1993–1998: Study of dentistry at the University of Mainz. 1998–2001: Research associate in the Department of Dental Conservation and Periodontology at the University of Mainz. 2000: Doctorate. 2001–2003: Practice-related studies in business administration at the Business Administration Institute of Prof. Dr. Braunschweig, graduating with a degree in health economics. 2001–2004: Employed dentist at the Center for Dentistry and associate at the Private Institute for Periodontology and Implantology Munich with Dr. W. Bolz, Prof. Dr. H. Wachtel, Prof. Dr. M. Hürzeler and Dr. O. Zuhr. Since 2004: Established in own practice in Mainz with focus on implantology, periodontology, functional diagnostics and restorative dentistry. Since 2015: Joint practice with Dr. Ina Köttgen MSc. specializing in functional diagnostics, periodontology, implantology and restorative dentistry. 2017: Publications in numerous journals on the topics of periodontology, implantology, prophylaxis and esthetics. Multiple lecturing activities on the topics of periodontology, prophylaxis, esthetic dentistry and implantology and implant prosthetics and complex treatment planning. Lecturer of the master course " Master Online Periodontology" of the University of Freiburg. Chairman of the Intensive Continuing Education and Continuum Department of the BZKR. Member of the Representative Assembly of the BZK Rheinhessen. Deputy Chairman of the Representative Assembly of the BZK Rheinhessen. Member of the editorial board of "Der junge Zahnarzt" (Springer Verlag).

Ina Köttgen, Dr med dent, MSc, maintains a joint private practice with Dr Christopher Köttgen in Mainz, Germany, limited to functional diagnostics, periodontology, implantology, and restorative dentistry. She is a member of several professional organizations, including the German Society for Periodontology.

Doctor Stefen Koubi graduated from the University of Marseille, France, in 1998. He has held the position of Associate Professor in the Restorative Department of Marseille University since 2008 and received his PhD in 2011. He maintains a private practice in Marseille and in Paris. His main areas of interest are esthetic rehabilitation for cosmetic or functional reasons (worn dentition). He has been invited to many prestigious esthetic academies to lecture on simple ways to achieve high-quality esthetic dentistry. He is an invited professor in many esthetic postgraduate programs. Dr Koubi received the Gold Molar title from the students of his university (best teacher of the year) in 2012, and the title of Best French Speaker the same year. Since 2012 he has been a member of Style Italiano community in charge of indirect topics. He founded in 2013 L'Institut de la facette, a private training center focused on smile design for worn dentition and cosmetic rehabilitations. He is the author or co-author of many scientific articles and case reports on esthetic dentistry.

e-mail: krammer@quintessenz.de

Professor emeritus at the University of Geneva. Past president of the University Clinics of Dental Medicine and past Director of the Department of Preventive Dental Medicine and Primary Dental Care and Chairman, Division of Cariology and Endodontology, University Clinics of Dental Medicine (CUMD). Focused on noninvasive restorative treatments, adhesive restorations of vital and devital teeth, lasers in dentistry, CAD/CAM manufacturing, 3D printing, digital 3D smile design, dental photography, novel caries diagnostic methods, personalized dental prevention, AI-empowered monitoring concepts and artificial intelligence in dentistry in general. Under my 9-years presidency from 2009 to 2018, the new revolutionary facility of the University Clinics of Dental Medicine of the University of Geneva with 90 clinical and 32 preclinical workstations was designed, constructed and successfully opened: https://youtu.be/7xdL4EH3g08. I also introduced the first structured dental continuing education program in Switzerland, "Master of Advanced Studies (MAS) in Microinvasive esthetic dentistry", the only dental MAS in Switzerland awarded with full accreditation by the aaq: https://www.unige.ch/formcont/cours/mas-microinvasive-aesthetic-dentistry-2019 Together with Prof. Irena Sailer, we recently developed and introduced at the University of Geneva Switzerland's first and only Master of Advanced Studies (MAS) in Digital dental technologies https://www.unige.ch/medecine/fr/enseignement1/formationcontinue/mas/digital-dental-technologies/ Under my leadership and coming from nowhere, the University Clinics of Dental Medicine of the University of Geneva reached 23rd place in the QS World University Ranking in 2018: https://www.topuniversities.com/university-rankings/university-subject-rankings/2018/dentistry. Together with Prof. Albert Feilzer, I have been serving as co-director of several PhD theses at the Academic Centre for Dentistry (ACTA), Amsterdam. ACTA is rated 2nd best in the QS World University Ranking in 2022: https://www.topuniversities.com/university-rankings/university-subject-rankings/2022/dentistry. The goal of modern dentistry is anti-aging and lifelong oral health. This vision is now becoming real by implementing AI-empowered early diagnosis and regular monitoring, individualized prevention, microregenerative procedures, as well as painless noninvasive early interventions.

Dr. Cees Kreulen, MSc, PhD, Associate Professor, Oral Function, Medical Center, Radboud University Nijmegen/Netherlands

Roland Kreutzer was born in Gummersbach in 1966 and has been a physiotherapist since 1991. He is an instructor for Brügger therapy (Zurich concept), a manual therapist, and an active course leader for Sensotape^® courses. He has been working at the Philipps University of Marburg since 1992 as a physiotherapist, and since 2005 as a lecturer in the Master’s and Bachelor’s degree programs in physiotherapy. In addition, the author works as a physiotherapist in his own practice in Marburg and is a freelancer for KVM-Verlag, Berlin. This collaboration has resulted in him co-authoring several specialist books in the fields of medicine and physiotherapy. In his free time, he is an enthusiastic cyclist, runner, and swimmer, and thus a regular and active user of "self-tapping"!