Leonardo Trombelli is a full professor and chair of the Department of Periodontology, School of Dentistry at the University of Ferrara. He has served as the director of the Research Center for the Study of Periodontal and Peri-implant Diseases at the University of Ferrara and the director of the Dental Clinic, University Hospital, Ferrara. He has been the dean of the Dental School at the University of Ferrara since 2013. He also served as the president of the Medical School at the University of Ferrara from 2014 to 2016. Past president of the SIO from 2007 to 2009. Dr Trombelli is an active member of SIdP and an editorial board member for the Journal of Clinical Periodontology.

Dr. Yosuke Tsukiboshi attended DDS program at Tohoku University in Sendai, Japan, completing the degree in 2013. Then, he entered an orthodontic residency program as well as a PhD program at Osaka University in Osaka, Japan. After finishing the programs in 2020, he trained as a preceptor at the University of Texas Health Science Center at Houston, Department of Periodontics and Dental Hygiene until 2021. He works at Tsukiboshi Dental Clinic as a JOS board-certified orthodontist, a director of Japanese Society of Dental Traumatology and Autotransplantation, and a lecturer of CE seminar (Digital dentistry, periodontal surgery, and orthodontics).

Dr. Taisuke Tsukiboshi received his Doctor of Dental Surgery from the Aichi-Gakuin University School of Dentistry in Nagoya, Japan and his PhD in Prosthodontics from Osaka University Japan. He has also completed a Fellowship in Implant Dentistry from the Loma Linda University School of Dentistry. He  is currently in clinical practice at the Tsukiboshi Dental Clinic in Aichi, Japan, while also holding the position of Instructor for Internship Students at the Osaka University, School of Dentistry. He is an Associate Fellow of the American Academy of Implant Dentistry and is also an Official Instructor for Bassi Logic.

Dr. Tsukiboshi is a graduate of Osaka University School of Dentistry in 1977. He earned a PhD in dental materials from Kyoto University in 1981 and has been engaged in private practice since 1981. Dr. Tsukiboshi's interest in dental traumatology and autotransplantation has led to extensive clinical involvement, course presentations and publications. Dr. Tsukiboshi has lectured extensively on dental trauma and autotransplantation; he has authored many articles and two textbooks, one on dental trauma in 1998 and one on autotransplantation in 2000. The books have been published in several languages, including English. Dr. Tsukiboshi is is the President of the International Association of Dental Traumatology in 2009 and 2010. Dr. Tsukiboshi is certified as a clinical professor of the dental school of Tohoku University in 2015 to 2018.

Jens Christoph Türp, DDS, Dr Med Dent, MSc, MA, is a professor in the Department of Oral Health and Medicine, Division of Temporomandibular Disorders and Orofacial Pain, University of Basel Center for Dental Medicine, Basel, Switzerland.

Completed dental school in 2004 at the University of Ferrara. Since 2005, employee at the practice of Dr. Mauro Fradeani in Pesaro. Attended numerous national and international courses, including the annual course by Dr. Mauro Fradeani in 2006 and the implant training by Drs. Marco Redemagni and Giuliano Garlini in 2008. Independent dentist specializing in esthetic conservative dentistry. Speaker at courses and conferences and author of scientific contributions in international journals.

Dr. med. dent. Ulrike Uhlmann studied dentistry at the University of Leipzig and completed her doctorate at the Johannes Gutenberg University in Mainz. She specializes in pediatric and adolescent dentistry and works in a family dental practice near Leipzig. As a mother of four children, she was personally confronted with the topic of oral restrictions for the first time when her first daughter was born in 2013. After her first parental leave, she began to deal more intensively with the topic professionally and completed further training with Dr. Zaghi and Dr. Ghaheri, among others. As interdisciplinary collaboration between speech therapists, midwives, and myofunctional therapists has always been a key aspect of her professional approach, the idea for this book was born of both a personal and professional passion. Dr. Uhlmann is an active member of the Leipzig Tongue Tie Network and works as an author and speaker alongside her work in practice.

Istvan Urban, DMD, MD, PhD, teaches implant dentistry in the graduate program at Loma Linda University in California and is also an adjunct clinical associate professor in the Department of Periodontology and Oral Medicine at the University of Michigan. He has published widely on bone regeneration and soft tissue reconstructive surgery around dental implants and is the author of the textbooks Vertical and Horizontal Ridge Augmentation: New Perspectives (Quintessence, 2017) and Vertical 2: The Next Level of Hard and Soft Tissue Augmentation (2022). Dr Urban is licensed in the state of California and maintains a private practice in Budapest, Hungary.

Dr. rer. nat. Dr. med. Klaus-Peter Valerius studied biology with a focus on anthropology and vertebrate morphology in Berlin and Göttingen, studied human medicine in Gießen; since 1990 working as a scientist at the Institute of Anatomy and Cell Biology at the University of Gießen; assisting in the lectures in pre-clinical and clinical studies of human medicine in the subjects of anatomy and biology.

Dr Frans P. G. M. van der Linden is Professor Emeritus in the Department of Orthodontics at Radboud University Nijmegen, the Netherlands. From 1962 until 1995, he held the position of Professor and Chairman of Orthodontics at the Radboud University Nijmegen. Dr Van der Linden has devoted his professional life to in incorporating basic and clinical research results into the theory and practice of orthodontics, and his long-lasting activities in research and teaching have been widely recognized. He is an internationally recognized lecturer and has published more than 200 papers and a number of books. His main contribution is a series of six textbooks on orthodontics and dentofacial orthopedics.

Prof. Dr. Fridus van der Weijden graduated in 1984 from the State University Dental School in Utrecht, the Netherlands where he also received his training as a periodontist and was accredited by the Dutch Society of Periodontology in 1990. He defended his thesis entitled, "The use of models and indices in plaque and gingivitis trials" in 1993 and received accreditation as a "senior investigator" by the Netherlands Institute for Dental Sciences in 2000.  In 2005 he received accreditation as an"'Implant-specialist" by the Dutch Society of Oral Implantology. Since 1986 Fridus van der Weijden divides his time between the Clinic for Periodontology Utrecht and the Academic Centre for Dentistry Amsterdam (ACTA). He is a frequent lecturer in postgraduate courses and the author of the book entitled, "The Power of Ultrasonics" and the co-author and co-editor of the book "Preventive Dentistry".  He has also authored and co-authored approximately 120 national and 250 international publications. The Ivory Cross awarded to him in early 2009 with the Carl Witthaus Medal of honor for his work on prevention and propagation of oral health. Early 2010 he has been appointed as professor at the University of Amsterdam with "Prevention and Therapy of periodontal infections" as main focus for his research. This special chair has been an initiative of the Dutch Society of Periodontology. In 2016, the Academic Centre for Dentistry has provided him with a regular chair position.

Dr Van Dooren attended the Katholieke University in Leuven, Belgium, where he received his degree in dentistry in 1982. After graduation, he opened a private practice in periodontics, fixed prosthodontics, and implants in Antwerp, Belgium. He is an active member of the European Academy of Esthetic Dentistry. Dr Van Dooren lectures nationally and internationally mainly on esthetics, implants, and esthetic periodontal surgery.

Dr. Hans van Pelt, MSc, PhD, dentist and specialist in prosthodontics (EPA) and restorative dentistry (NVvRT), Visiting Clinical Professor, Medical Center, University of Groningen/Netherlands