2nd Annual Emirates Orthodontic Society Congress (EOSC). Students option

Inventó los tornillos OBS (OrthoBoneScrews). Es Diplomado de Junta Americana de Ortodoncia (American Board of Orthodontics – ABO) y miembro activo de Angle Society-Midwest. El Dr. Chang es editor de JDO y es autor y coautor de muchos libros de ortodoncia, incluyendo «Orthodontics» vol. 1-6, así como «Words of Wisdom, Jobsology and Trumpology». Recibió su doctorado en fisiología ósea y Certificado en Ortodoncia por la Indiana University-Purdue University Indianapolis. El Dr. Chris Chang es fundador y presidente de Newton’s A & Beethoven Orthodontic Center, en Taiwán.

Korean leading specialist in the use of skeletal anchorage in orthodontics Professor and Chairman of the Department of Orthodontics of Yonsei University College of Dentistry Lecturer's main topic of ​​interest: biomechanics of miniscrew-driven orthodontics, non-extraction treatment in adults, up-to-date lingual orthodontic mechanics and surgery-first approached using TADs

Junto con los doctores William Arnett y Stefan Milam escribió el artículo “Retrusión mandibular progresiva - reabsorción condilar idiopática”. Tiene muchas publicaciones en la revista Dentistry Today.

- Runs a private practice in Tunis (Tunisia) that specializes in the use of advanced technologies to produce aesthetic and efficient customized solutions for his patients. 

- He is recognized as a world leader in Modern Orthodontics. He lectures frequently internationally on different topics (Lingual orthodontics, Clear Aligners Treatments, passive self-ligation, and TADs). 

- Dr. Ellouze has written several articles, and recently published a book titled: Mini-Implants: Orthodontics for the future (Quintessence International in French, English, Russian) 

- Dr Ellouze has received his Degree in Dental Surgery from the Faculty of Monastir (TUNISIA) and completed his Post-Graduate Certification in Orthodontics at the University of Bordeaux (C.E.C.S.M.O - France) and has been Post-Graduated in Lingual Orthodontics at the University of Paris V.