Prosthodontics – Programme Directors / Specialist Committees


Programme Director

Associate Professor Keson Tan

Associate Professor Keson Tan is Director of the Graduate Prosthodontic Programme (NUS) since 2001 and a Senior Consultant at the National University Health System (NUHS). He graduated with BDS (Honours) from NUS in 1985 and received his MSD and Certificate in Prosthodontics from the University of Washington, Seattle in 1992. He holds memberships in the Academy of Osseointegration, the American College of Prosthodontists, the International College of Prosthodontists, the International Association for Dental Research, the Academy of Medicine, Singapore and is a Fellow of the Royal College of Surgeons of Edinburgh. From 2001 to 2009, he served as Dean of the Faculty of Dentistry, NUS and concurrently Chair, University Dental Cluster, NUHS. He is Past-President of the Prosthodontic Society of Singapore, Past-President of the IADR Southeast Asian (SEA) Division and has served on the Singapore Dental Council for 3 terms. He currently sits on the Dental Specialist Advisory Board of Singapore.

Programme Associate Director

Clinical Associate Professor Teoh Khim Hean

Clinical Associate Prof Teoh Khim Hean graduated with Bachelor of Dental Surgery (BDS) from the National University of Singapore in 1988 and obtained his Masters in Prosthodontics in 1994. He was awarded the Health Manpower Development Programme (HMDP) Fellowship to pursue further training in Maxillofacial Prosthetics at the Memorial Sloan-Kettering Cancer Center, New York in 2001. Currently, he is the Deputy Director (Clinical) at the National Dental Centre, Singapore (NDCS). He is also the Head of Department of Restorative Dentistry at the centre and an Associate Director for the Prosthodontics Residency Programme at the National University of Singapore. He is a Visiting Consultant at the Singapore National Eye Centre. In 2003, he established the Prosthetic, Speech and Swallowing Rehabilitation Clinic (PSSR) at NDCS. The PSSR Clinic provides a multidisciplinary management for patients with speech and swallowing disorders following radiation therapy, surgical resection or cerebro-vascular disorders requiring prosthetic intervention. His research interest is in developing a behavioural intervention to improve oral health for persons with cognitive impairment. He is involved in philanthropy to raise funds for the center’s Oral Health Academic Clinical Programme for needy patients, research and education. Despite his busy schedules, he has been actively involved in numerous maxillofacial prosthetic outreach programs in India, Ethiopia, Thailand and Egypt.

Committee Members

Professor Chew Chong Lin

Prof Chew Chong Lin is a full time staff at the Faculty of Dentistry, National University of Singapore. He holds the appointment of Emeritus Consultant, University Dental Cluster at the National University Health System.

He obtained his basic dental degree from University of Singapore in 1971. He then went for further training in Dental Materials, Prosthetic Dentistry and Fixed & Removable Prosthodontics. In 1999, he obtained his PhD from the National University of Singapore.

Prof Chew is a Prosthodontist who teaches and does research in the areas of Dental Materials, Prosthodontics and Dental Implants and is also active in the practice of Prosthodontics.

Clinical Associate Professor Chua Ee Kiam

Adjunct Associate Professor Ansgar Cheng

Dr Ansgar Cheng is a Dental Specialist in Prosthodontics with Specialist Dental Group®. He is also an Adjunct Associate Professor with the National University of Singapore, an Honorary Clinical Associate Professor with the University of Hong Kong, a Consultant at the National University Hospital, an Examiner (Prosthodontics) with the Royal College of Dentists of Canada and External Examiner (Prosthodontics) at College of Dental Surgeons of Hong Kong.

Dr Ansgar Cheng received his dental training from the University of Hong Kong and his specialty training in Prosthodontics from Northwestern University, Chicago. He is a Fellow of the Academy of Medicine, Singapore, the Royal College of Dentists of Canada and the Royal Australasian College of Dental Surgeons.

In addition to his clinical work, Dr Cheng is a member of the Editorial Review Board for the Journal of Prosthetic Dentistry , the International Journal of Prosthodontics and the Singapore Dental Journal . He was the recipient of three JC Hickey scientific writing awards from the Journal of Prosthetic Dentistry and speaks regularly at conferences and seminars in Canada, USA, Taiwan, Malaysia, Indonesia and Hong Kong.

Dr Cheng has a special interest in dental implants, crowns and the dental treatment of medically compromised patients, particularly head & neck cancer patients.