Dr Trudy Lin is a Specialist in Special Needs Dentistry in South Australia, providing oral healthcare to people living with disability, dental phobia, trauma, and complex medical conditions (including cancer). She has over a decade of experience in both the public and private sectors. Dr Lin is the founder and principal specialist of Extra Mile Dental, a Specialist Special Needs Dental Clinic offering home visiting services in South Australia.

Dr Lin is a clinical tutor and supervisor at the University of Adelaide, serves on the Board of Studies of Special Needs Dentistry for the Royal Australasian College of Dental Surgeons (RACDS), and is an examiner for the RACDS Membership Examinations and the Australian Dental Council (ADC).

She also holds numerous board positions, including with the National Advisory Committee for the Centre of Excellence in Intellectual Disability Health, and the International Advisory Committee for the International Association of Disability and Oral Health (IADH). Dr Lin has also served on the Australian and New Zealand Academy of Specialists in Special Needs Dentistry Executive Committee.

Her research thesis, focused on improving access to oral healthcare for people with disability, has received international acclaim through the International Association of Dental Research (IADR), winning the Australian and New Zealand division of the IADR Research Competition in 2020. Her contributions and advocacy in the oral healthcare sector have been recognised with multiple accolades, including Young Australian of the Year for South Australia (2022), Fellowship to the Pierre Fauchard Academy (2017), and Fellowship to the International College of Dentists (2022).