Associate Professor Richard Widmer received his Master's Degree in Paediatric Dentistry from the University of Melbourne. The majority of his paediatric clinical practice over the last 30 years has been at the Westmead Centr for Oral Health and The Children's Hospital at Westmead. He holds the position of Associate Clinical Professor in Paediatric Dentistry, The University of Sydney, and Head of the Dental Department at The Children's Hospital at Westmead. He is a very active clinician and lecturer, presenting to students and graduates in all branches of the Health Sciences, both locally and internationally. Over the years he has held a number of positions within his speciality including, the Presidency of the International Association of Paediatric Dentistry, the Australasian Academy of Paediatric Dentistry and the Australian and New Zealand Society of Paediatric Dentistry. Professor Widmer co-edited both the very popular "Handbook of Pediatric Dentistry" now in it's fourth edition and in seven languages and the booklet “Paediatric Dentistry: Dental Care for Children. A guide for parents “.