Graduated in 1997 from University of Western Australia in Perth, Dr Khairil Aznan joined Ministry of Health as a dental officer for nearly two years. He then joined University Kebangsaan Malaysia as a training lecturer and in 2001, he was offered a full scholarship to specialize in Orthodontics. He obtained Masters of Medical Science (Orthodontics) from University of Sheffield in 2003. He completed his Membership in Orthodontics from Royal College of Surgeons of Edinburgh in 2004. Currently, he is a Consultant in Orthodontics and Senior Lecturer in Department of Orthodontics, Faculty of Dentistry, University Kebangsaan Malaysia.

Dr Khairil Aznan believes that everyone deserves to have a great smile with well aligned teeth regardless of age. Besides aligning teeth using conventional metal & ceramic braces for aesthetics/ cosmetic/ oral health, Dr Khairil Aznan also uses the latest low friction Self Ligating Braces. He also uses clear aligners in patients who prefer to have their teeth aligned without having braces. Other than that, he is also involves in Dentofacial-Orthopaedic and uses Functional Appliances to correct jaw problems in growing children. His special interest is in Complex Orthodontics cases such as Orthognathic treatment (braces & jaw surgery).

Dr Khairil Aznan is a board member of the National Specialist Register (Orthodontics). He is also a member of Malaysian Association of Orthodontics & Academy of Medicine, Malaysia. He enjoys travelling with family and outdoor activities such as riding superbike, trekking & snorkeling.