglied mehrerer Berufsverbände. Sie ist außerdem Gründungsmitglied und ehemalige Präsidentin des Orthodontic Ties Seminars Study Club und des Invisalign Study Club in Vancouver, wo sie Zahnärzte unter Verwendung des Invisalign-Systems ausbildet und betreut. Ihre Weiterbildung zur Kieferorthopädin absolvierte sie an der Universität von Minnesota.

Hiroyuki Takino, DDS, is visiting professor of periodontology at Asahi University School of Dentistry, associate professor at Tokyo Medical and Dental University, and associate professor at Osaka University Graduate School of Dentistry. He is also director of the Japan Institute for Advanced Dental Studies and chairman of Osseointegration Study Club of Japan. Dr Takino is a member of several national and international organizations and director of the Takino Dental Clinic in Kyoto, Japan.

Lorenzo Tavelli, DDS, is an assistant professor in the Department of Oral Medicine, Infection, and Immunity in the Division of Periodontology at the Harvard School of Dental Medicine. His main focus has been clinical research in periodontal and peri-implant plastic surgery, with more than 70 scholarly publications in international peer-reviewed journals while serving as a reviewer for several well-known journals in periodontics and implant dentistry. He is the recipient of several awards, including the first prize at the research competition at the 3rd International Symposium on Soft Tissue Management Around Teeth and Implants in Florence.

Prof. Dr. med. Dr. med. dent. Hendrik Terheyden ist Chefarzt der Klinik für Mund-, Kiefer- und Gesichtschirurgie der DRK-Kliniken Nordhessen in Kassel. Hendrik Terheyden absolvierte von 1983–1989 das Zahnmedizinstudium an der Universität Kiel. 1989 war er Stabsarzt der Marine in Flensburg. 1989–1992 studierte er Humanmedizin an der Universität Kiel. 1993 wurde er Fachzahnarzt für Oralchirurgie und 1997 Facharzt für Mund-, Kieferund Gesichtschirurgie mit der Zusatzbezeichnung Plastische Operationen (1999). 1999 folgte die Habilitation an der Universität Kiel. Er erhielt den Wassmund-Preis der Deutschen Gesellschaft für Mund-, Kiefer- und Gesichtschirurgie (DGMKG). 2004 wurde er apl. Professor an der Universität Kiel. Von 2009 bis 2012 war er Präsident der Deutschen Gesellschaft für Implantologie und von 2017 bis 2019 erster Vorsitzender der Arbeitsgemeinschaft Oral-und Kieferchirurgie der Deutschen Gesellschaft für Zahn-, Mund- und Kieferheilkunde (DGZMK). Seit 2006 ist Prof. Terheyden Section Editor des International Journal of Oral & Maxillofacial Surgery und seit 2012 Editor in Chief des International Journal of Implant Dentistry. Seit 2021 ist er im Vorstand des Arbeitskreises leitender Krankenhausärzte der Deutschen Gesellschaft für Mund-, Kiefer- und Gesichtschirurgie tätig.

Douglas A. Terry, DDS, holds positions as an adjunct professor in the department of restorative sciences at the University of Alabama at Birmingham and professor emeritus in the department of conservative dentistry and endodontics at the V.S. Dental College & Hospital, Rajiv Gandhi University of Health Sciences in Bangalore, India. He has authored several hundred scientific articles and textbooks, including Restoring with Flowables (Quintessence, 2016), Esthetic and Restorative Dentistry: Material Selection and Technique, Third Edition (2018), and Restoring the Intraradicular Space: Esthetic Post Systems (2021). He has lectured nationally and internationally on various subjects in restorative and esthetic dentistry and is a dental materials clinical research consultant for industry manufacturers. Dr Terry is founder and CEO of the Institute of Esthetic and Restorative Dentistry and a member of Oral Design International. He maintains a private practice in Houston, Texas.

Dr. Tiziano Testori ist Leiter der Abteilung für Implantologie und orale Rehabilitation der Zahnmedizinischen Klinik am Istituto Ortopedico Galeazzi, Abteilung für Gesundheitstechnologien der Universität Mailand. Außerdem ist er Gastprofessor am New York University College of Dentistry in New York. Der ehemalige Präsident der Italienischen Gesellschaft für Oralchirurgie und Implantologie (SICOI) ist Gründungsmitglied der Advanced Implantology Study Group (AISG), Autor von mehr als 200 wissenschaftlichen Artikeln und Mitherausgeber von Sinusbodenaugmentation. Chirurgische Techniken und alternative Konzepte (Quintessenz, 2010). Dr. Testori betreibt  eine Privatpraxis in Como.

