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Dr Koo Chieh Shen

Dr Koo Chieh Shen

BDS (Spore), MClinDent (Orthodontics) (UCL), M Orth RCSEd (Edinburgh), FAMS (Spore)


KK Women's and Children's Hospital

Specialty: Orthodontics, Dentistry

Conditions Treated by this Doctor:
Alveolar Bone Graft (ABG) for Children born with Cleft Lip and Palate, Braces, Cleft Lip and Palate in Children, Invisalign for Teens and Adults, Lip and Palate, Malocclusion, Obstructive Sleep Apnea - The Dental & Maxillofacial Management, Orthodontics, Orthognathic Surgery for OSA, Sleep Disorder Breathing.

Clinical Appointments

  • Consultant Dental Service KK Women's and Children's HospitalKK Women's and Children's Hospital
  • Consultant Cleft & Craniofacial Dentistry Unit KK Women's and Children's HospitalKK Women's and Children's Hospital
  • Consultant Cleft & Craniofacial Centre KK Women's and Children's HospitalKK Women's and Children's Hospital


Dr Koo Chieh Shen acquired his dental degree at the National University of Singapore in 2011. He completed a 3-year specialist Orthodontic training programme at the Eastman Dental Institute, University College of London. He subsequently gained his Membership in Orthodontics with the Royal College of Surgeons of Edinburgh in 2016.

He is a highly experienced and passionate orthodontist, aiming to deliver the highest quality of care and orthodontic results for his patients. He has special interests in treating patients with Invisalign, tooth autotransplantation, sleep disordered breathing, surgery first orthognathic approach and other novel methods.

In addition, he enjoys participating in annual volunteer mission trips, which continuously seeks to improve the lives of children born with facial deformities.


  • Bachelor of Dental Surgery, National University of Singapore, 2011
  • Masters of Clinical Dentistry in Orthodontics (Advanced training), University College London, 2016
  • Membership in Orthodontics, Royal College of Surgeons (Edinburgh), 2016
  • Dental Specialist Accreditation, Dental Specialist Accreditation Board (DSAB) (Orthodontics), Singapore, 2021

Professional Appointments and Committee Memberships

Committee Memberships
  • Chairperson, Association of Orthodontists (Singapore) Congress 2023
  • Social Co-chairperson, Association of Orthodontists (Singapore) Congress 2019
Professional Memberships
  • President, Association of Orthodontists (Singapore), 2023 - present
  • Fellow, College of Dental Surgeons, Singapore, 2021
  • Member, World Federation of Orthodontists, 2017
  • Member, Royal College of Surgeons (Edinburgh), 2016
  • Member, Cleft Lip and Palate Association of Singapore, 2016


  • Service From the Heart, KK Women’s & Children’s Hospital, 2018 & 2022
  • Silver award at Singapore Health Quality Service Award (SHQSA) organised by SingHealth, Jan 2020 & 2023
  • Undergraduate Research Opportunities Programme (UROP), First prize (2011)

Research Interests

  • Growth and interceptive treatment
  • Invisalign
  • Autotransplantation
  • Temporary anchorage devices
  • Surgery first orthognathic approach
  • Obstructive sleep apnoea
  • Cleft and craniofacial deformities


  • Koo CS, Chan BH, Yee R. Multiple traumatised upper incisors in children treated by autotransplantation and orthodontics – a 4-year follow-up. Aust Orthod J. 2023 39(2), pp. 160-173.
  • Koo CS. Letters From Our Readers - Evaluation of root resorption in lower incisors after orthodontic treatment of skeletal Class III malocclusion by three-dimensional volumetric measurement with cone-beam computed tomography. Angle Orthod. 2023 Nov;93(6):749.
  • Gandedkar NH, Koo CS, Chng CK, Por YC, Yeow VKL, Sng KW. Role of the ‘Craniofacial Orthodontist’ in a ‘Craniofacial Team’. J Indian Orthod Soc. 2018 Apr, 52(5):4-13.
  • Gandedkar NH, Koo CS, Sharan JS, Chng CK, Vaid NR. The temporary anchorage devices research terrain: Current perspectives and future forecasts! Semin Orthod. 2018 Mar, 24(1):191-206.
  • Gandedkar NH, Koo CS, Chng CK. Recent advances in orthognathic surgery, diagnosis and management: 3D image acquisition, virtual surgical planning, rapid prototyping, and seamless surgical navigation. J Contemp Ortho. 2017 Mar, 1(2):12-19.

Research Trials