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Dr Choo Johanna

Dr Choo Johanna

​BDS (Singapore)

MSD (Orthodontics) (USA)

Certificate in Orthodontics (USA)

Diplomate American Board of Orthodontics (USA)

Senior Consultant

Senior Consultant, Department of Orthodontics, National Dental Centre Singapore

Specialty: Orthodontics

Academic Appointments

  • Faculty of Dentistry, National University of Singapore


​Dr Choo graduated from National University of Singapore in 1991 with a Bachelor of Dental Surgery. She later pursued her post graduate studies at the University of the Pacific, USA, obtaining a Master of Science in Dentistry (Orthodontics), followed by a Certificate in Orthodontics in 1995. She was conferred the title of Fellow of the Academy of Medicine (Singapore) in 1999.

In 2005, Dr Choo obtained the Diplomate of the Amercian Board of Orthodontics and was invited to showcase her work at the Annual Meeting of the American Association of Orthodontists in San Francisco. She is currently one of a handful of American board certified orthodontists in Singapore.

In addition to her clinical practice, Dr Choo is also a senior clinical lecturer in the NUS-NDC Orthodontic Residency Programme. She has also been involved in research and has presented at several international and local symposiums. She is currently a Senior Consultant at the National Dental Centre Singapore and is a visiting consultant at Changi General Hospital.


  • ​Diplomate, American Board of Orthodontics - 2005
  • Certificate in Orthodontics, University of the Pacific, US – 1995
  • Master of Science in Dentistry (Orthodontics), University of the Pacific, US – 1995
  • Bachelor of Dental Surgery, National University of Singapore – 1991

Professional Appointments and Committee Memberships

  • Member, Dental Specialist Accreditation Committee: 2007-2010 and 2014-2017
  • ​Diplomate, American Board of Orthodontics: 2005
  • Fellow, Academy of Medicine Singapore: 1999
  • Member, Association of Orthodontists (Singapore): 1995
  • Member, Singapore Dental Association: 1991


  • 20 Years Long Service Award, SingHealth: 2016
  • Quality Service Award – Silver: 2015
  • 10 Years Long Service Award, National Dental Centre Singapore: 2006

Research Interests


  • Esthetic outcome of 2 methods of impacted teeth. Journal of Clin. Perio. Supplement 30 2003 (supplement 4); 89
  • Effects of inhibiting periosteal migration on growth of the guinea pig mandible. Biological mechanisms of tooth movement and craniofacial adaptation – 1996
  • Periosteal migration and growth of the quinea pig mandible. AJODO August 1995 (abstract)

Research Trials