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DR. TOMMASSO CASTROFLORIO. DDS, Orthod Spec, PhD.

• Dr. Castroflorio obtained his DDS Degree from the University of Torino, Italy, in 1998; In 2001 he was certified as a Specialist in Orthodontics summa cum laude from the same University. In 2007 he obtained his PhD in Human Morphology from the University of Milan, Italy. In 2009 he completed a postgraduate course in Orofacial Pain at the University of New Jersey, USA
• Since 2014 he is an aggregate Professor of the Chair of Orthodontics and of the Specialization School of Orthodontics of the Dental School of the University of Torino, Torino, Italy and he is involved in international research projects focused on aligner orthodontics.
• Since 2019 is the educational and clinical coordinator of the Specialization School in Orthodontics of the University of Torino.
• He is author or co-author of more than 100 publications on peer-review journals, national dental journals and of chapters of books.
• He serves as reviewer for the most important dental journals in the field of Orthodontics and Oral Physiology.
• He is member of the Editorial Board of the Journal of Aligner Orthodontics edited by Quintessence.
• He was the recipient of the Align Research Award in 2014, 2016, 2017, 2018, 2019,2020 for single or multi-center studies.
• Active member of the Italian Society of Orthodontics (SIDO), he is also a member of the World Federation of Orthodontics (WFO), of the European Orthodontic Society (EOS) and International member of the American Association of Orthodontists (AAO)
• He is a founding member and board member of the European Aligner Society.
• His private practice is located in Torino, Italy.

ABSTRACT
ALIGNER ORTHODONTICS, FROM BASIC SCIENCE TO CLINICAL APPLICATION

Clear orthodontic aligners represent the most successful innovation in the orthodontic field in the last 20 years. However, despite the increasing use of this appliance since the early 2000s, only in the last ten years academic research started to produce quality papers to investigate aligners’ efficiency and clinical outcomes. Several papers have been published, including some systematic reviews, but still several concerns remain regarding the efficiency of these appliances in controlling all the possible orthodontic tooth movements. Among the reasons why the overall efficiency of clear aligners is still under debate, the force transmission mechanisms represent one of the least investigated. Lack in aligners’ biomechanical data is related to the difficulty in studying mechanical perturbation induced by an appliance in an in-vivo setting. The use of Finite Element Analysis and the clinical testing of the hypothesis tested on 3D models can increase a lot the clinical efficiency of Aligner Orthodontics. The lecture will provide some example of this approach in Class II treatment mechanics, anterior extrusion and rounded teeth rotation mechanics.