Precious Dental Centre
Dr William Chong

BDS, MScD (Singapore)

FRACDS (Australia)

Dr. William Chong graduated from the National University of Singapore in 1985 with distinctions in Medicine, Oral Surgery and Operative Dentistry. He was accorded both the Singapore Dental Association and the Malaysian Dental Association’s Silver Medals, honours reserved for the top student in the fields of Medicine and Oral Surgery respectively.


He was further awarded the University Bronze Medal for achieving overall 2nd in the National University of Singapore’s Final Professional Examination.

Dr Chan Chee Hon


Dr Chan Chee Hon graduated from the University of Western Australia with a Bachelor’s degree in Neuroscience. Following this, he pursued his studies at the National University of Ireland (University College Cork) and qualified with Bachelor of Dental Surgery (Honours). He was conferred the distinguished title of College Scholar for outstanding academic achievement and the Irish Dental Council award for being the top student throughout the clinical course.


He is excited to serve the community through holistic patient-centric dental care, whilst tapping on his Neuroscience exposure to create a relaxed and comfortable environment employing cognitive behaviour techniques. In his spare time,  Dr Chan enjoys swimming, outdoor hikes and cooking.

Other Subsidiaries

Robertson Choo Oehlers & Lye
Dr Lewis Lee

BDS, MDS (Oral Surgery), FDSRCS (Edinburgh), FAM

Dr Lewis Lee graduated as a dentist in 1983 from the National University of Singapore and obtained a Masters in Oral Surgery in 1986. He followed this up with a Fellowship in Dental Surgery from the Royal College of Surgeons of Edinburgh in 1989. He then received recognition as a dental specialist in 1993 from the Academy of Medicine Singapore.


Dr. Lee underwent dental training in various institutions within the Ministry of Health Singapore, Singapore Armed Forces as well as a visiting dental specialist in the Royal Children; Royal Dental and Royal Melbourne Hospital in Australia. He practices a wide range of oral surgical procedures including the placement of dental implants and the surgical excisions of wisdom teeth, cysts and various lesions in the oral cavity.


Dr. Lee holds an adjunct teaching post with the National University of Singapore Dental Faculty as well being a Visiting Dental Specialist with the National University Hospital. He was the President of the Singapore Dental Association from 2001 – 2003 and again in 2007-2009 when Singapore hosted the World Dental Congress.

Dr Chung Kong Mun

BDS, MS (Temple U., USA), Cert in Periodontics (Temple U., USA), FAM (Periodontics)

Dr. Chung obtained his dental degree from National University of Singapore in 1983 and later completed his postgraduate training and obtained his Masters in Science and Certificate in Periodontics at Temple University Philadelphia, USA, in 1988


Dr. Chung served in the Ministry of Health and National Dental Centre from 1988 to 1998, and also completed research fellowships at both Eastman Dental Centre, University of Rochester and Harvard School of Dental Medicine.


Dr. Chung has been teaching part time at NUS for more than 20 years and served as an internal examiner for the NUS Master in Dental Surgery Programme (Periodontics). He has also presented many lectures, workshops and seminars in Brunei, Cambodia, China, India, Indonesia, Malaysia, Myanmar, Nepal, USA and Vietnam and authored a number of articles and abstracts in various peer-reviewed journals and other publications.


Dr. Chung left the public sector to become a partner in RCOLL in 1998, bringing with him more than 20 years of experience in Periodontics. His practice is limited to Dental Implants and Periodontics where he specializes in gum conditions and diseases such as gingivitis, bad breathe, gum abscess and recession.

Pacific Healthcare Specialist Centre
Dr Krushna Reddy

BDS (Singapore), BDS (Madras), MSc (UK) Pain Management (by research)

Dr. Reddy is a senior Dental Surgeon in Pacific Healthcare Specialist Dental Centre focusing on Cosmetic makeovers and Implant Dentistry.


The passion to provide an attractive smile for patients is realized with the combination of her experience of over 20 years, and using the CEREC-3D system, which is able to make aesthetic crowns/ veneers and fillings in a few hours. Cosmetic makeovers can be completed within days. She is also adept at root canal treatment using the surgical microscope and in children's dentistry.


A Dean’s list student, she graduated both from National University of Singapore and earlier from Madras Dental College in India. She also attained her Masters Degree in Pain Management (by research) from the University of Wales, UK, in 2000. She has also completed accreditation courses with the Australian Society of Implant Dentistry (ASID), as well as numerous continuing professional education courses in various aspects of general dentistry.

Dr Chan Lin-Li


Graduating from NUS in 1990, Dr. Chan was attached to the Ministry of Health as a dental officer for 2 years, after which she joined our group as an associate dentist in 1991.


Dr. Chan has developed her skill and expertise from 29 years of experience and is well versed in almost the entire spectrum of general dentistry from children's dentistry and braces to dental implants and wisdom teeth removal. She is warm, friendly and caring.


Dr. Chan is a certified CEREC practitioner, which is a computer-based ("CADCAM") system of producing aesthetic and durable restorations, crowns and bridges.

Dr Priyanji De Silva

BDS (Hong Kong)

FRACDS (Australia)

Dr. De Silva graduated from the University of Hong Kong, Faculty of Dentistry and has since acquired clinical experience abroad and locally. She provides a wide range of general dental care including all aspects of routine dentistry with a special interest in cosmetic (smile makeovers) and implant dentistry (replacing missing teeth to improve functionality).


She was awarded the prize for the most outstanding elective project by the University of Hong Kong upon graduation and has since obtained her fellowship with the Royal Australian College of Dental Surgeons, Australia. In addition to being registered in Singapore, Dr. De Silva is also registered as a licensed dental practitioner with the Dental Boards of Hong Kong, UK and the Sri Lanka.


Dr. De Silva devotes her free time perusing activities such as swimming, yoga and Latin American dancing. She takes an active interest in community service, having participated in multiple dental-medical missions in India and Sri Lanka to render free dental care for the needy.

Dr Alexia Kwan


Dr. Alexia Kwan graduated from National University of Singapore with Bachelor of Dental Surgery Degree. She served as a Dental officer in National Healthcare Group Polyclinics as well as in the SAF.


Dr. Alexia Kwan works closely with Dr. William Chong, whom she received her initial training in both cosmetic and dental implants.


She provides a wide range of general dental care with her principle areas of interest in these two areas (cosmetics and implants).

Atrai Pan Dental
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Dr Cliff Ong Keat Siong

BDS, MDS, MSc (Wales, UK), PhD (Newcastle Upon Tyne, UK), FDSRCS (England), FFDRCS (Ireland), FDSRCPS (Glasgow), FRACDS (Australia)

Dr. Ong is a specialist oral surgeon with over 17 years of clinical experience. After graduating from National University of Singapore, he furthered his training in Oral & Maxillofacial Surgery and graduated with a Master of Dental Surgery. He has a special interest in pain management, and had completed a master degree and doctorate in this field from University of Wales and University of Newcastle upon Tyne respectively. Dr. Ong is also a fellow of the Royal Colleges of Surgeons of England, Ireland, Glasgow, and Australia.


Dr. Ong is an adjunct senior lecturer in the Faculty of Dentistry at National University of Singapore and a visiting consultant at National University Hospital. He is a certified specialist in Oral & Maxillofacial Surgery by Singapore Dental Council. He is also certified in the use of intravenous sedation and laser dentistry from Albert Einstein College of Medicine and American Society of Laser Medicine & Surgery respectively. He has vast experiences in all the surgical aspects of dentistry, e.g. dental implants, cosmetic, wisdom teeth, pathology, trauma, reconstructive, pain and anxiety management.