The Smilegroup Team




Dr Katherine Ngu (Principal)
Paediatric Dentist

Dr Katherine obtained her Bachelor of Dental Surgery and Master of Dental Science in Paediatric Dentistry at the University of Sydney and is also a Fellow of the Royal Australasian College of Dental Surgeons (FRACDS). In addition, she is also a Member of the Special Field of Paediatric Dentistry of the College.

She has worked in both public and private practice for over 16 years and has held specialist roles at the Sydney Dental Hospital and Westmead Hospital.

She is a member of Australian Dental Association, Australasian Academy of Paediatric Dentistry, American Academy of Pediatric Dentistry, Australian and New Zealand Society of Paediatric Dentistry and the Royal Australasian College of Dental Surgeons.

Dr Katherine has a clear love for what she does and for the children she works with, this is reflected through her warm, patient and professional manner. At home, she enjoys reading to her son each day.

About us
Meet our
Children's Dental care


Dr Andrew Hooton
MBChB, SHEFFIELD, UK, 1987, FANZCA, 2003 Anaesthetist

Dr Andrew Hooton has over 14 years of anaesthetic experience including paediatric anaesthetic training and medical paediatric experience. His areas of special interest are paediatric anaesthesia, ultrasound guided regional anaesthesia, obstetric, urology and hand surgery. Dr Hooton has worked regularly with Dr Katherine for the last five years. He has three young children, a cat and two chickens.


Dr Connie Tao
MB, BS(Hons.)(Syd), FANZCA, 2004

Dr Connie Tao graduated from the University of Sydney in 1996 with First Class Honours at graduation and the Zammit Award for Final Year. She is currently a fractional staff specialist at Westmead Hospital and is a VMO Anaesthetist at Hornsby & Ku-Ring-Gai Hospital. Dr Tao has undertaken further study in Transoesophageal Echocardiography. Her areas of special interest are paediatric anaesthesia, cardio-thoracic anaesthesia, obstetric, regional anaesthesia, head and neck/ENT anaesthesia and airway management. Dr Tao enjoys traveling with her husband and two children.

Dr Deidre Sun
MB,BS(Hons) Sydney 1990, Dip. Child Health, RCP(UK)1993, Dip. Obstetrics and Gynaecology, RCOG(UK) 1994, FANZCA 2002

Dr Deidre Sun began her anaesthesia experience in the UK in 1995 and completed her training at Westmead in 2002, including further training as a paediatric anaesthesia fellow at the Children’s Hospital at Westmead, Sydney. She had two further years anaesthesia experience as a clinical research fellow in Vancouver, Canada.

She currently works at Blacktown and Bankstown Hospitals and also at several private hospitals in Western Sydney. Her areas of special interests are paediatric anaesthesia, neuroanaestheisa, and airway management. Dr Sun also has interests in rock climbing, telemark skiing and surfing, which she actively pursues in her spare time.

111 Showground Rd, Castle Hill NSW 2154
Phone: 9680 8368   
Fax: 9680 7688



Shops 1&2 17-21 Hunter St
Parramatta NSW 2150
Phone: (02) 9635 4222
Fax: (02) 9635 7009

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