Our Doctors | Sydney Specialist Orthodontist | The Ortho Practice

Our doctors

The doctors at The Ortho Practice are committed to providing you with the very best treatment outcomes. They do so by keeping up-to-date with the latest in orthodontic treatments in technology, and ensuring each patient has a fully custom experience at our practice.

Dr Theodor Baisi

Dr Theodor Baisi


Dr Baisi completed his Bachelor of Dental Surgery and Master of Dental Science (Orthodontics) from the University of Sydney and worked with the highly respected doctors, Dr J. F. Reading and Dr D. J. Bradley.

In 2001, The Ortho Practice was born. After a number of years, Dr Baisi acquired the business and set about developing it further as a practice of excellence and distinction. The Ortho Practice continues today enjoying great results for all patients with Dr Baisi’s expertise and energetic and fun personality.

As well as operating this highly regarded private practice, Dr Baisi’s devotion to his profession has led him to hold a variety of teaching positions at the University of Sydney. Over the years, he has lectured and tutored at both undergraduate and postgraduate levels, maintaining his educator role today as Appointed Lecturer (part-time) Discipline of Orthodontics.

Dr Baisi is also an active member of the greater orthodontic community, holding many titles including a number of years as President of the Australian Society of Orthodontists, NSW Branch. He is now the Treasurer of the Australasian Orthodontic Board and Treasurer Elect of the Australian Society of Orthodontists (National).

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Dr Andrew Zhang

Dr Andrew Zhang

Andrew received his dental training in Singapore, graduating with a Bachelor of Dental Surgery degree in 2014.

He worked as a dental officer under the Ministry of Health Singapore for four years after graduation, rotating through various public institutions.

Being drawn into the aesthetic concepts behind orthodontics and dentofacial orthopedics, Andrew pursued his interest further with the specialist training at the University of Sydney and received his Doctor of Clinical Dentistry in Orthodontics.

Upon graduation, Andrew decided to continue living in Australia due to its seasonal climate, beautiful scenery and laid-back lifestyle.

Andrew is currently a member of the Australian Society of Orthodontists and the Australian Orthodontic Board. Andrew is effectively bilingual in English and Mandarin Chinese.

In his free time, he volunteers weekly at a nursing home in Surry Hills and likes to keep active in the gym.

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Dr James Scott

Dr James Scott

James completed his dental studies in 2010, graduating with a Bachelor of Dentistry from the University of Sydney.

He had always been drawn to the lifestyle the Central Coast has to offer and has worked in the area since.

After graduating James was always keen to pursue further studies in orthodontics and has completed additional training in Invisalign and braces, finishing the University of Sydney long course in 2019.

Outside of work, James loves being outdoors with his three young children.

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Our doctors

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Find Us

Maroubra practice

Level 1 822 Anzac Parade
NSW 2035

(02) 9344 7081

Kincumber practice

84 Avoca Dr
NSW 2251

(02) 4369 2209