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.

Dennis P. Tarnow, DDS, is clinical professor of periodontology and director of implant education at Columbia School of Dental Medicine. He is a recipient of the Master Clinician Award from the American Academy of Periodontology, Teacher of the Year Award from New York University, and Distinguished Lecturer Award from the American College of Prosthodontists. He has published over 200 articles on perio-prosthodontics and implant dentistry and has coauthored four textbooks, including The Single-Tooth Implant (Quintessence, 2020) with Dr Stephen J. Chu. Dr Tarnow maintains a private practice in New York City and has lectured in over 45 countries.

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.

Associate Professor
Departments of Endodontics and Oral Biology
Georgia Health Sciences University
Augusta, Georgia

Tiziano Tealdo, DDS, MS, CDT, obtained his certificate in dental laboratory technology in 1984. Dr Tealdo graduated in dentistry at the University of Turin, Italy in 1991. At the same university, he earned his postgraduate degree in oral surgery in 1993. Dr Tealdo obtained the university certificate in implantology at the University of Aix-Marseille, France, in 1998. From 1998 to 2000 he completed Dr Carlo Tinti’s postgraduate periodontal program, whichfocused on reconstruction of hard and soft tissue in conjunction with implant surgery. Dr Tealdo’s interest in implant-prosthetic therapy led him to attend the Brånemarkkliniken and the Brånemark Osseointegration Center, Gothenburg, Sweden; the Department of Oral and Maxillofacial Surgery at the University of Ümea, Sweden; and the Malo Clinic in Lisbon, Portugal. Since 1997 he has been in charge of the Implant Division in the Department of Implant and Prosthetic Dentistry of Genoa University, Italy. Currently, at the same university, he is professor of Prosthodontics. Dr Tealdo is a member of the International College of Prosthodontists

Dr. Tennert ist Oberarzt an der Klinik für Zahnerhaltung, Präventiv- und Kinderzahnmedizin der Zahnmedizinischen Kliniken der Universität Bern und Ernährungsmediziner der Deutschen Gesellschaft für Ernährungsmedizin/Deutsche Akademie für Ernährungsmedizin (DGEM/DAEM). Seit vielen Jahren befasst er sich intensiv mit dem Thema Ernährung, insbesondere mit dem Einfluss der Ernährung auf Erkrankungen in der Mundhöhle und hat auf dem Gebiet der Präventivzahnmedizin national und international vielfach publiziert und referiert.

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.

Deborah A. Termeie, DDS, is a clinical instructor in the Department of Periodontics at the University of California, Los Angeles. She is a diplomate of the American Board of Periodontology (ABP), and it was her experience preparing for the ABP qualifying exams that inspired her to write this book. Dr Termeie is also an editor and author of Avoiding and Treating Dental Complications: Best Practices in Dentistry (John Wiley & Sons, 2016) and has published on the topics of evidence-based dentistry and implantology. She is the recipient of several awards, including the Excellence in Implantology Research award from the California Society of Periodontics, and has been invited to participate in the American Academy of Periodontics Leadership, Engagement, Action, and Development (LEAD) Program. She maintains a private practice in Beverly Hills, California.

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.