Abteilungsleiter in verschiedenen Laboratorien, mehrjährige Tätigkeit in der Industrie, Mitwirkung an der Entwicklung von Prothesen-Fertigstellungssystemen und deren Materialien, Eigene Entwicklungen: das Prothesen-Fertigstellungssystem und deren Materialien PremEco-Line, im Vertrieb der Firma Merz Dental GmbH, Lütjenburg, sowie das Prothetik-Color-System zum farblichen Charakterisieren von Prothesen und das Cera-Color-Set zum farblichen Charakterisieren der Wachsmodellation, seit 1992 selbstständiger und firmenunabhängiger Schulungsleiter für alle Bereiche der Totalprothetik im In- und Ausland, Vorträge und Workshops, unter anderem in den meisten Ländern Europas sowie Japan, Gründungsmitglied der „Dental Excellence International Laboratory Group“, Autor zahlreicher Beiträge in der nationalen und internationalen Fachpresse, Begründer der T i F®-Aufstellmethode, einem praxisnahen und prüfungsorientierten Verfahren zum methodischen Erlernen von Prothesenaufstellungen, veröffentlicht in den Büchern: „T i F®-Totalprothetik in Funktion“ und „Individuelle Totalprothetik – Erfolgreiche Patientenversorgung nach dem T i F®-System“, beide Quintessenz-Verlag, Berlin, Seit Dezember 2009 Inhaber des Fachlabors TRIGOdental – einem Fachlabor für funktionelle und individuelle Totalprothetik, Bonn-Oberkassel

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.

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"!

Prof. Dr. Sebastian Kühl is a specialist in Oral Surgery. He is Vice Clinical Director of the Department of Oral Surgery, University Center for Dental Medicine Basel UZB, Switzerland. Since 2018, he has been Founder and Head of the Competence Center for Implantology at the UZB, and President of the Swiss Society for Oral Surgery and Stomatology (SSOS).