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Orthodontist and inventor specializing in functional orthopedics and dentofacial orthopedics. Inventor of Twin Block appliances (1977) and TransForce lingual appliances (2004). Founder of New Horizons Orthodontics in Scotland.

Over 50 years of orthodontic practice experience developing innovative functional appliances for Class II malocclusion correction and arch development. Twin Block technique became the most widely used functional appliance throughout the world for mandibular advancement, documented in thousands of successful clinical cases. Developed Fixed Twin Blocks representing the next logical advance in functional orthopedic therapy. In cooperation with Ortho Organizers, designed invisible TransForce lingual appliances for interceptive treatment through arch development, suitable for treatment from mixed dentition through adult therapy.

International lecturer having presented courses in over 50 countries during 35 years of educational activity. First recipient of Award of Distinction from the British Orthodontic Society for outstanding contribution to the specialty of orthodontics. Recipient of award from International Functional Association (IFUNA) in 2008 for personal outstanding international service to functionalism and orthodontics.

BDS. DDO (Diploma in Dental Orthopedics). DDSc (2010), thesis titled "New Horizons in Orthodontics and Dentofacial Orthopaedics." FDSRCS Eng (Fellow of the Royal College of Surgeons of England). Author of the textbook "Twin Block Functional Therapy: Applications in Dentofacial Orthopaedics" (Mosby, 2002), the definitive reference on Twin Block technique translated into multiple languages.

Professor and Chairman of Orthodontics specializing in advanced biomechanics, temporary anchorage devices (TADs), aligners, and dentofacial orthopedics. Chairman of the Department of Orthodontics at the University of Santiago de Compostela, Spain, since 1994.

Over 40 years of clinical and academic experience in contemporary orthodontics combining traditional biomechanics with digital workflows and skeletal anchorage systems. Director of the Master's Programme in Orthodontics at Universidad de Santiago de Compostela since 1996, training specialists from across Europe and Latin America. Creator and developer of the Straight Wire Low Friction orthodontic technique in collaboration with Rocky Mountain Orthodontics (Denver, CO). Director of International Orthodontic Center in Santiago de Compostela.

International lecturer teaching courses on microimplants, MARPE (miniscrew-assisted rapid palatal expansion), aligners, and hybrid treatment systems across Europe and Latin America. Scientific and clinical adviser to the Spanish Government, Galicia Government, Spanish Dental Council, and Spanish Dental Foundation. Editorial board member of five international dental and orthodontic journals.

MD from Faculty of Medicine, University of Santiago de Compostela (1983). DDS (Stomatology) from University of Oviedo, Spain (1985). PhD in Medicine from University of Santiago de Compostela (1985). Master's degree in Orthodontics from University of Valencia, Spain. Recipient of 12 awards and professional honors including Rodriguez Abaitua Award from the Royal Medicine Academy of Spain and Research Award from the Spanish Dental Council. Member of the European Orthodontic Society (EOS), Spanish Society of Orthodontics (SEDO), World Federation of Orthodontists (WFO), International College of Dentists, Pierre Fauchard Academy, and founding member of multiple Spanish orthodontic societies (ONO, AESOR). Author or co-author of 14 dental and orthodontic textbooks, 110 scientific articles, and 145 congress presentations and posters.

Specialist in orthodontics and temporomandibular disorders (TMD). Orthodontist and oral surgeon maintaining private practice in Erlangen, Germany, with second location in Nuremberg since 2016. Focus on non-compliance orthodontic treatment, adult orthodontics, and TMD management.

Over 30 years of clinical experience treating complex orthodontic and TMD cases. Developer of innovative treatment solutions for functional disorders and orthodontic efficiency. Expert witness and independent court consultant for orthodontics in Nuremberg/Fürth region.

Inventor holding EU/USA patents for the "SUS²/Sabbagh Universal Spring" (1996) and "Aqua Splint®" (2002) for TMD treatment. International lecturer since 1991, having delivered over 750 seminars and lectures worldwide on TMD management (AquaSplint concept), non-compliance orthodontics, and adult orthodontic troubleshooting. Lecturer at European Academy of Dental Education in Nuremberg and consultant for Forestadent, Dentaurum, 3M Unitek, and Teledenta. Member of Editorial Board of Quintessence Publishing and Scientific Board of IOS and AEO in Prague. Awarded Top Orthodontist by Focus Magazine, Germany (2018).

DDS. Chairman of the German Association of Orthodontics in Middle Franconia/Bavaria (2005). Chairman of the Professional Association of German Orthodontists (BDK) in Middle Franconia.

Andrea Deregibus