Dr Peter Keay


Dr. Keay received his Bachelor of Dental Science degree with Honours and his Masters of Dental Science from the University of Queensland in 1980.

Dr Keay then commenced work as Dentist-in-Charge at the Monto hospital west of Bundaberg and then advanced his career as a dentist to the Ipswich Oral Health Clinic. After specialising in Orthodontics in 1990, he then worked on the north side of Brisbane at the Children’s Oral Health Service and Royal Children’s Hospital. Dr Keay then began his specialist orthodontic career in a private practice at Sunnybank.

As a former President of the Australian Society of Orthodontics (Queensland branch), he maintains an active interest in the society and regularly attends state and national study meetings. He is a member of the Australian Dental Association, the American Association of Orthodontists, and a Fellow of the World Federation of Orthodontists. Dr Keay has a son, two daughters and three grandchildren. Family life has always kept Dr Keay very busy with his wife. When Dr Keay is not involved with the practice, he enjoys going to theatre events, cooking up a storm and spending time with family.

Dr Annu Nangia


Dr Nangia received her Bachelor of Dental Science degree from the University of Melbourne and obtained her Masters of Dental Science in Orthodontics from the University of Sydney in 2001.

Dr Nangia also received a Bachelor of Science degree from Monash University in Melbourne. Dr Nangia began her career as a dentist with Queensland Health in 1996, working in Hervey Bay and Indooroopilly before commencing a specialist orthodontic practice in 2001 with Dr Peter Keay.

Dr Nangia is a member of the Australian Dental Association, past president of the Australian Society of Orthodontics (Queensland), and a Fellow of the World Federation of Orthodontists. Dr Nangia has scope of practice in forensic dentistry and is the past president of Australian and New Zealand Forensic Science Society (Queensland). Dr Nangia is current chair of the Australian Society of Orthodontists Foundation for Research and Education committee.

When Dr Nangia is not involved with the practice, she enjoys spending time with her family and spontaneous adventures.

Yi Shan

Oral Health Therapist (BOH)

Yi Shan first entered the world of dentistry working for Queensland Health back in 2012 at the Children’s Oral Health Service and Royal Children’s Hospital. She graduated with a Bachelor of Oral Health from the University of Queensland and has been working in both public and private practices ever since. Yi Shan is an active member of the Dental Hygienist’s Association of Australia (DHAA) and stays up to date with the latest evidence-based practice and research for optimal patient care.

Outside of dentistry, Yi Shan enjoys playing music as a member of the Queensland Medical Orchestra and volunteers in medical and dental aid programs to give back to the community. She also likes to spend quality time with her family, friends and pets.


Clinic Co-Ordinator / Dental Assistant

Lindy began her dental career in 2015 as a student dental assistant at a dentist in Coorparoo who specialised in laser dentistry then advanced her career into orthodontics. Lindy has completed a Certificate III in Dental Assisting and a certificate in Orthodontic Assisting. Lindy started her role as clinic co-ordinator at KN Orthodontics in early 2019. Lindy also has a Certificate II in Animal Studies along with a Certificate IV in Veterinary Nursing.

Lindy enjoys time with her family, friends and her German Shepherd Sultan. Lindy also enjoys going on car club adventures with her 1973 Volkswagen Beetle.



Jo is a very experienced and dedicated receptionist after spending 17 years in medical administration for a doctor’s surgery. Jo has since joined the team at KN Orthodontics in October 2019 as a receptionist and her bubbly personality is well received by our patients.

Jo enjoys gardening, spending time with her family and adoring her chocolate Labrador Winston. In the future, when the time is right, Jo would love another Burmese cat to join the family. Jo also enjoys a relaxing holiday to Noosa – for her love of the beach and a spot of shopping.  


Dental Assistant

Mel started her career in general dentistry with the biggest private practice in Victoria. She soon completed a National Certificate in Dental Nursing then pursued her State Certificate provided by the Victorian Dental Board.

Mel advanced her career from general to specialist orthodontics in Melbourne. Her husband’s career took a sea change and they relocated to Brisbane. Since moving to Brisbane, Mel worked for another private practice in Carindale as a clinic co-ordinator. Mel has been a part of the KN Orthodontic team since 2015 and enjoys working for a smaller private practice. Mel has previously worked as a barista and horse-riding instructor in her spare time when she lived in Melbourne. Mel is a huge Dr. Who fan and is waiting for her ride in the Tardis.


Dental Assistant

Abbey joined KN Orthodontics early in 2022 and has not looked back from her career change. Once Abbey completed year 12, she stared working as a barista and kitchen hand at a café while working a social media marketing job for another company. Abbey has enjoyed her new career so far in dental assisting and seeks to follow through with further study. In her spare time, she enjoys reading, playing video games, game board nights with family, exploring new places to try new foods and going on relaxing camping adventures. Abbey would love to have a pet at some point in the future, but for now being the ‘favourite’ aunty in her family is her main focus.