Keynote Speakers

Dr Eric Liou (Taiwan)
Dr. Eric Liou is an associate professor and the immediate past chairman of the Faculty of Dentistry, Chang Gung Memorial Hospital & Chang Gung University, Taipei, Taiwan. He is also a visiting professor in the Department of Orthodontics, Showa University, Tokyo, Japan. For the profession affiliations, Dr. Liou is currently the immediate past president of the Taiwan association of Orthodontists, and the immediate past president of the World Implant Orthodontic Association. Currently, he is the Vice President of the Asian Pacific Orthodontic Society (APOS) and an editor of the APOS Trends in Orthodontics. His main research interests are distraction osteogenesis, TADs, orthodontic tooth movement, platelet rich plasma, and bone physiology. Dr. Liou has numerous presentations especially on the topics of Class III orthognathic camouflage treatment, treatment of occlusal cant and facial asymmetry with yin-yang arch wires, accelerated orthodontic tooth movement with platelet rich plasma, maxillary orthopedic protraction, surgery first orthognathic approach, and TADs.
Dr. Sercan Akyalcin (USA)

Dr. Akyalcin received his training from the Orthodontic Program at The University of Texas Health Science Center at Houston. Currently, he serves as the director of the advanced education program of Orthodontics at Tufts University School of Dental Medicine in Boston/MA. In his career as a dental educator and orthodontist, he has published more than 40 peer-reviewed papers, seven book chapters, co-authored an orthodontic textbook, and has received many prestigious awards including the American Association of Orthodontists Full-time Faculty and American Association of Orthodontists Foundation Fellowship and Biomedical Research Awards. He serves actively on the editorial review board of American Journal of Orthodontics, Angle Orthodontist, and some other prominent dental journals. Dr. Akyalcin has been honored as an invited speaker at many national and international meetings.

Dr Simon Graf (Switzerland)
Dr. Simon Graf has a specific interest in the translation of production of orthodontic appliances in the digital world. He started in the beginning of 2014 with a cad/cam-procedure for 3Dmetal-printed rapid-palatal-expansion device(hyrax) directly from an intraoral scan. As soon he was able to establish a standardized protocol for this appliance, he continued to work on the herbst-appliance, lingual arch etc. and proceeded to bone-borne appliances. As the materials are evolving, he is now working on acrylic direct printed removable appliances. Also, he is involved in the development of self-designing appliance software. He is lecturing about these topis since 2016 worldwide. Dr. Simon Graf has published many articles like Digital Applications in everyday practice: Yes we (s)can or how far do we want to go? Inf Orthod Kieferorthop 2017, Direct printed metal devices The next level of CAD/CAM applications in the orthodontic care. APOS Trends in orthodontics 2017, Computer-aided design and manufacture of hyrax devices: Can we really go digital? Am J Orthod Dentofacial Orthop 12.2017 etc.
Dr Ntwampe Marvin Choma (South Africa)

Marvin Choma is a senior orthodontics registrar in the University of Pretoria and has been in the department since 2014 in a developmental post. He completed his undergraduate at the University of Pretoria in 2010. Since 2014 he has been involved in the University’s Dentistry Marketing committee in various roles.

He was actively involved in SADA in various capacities such as an exco member of the Pretoria branch, YDC member and went on to serve as a SADA national exco member from 2014 until 2016. He was the 2014 winner of the Young Researcher’s Award (SADA congress 2014 in Durban).

Dr Saad Dasoo (South Africa)

Personal Contact Details: 

Title:                                                  Dr

Military Rank:                                  Major

First Name:                                      Saad  

Surname:                                          Dasoo

Permanent Residence:                 Roshnee, Vereeniging


Personal Information: 

Gender:                                             Male

Nationality:                                      South African

Date of Birth:                                   1978-08-24

Race:                                                 Indian

Marital Status:                                Married

Children:                                          One Child 

Tertiary Education and Qualifications:

Qualification:                                  Bachelor of Dental Science

Name of Institution:                      University of the Witwatersrand

Year of Graduation:                       2004 

Qualification:                                  Postgraduate Diploma in Dentistry (Orthodontics)

Name of Institution:                      University of Pretoria

Year of Graduation:                       2010 

Qualification:                                  Postgraduate Certificate Course in Oral Implantology Name of Institution:                       University of Pretoria

Year of Graduation:                       2014 

International Professional Registrations:

Name:                                                World Federation of Orthodontists

Category:                               Student Member


Name:                                                American Association of Orthodontist

Category:                               International Student Member


Employment History: 

Name of Institution:                      Sefako Makgatho Health Sciences University

Location:                                          Garankuwa, South Africa

Period:                                   March 2016 – Current

Position:                                Registrar MDent (Orthodontics)


Name of Institution:                      South African Military Health Service

Location:                                          Pretoria, South Africa

Period:                                   1 May 2008 – Current

Position:                                Registrar MDent (Orthodontics)

Rank:                                     Major


Name of Institution:                 Dr S Dasoo (Private Practice)

Location:                                          Vanderbijlpark, South Africa

Period:                                   1 July 2005 – 30 April 2008

Position:                                General Dentist


Name of Institution:                 South African Military Health Service

Location:                                          Heidelberg Dental Treatment Facility and

Dunnottar Dental Treatment Facility

Period:                                   1 July 2004 – 30 June 2005

Position:                                Community Service Dentist

Punkaj Govan (South Africa)

Punkaj Govan is the SADA Head of Corporate and Governance Affairs. He started at DASA the predecessor Association in July 1997 and was engaged in the unity discussions prior to the formation of SADA. Throughout his journey at SADA he has written numerous articles in the Journal and provided ethical, practice management and professional advice to members, the Association, specialist and special interest groups. He has facilitated the move from a s21 company to the non-profit company and ensured all envisaged governance processes are in place. Together with Committees and management, he is responsible for ensuring SADA submission on proposals, policy documents, legislation and regulations are made on time. He continually engages with the regulatory on various ethical and professional matters and represents the Association at various stakeholder meetings. He is currently finalising the editing of the book “Manual for Dentists starting practice”.

Prof Tony McCollum (South Africa)

Professor McCollum graduated from the University of the Witwatersrand in 1970 with a BDS degree. From 1974 to 1976 he studied post graduate orthodontics at the University of the Witwatersrand graduating with an HDD (Orth) and an M.Dent degree in 1978. He was in the private practice of orthodontics from 1977 to 2017 and served on the post graduate teaching staff in the Department of Orthodontics at the University of the Witwatersrand until January 2019. His research was focused mainly on orthognathic surgery, has lectured locally and overseas on multiple occasions. He has published internationally and locally, has contributed several chapters in books on orthodontics and co-authored a book on orthognathic surgery. He is an international editor of Seminars in Orthodontics. He is a past president of the South African Society of Orthodontics, is married to Louisa, has three grown children and has recently retired to Plettenberg Bay.