Dr Liddelow completed a Bachelor of Dental Science and a Master of Dental Science from the University of Western Australia and a Doctorate in Clinical Dentistry (Prosthodontics) from the University of Sydney. He is a Member and Fellow of the Royal Australasian College of Dental Surgeons, a Fellow of the Pierre Fauchard Academy and a Fellow of the International College of Dentists. He is a member of the Australian Prosthodontic Society, the Australasian Osseointegration Society and the Academy of Osseointegration. Dr Liddelow is a prosthodontist primarily concerned with both the surgical and prosthetic aspects of implant dentistry. He is a consultant prosthodontist at Princess Margaret Hospital, Royal Perth Hospital and an examiner for the Academy of Australian and New Zealand Prosthodontists. He is a current reviewer for the Australian Dental Journal. He has lectured widely both nationally and internationally. His research and publications include immediate loading, surface technology, implant aesthetics and treatment of advanced bone resorption.