The 22nd Annual Meeting of the Chinese Orthodontic Society- (International Session Rebroadcast)

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COS (Chinese Orthodontic Society) is one of the world's preeminent orthodontics research and clinical care organization dedicated to the prevention and treatment of malocclusion. Its objective is precisely what IOF continues to pursue. In order to implement mutual understanding, IOF was work as a key partner with COS to support its annual academic meeting held in Xi’an, China, on October 26th to 28th,2023. The COS annual meeting is a national event in China, attracting nearly 6,000 participants across a wide range of research, scientific, and clinical backgrounds, all focused on improving outcomes for patients.

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Dr. Ravindra Nanda
BDS, MDS, PhDEmeritus Editor-in-Chief, Progress in Orthodontics Adjunct Faculty, The ADA Forsyth Instutiute Cambridge, Ma, 02142 Emeritus Professor Division of Orthodontics School of Dental Medicine UConn Health Farmington, CT 06030 USA
Dr. Ravindra Nanda is an Emeritus Professor in the Division of Orthodontics at the School of Dental Medicine, UConn Health, where he has been a faculty member since 1972 and was part of its founding team.
He also serves as an adjunct faculty member at the ADA Forsyth Institute in Cambridge, USA and the Emeritus Editor-in-Chief of Progress in Orthodontics. A pioneering innovator in orthodontics, he has developed various appliances and contributed extensively to the field. His research and clinical interests encompass adolescent and adult orthodontics, the biology of tooth mobility, craniofacial orthopedics, biomechanics, and the development of efficient mechanics to enhance orthodontic treatment.
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Dr. Will Andrews
Co-Director, The Andrews Foundation
Dr. Will A. Andrews completed dental education at the University of California at Los Angeles (UCLA) and orthodontic education at the University of California at San Francisco (UCSF).
 He is a Diplomate of the American Board of Orthodontics, past-president of the Southern California Component of the Edward H. Angle Society of Orthodontists, and Co-Director of the L.F. Andrews Foundation for Orthodontic Education.  He is a visiting lecturer at UCSF, an adjunct assistant professor at West Virginia University and an adjunct associate professor at the University of North Carolina.  He has published articles and lectured worldwide about the Six Elements Orthodontic Philosophy and co-authored the forthcoming textbook titled The Six Elements Orthodontic Philosophy©™. He has maintained a private practice limited to orthodontics in San Diego, California since 1992.
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Dr. Domingo Martín Salvador
Creator of FAS, FACE Aligner System
B.A. University of Southern California M.D. University of Basque Country D.D.S. University of Basque Country

M.S. in Orthodontics University of Valencia

Diploma For Functional Occlusion – Roth Williams Center 1991-1993 San Francisco California

Diploma Foundation for Bioesthetic Dentistry 2004-2006 Portland, Oregon

Active Member Angle Society of Europe

President of the Angle Society 2014-2016

Juan Carol Prize for Best Presentation at the S.E.D.O.(Spanish Society of Orthodontics) 1991

President of the S.E.D.O. Meeting (Spanish Society of Orthodontics) 2000

Diplomate of the European Society of Orthodontics (EBO) 2008

Director of  FACE – Spain

Visiting Professor – University of Barcelona - Orthodontic Department

Visiting Professor University Complutense of Madrid - Department of Orthodontics

Creator of FAS – FACE Aligner System

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Dr. Alberto Canabez
Co-Creator of FAS, FACE Aligner System
Diploma in Orthodontics and Functional Occlusion at the Roth-Williams Foundation Exclusive practice limited to orthodontics

Private practice in Barcelona, Spain

Professor of the Roth-Williams Postgraduate Orthodontics since 2002 (San Sebastián, Spain)

FACE teacher in courses in Spain, Uruguay, Turkey, Romania, Russia, Poland, Ukraine and China

Visiting professor of the Master of Orthodontics at the Complutense University of Madrid (Madrid, Spain)

Visiting professor of the Master of Orthodontics at the University of Barcelona (Barcelona, Spain)

Member of the Spanish Society of Orthodontics

Roth Williams Society Member

Honorary member of the Dawson Academy

Creator with Dr Domingo Martin of FAS Face Aligner System

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Dr. Keiji Moriyama
Chair of Section of Maxillofacial Orthognathics Department of Maxillofacial Reconstruction and Function, Tokyo Medical and Dental University
Professor and Chairman, Dept. of Maxillofacial Orthognathics (Orthodontics), Tokyo Medical and Dental University Graduate School, 2007-present.