Professor Wim Teughels graduated in 2000 as a dentist at the Katholieke Universiteit Leuven (KULeuven) in Belgium. At the same university, he obtained in 2006 the degree of specialist in Periodontology and he defended successfully his PhD thesis entitled “Microbial Interactions Involved in Bacterial Colonization of Epithelial Cells”. He also received a “European Federation of Periodontology (EFP) certificate in Periodontology”. In 2007, he was a visiting researcher at the University of California at Los Angeles (UCLA) and he was appointed assistant professor at the Faculty of Medicine of the KULeuven. His teaching obligations consist of a variety of subjects within the field of Periodontology and Human Anatomy. Currently, he works as a professor at the KULeuven and as the vice-head of the Periodontology section of the University Hospitals Leuven.

His research focuses on Periodontology and oral microbiology with a special emphasis on bacterial adhesion, microbial interactions, antimicrobials and probiotics. His research work has been funded by grants of the KULeuven, Fund for Scientific Research Flanders, NIH (NIDCR) and different companies. This has led to more than 110 publications in international journals and more than 10 chapters in books. He received 5 national and 3 international awards and is frequently invited both nationally as internationally for lectures regarding the concept of “probiotics”. In 2012, Prof. Teughels became an associate editor for the Journal of Periodontal Research and an associate editor for the “Carranza’s Clinical Periodontology” textbook.

Prof. Daniel Thoma ist Wissenschaftlicher Abteilungsleiter an der Klinik für Rekonstruktive Zahnmedizin, Zentrum für Zahnmedizin, Universität Zürich. Er erhielt sein Staatsexamen an der Universität Basel im Jahre 2000 und anschliessend eine post-doc Ausbildung in rekonstruktiver Zahnmedizin an der Klinik für Rekonstruktive Zahnmedizin, Universität Zürich, Leitung Prof. Ch. Hämmerle. Von 2007 bis 2008 war er als ITI Scholar am Department of Periodontics, University of Texas, Health Science Center, San Antonio, USA. Seit 2008 ist er Oberarzt an der Klinik für Rekonstruktive Zahnmedizin, Zentrum für Zahnmedizin, Universität Zürich. Im Jahre 2013 habilitierte Dr. Thoma auf dem Gebiet der oralen Implantologie und Kronen- und Brückenprothetik, ist seit 2015 Wissenchaftlicher Abteilungsleiter für den Fachbereich rekonstruktive Zahnmedizin, seit 2017 stellv. Klinikdirektor und Titularprofessor seit 2020. Zudem hält er einen Spezialistentitel in rekonstruktiver Zahnmedizin der SSRD und einen WBA Implantologie der SGI.

Carlo Tinti, MD, DDS, is a contract professor at the University of Turin and an assistant professor for the odontology and dental prosthesis degree course at the University of Florence, where he teaches “Surgical Techniques in Implantology.” His works have been published in national and international journals. He holds refresher courses and conferences in Italy and abroad about the most modern techniques regarding guided tissue regeneration in periodontology and implantology. Dr Tinti works as a dentist in Flero (Brescia), Italy, devoted exclusively to periodontology and implantology.

Associate Professor at the Department of Periodontology at the Institute of Odontology, The Sahlgrenska Academy at University of Gothenburg.

Degree in dentistry in Verona University, Italy in 1991; certificate as specialist in clinical periodontology in 2002 at Gothenburg University, Sweden.

In 2003 achieved the Master of Science in dentistry and in 2007 the Doctor Odont. Degree (PhD) at Sahlgrenska Academy at University of Gothenburg, Sweden with a thesis entitled “On approaches to periodontal infection control”.

Winner of the European Federation of Periodontology prize for periodontal research in 2005.  Winner of the Scandinavian Society of Periodontology prize for young researchers in 2007.

Active member of Italian Society of Periodontology (SIdP) and of Italian Academy of Osteointegration (IAO).

Guest Professor at University of Padova, Italy.

Working as periodontist and implantologist in his private practice in Trento, Italy from 1992.

Maurizio Tonetti graduated in Dentistry from Genoa University and received his masters in periodontology from Harvard University. He is a lecturer in Discipline Odontostomatologiche in Bern, Switzerland and currently a full lecturer and director of the Department of Periodontology and the School of Specialisation in Periodontology at Hong Kong University. He previously performed the same role at University College London and University of Connecticut Health Science Center. Dr Tonetti is also the executive director of the Research Group on Periodontology and Editor in Chief of the Journal of Clinical Periodontology. He is an active member and past president of SIdP and a member of the EFP steering committee. He is the author of more than 150 original scientific publications and has been a speaker at many important national and international conventions.