Dr Deane graduated from the University of Sydney with a Bachelor of Dental Surgery with Honours and was awarded the University Medal.
After practicing dentistry in Shepparton, she returned to Sydney to work in private dental practice. She also contributed to the public sector through her work at the Westmead Centre for Oral Health and in teaching undergraduate dental students, at the same time completing her Fellowship of the Royal Australasian College of Dental Surgeons.
Dr Deane returned to the University of Sydney and completed a Masters of Dental Science in Orthodontics with Honours. Her special areas of research were Root Resorption and Oral Appliance Therapy for the Management of Obstructive Sleep Apnoea, on which she has published several papers.