 Dean, School of Dentistry, Tokyo Medical and Dental University, 2014-2017

Deputy Dean, Tokyo Medical and Dental University, Faculty of Dentistry, 2017-present

President, Japanese Division, International Association for Dental Research, 2023-present

President, The Japanese Society for Jaw Deformities, 2022-present

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Dr. Takashi Ono
Professor and Chair, Department of Orthodontic Science, Tokyo Medical and Dental University (TMDU) Graduate School
Takashi Ono is Professor and Chairman of the Department of Orthodontic Science, Graduate School Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
 He studied at TMDU, the University of British Columbia, Canada and the University of Copenhagen, Denmark. Prof. Ono worked and has been working as an Adjunct/Visiting Professor at 6 domestic and 5 international universities. He also serves as an editorial board member for 12 international peer-reviewed journals. He has published 11 book chapters and 286 scientific articles and has been invited extensively for lecturing nationally and internationally. Prof. Ono is a recipient of IADR/AADR Williams J. Gies Award in 2018, SIDO Anthony Gianelly Award and Honorary Membership of Taiwan Association of Orthodontists in 2020. He was appointed as Chairman of the 9th International Orthodontic Congress (IOC) in 2020 and is currently a member of the Executive Committee of the World Federation of Orthodontists (WFO).
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Dr. Seung-Hak Baek
Professor of Department of Orthodontics School of Dentistry, Seoul National University
Dr. Baek was trained in Department of Orthodontics, Seoul National University Hospital and got MSD and PhD from Seoul National University in Seoul, Korea. He is Professor, Department of Orthodontics, School of Dentistry, Seoul National University; President of Korean Association of Orthodontists (2022-2024); and Past President of Korean Cleft lip and Palate Association (2017-2019).

In addition, he is a member of Editorial Review Board of Angle Orthodontist, a Peer reviewer of AJODO, EJO, PIO and other journals, and an Associate Editor in Orthodontic Craniofacial Research and AJODO-Clinical Companion. He received a 2009 CDABO Case report of the year in Boston AAO meeting and gave presentations in 2010, 2011, 2012, 2016, 2017, 2019, 2023, and 2024 AAO meetings. He published more than 200 articles in prestigious orthodontic and surgical journals and around 50 books. His subspecialty is diagnosis and treatment of Class III malocclusion, cleft and craniofacial anomalies, and artificial intelligence.


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Dr. Hyo-Sang Park
Professor and Chair, Department of Orthodontics, Kyungpook National University, Korea
Dr. Hyo-Sang Park is a professor and chair at Department of Orthodontics, Kyungpook National University, Daegu, Korea.

He had done many pioneer works and extensive research on development of microimplants since 1998. He has used microimplants for 24 years and owned ten patents and wrote more than 100 international articles, six textbooks, and eight chapters dealing with Orthodontic Microimplants.

His articles were cited in the orthodontic journals over 9,500 times and he has spoken to world-renowned orthodontic meetings more than 80 times as a keynote speaker and provided 2 or 3 days of microimplants training course internationally more than 230 times. He is serving as a reviewer for AJODO, Angle Ortho, EJO, Progress in Orthodontics, Orthodontics and Craniofacial Research, J of Orthodontics, KJO, and other journals. Dr. Hyo-Sang Park is doing researches concerning clinical use of microimplants, its biomechanics, and experiments to improve Microimplants treatment.