The Experteeth Dentists

Dr Hong Chang, BDSc (Hons, Melb)


Member of Australian Dental Association (ADA)
Member of Australasian Academy of Dento-facial Aesthetics (AADFA)
Member of Australian Society of Implant Dentistry (ASID)
Member of International Team for Implantology (ITI)
Member of International Congress of Oral Implantologists (ICOI)
Invisalign Certified Dentist

Dr Hong Chang was born in Fujian, a southern province of China. He moved with his family to Sydney at the age of 14, where he completed his High School Education in Killara High, graduating as the Dux of the Year. He then made the move to Melbourne for his dental education. After graduating with Honours from the University of Melbourne, Hong have worked in both Public and Private practices across different Metropolitan and Rural locations, gaining a variety of experiences, before returning to Chatswood Sydney, where he opened his first surgery, Chatswood Dentistry. In just three years time, Chatswood Dentistry grew from being a single chair solo practice to a multi-location multi-practictioner dental group – Experteeth Dental – a remarkable achievement in today’s competitive market!

During his study time, Dr Hong is always a pursuer of perfection. Since graduation Dr Hong has attended multiple Continuing Professional Education courses to further his training in Dentistry including trainings in Dental Implants and Cosmetic Dentistry. Dr Hong is now associated with the Australian Dental Association, Australian Society of Implant Dentistry, the International Congress of  Oral Implantologists, and Australasian Academy of Dento-facial Aesthetics. With his extensive education and experience in dentistry, Dr Hong strives to make a difference for the patients seeking his treatment and care.

Dr Hong understands seeing a dentist can be a nervous and sometimes scary experience for some patients. His always gentle in his approach, patient in his attitude, and caring in his procedure. He is a quick and precise surgeon and a caring doctor combined. Rest assured that, under his care, your concerns will be addressed in the most caring and most pain-free way.

Dr Christina Yan Zheng, BE (Hons), BMedSc, DDS (Melb)


Christina Yan Zheng graduated from Melbourne Dental School. She has worked both in public and private clinics in Melbourne before moving back to Sydney. She grew up in the North Shore area, and have studied both biomedical engineering and medical science in Sydney University. After one year of research experience with Sydney Dental Hospital, she was inspired by the professional manner from her dental colleagues, and determined to advance her career in helping people gain confidence and smile as a dentist.

Christina enjoys welcoming patients of all ages and backgrounds. She listens to the concerns of her patients and encourages them to take control of their oral health through sharing her knowledge and experiences in dentistry. Christina has participated in dental educational courses and conferences to keep up to date with the latest dental treatment options. She strongly believes in ongoing professional development to ensure that she achieves the best outcome for her patient. Helping people have confidence in their smiles and enjoying food through healthy teeth is what makes career satisfaction for Christina.

Outside dentistry, she enjoys Pilate and dancing, spending time with family and friends, celebrating life with sunshine and food. Christina also speaks fluent Mandarin and Cantonese.

Dr Joshua Su, BDSc (Hons, Melb)


Dr Joshua Su obtained his dental training in the University of Melbourne, graduating with Honours. Soon after graduation he came to Sydney, having worked in different areas including Sydney CBD, Chatswood, Burwood and Hurstville, before establishing Parramatta Dental Centre. Throughout his career as dentist, he shows great passion for his services and genuine care towards his patients. Dr Su delivers all aspects of dental services including preventive dental care, dental fillings, dental extractions/wisdom teeth surgery, dental implants, dental crowns and cosmetic dentistry.

Dr Su has special training and interests in orthodontics or braces, as well as preserving teeth with root canal treatments and subsequent restorations. He has attended multiple conferences, both local and international, especially for orthodontics or braces treatment. Dr Su’s treatment philosophy emphasises prevention and teeth preservation with minimal invasive procedure. He is dedicated to create and deliver healthy and beautiful smile to the people, family and the communities alike, using his skills, experience and state of the art technology. Dr Su is a certified provider of Invisalign, as well as POS braces system.

Dr Stephen Graham B.D.Sc


Is a 3rd generation dentist who has worked at this practice for the past 42 years, after taking over this from his father in 1979.
He worked at the Royal Prince Alfred Hospital in Sydney, mainly in conjunction with facial trauma, fractured jaws, oncology and haematology departments, for the initial 2 years of his career. Followed by a year in Northern Territories of Canada(in the Artic Circle)

For the past 40 years he still maintained his interest in minor oral surgery, as well as general and crown and bridge dentistry.
He also has a deep passion for Eastern philosophy, meditation and yoga.

Dr Rachel Cheng, B OHDSc GradDip Dent


Rachel graduated from University of Griffith in class of 2012, enthusiastic and determined to pursue a dental career built upon mutually benefiting experiences for both her patients and herself.

She is friendly and professional, passionate about providing excellent dental treatment to all her patients to meet their needs and wants. She has a passion for all areas of general dentistry with special interest in surgical procedures and welcomes patients of all ages including children.

She is also passionate about overseas volunteer dental work for the less fortunate and have accumulated much experience on previous mission trips to Inda, Phillippines and Thailand.

Apart from work, she enjoys spending time with her family, developing her hobbies such as dance and loves to travel.

Dr Berwyn Liu B.D.Sc


Dr Berwyn Liu completed his dental degree from Charles Sturt University with multiple academic scholarships and awards. After graduating, he has gained experience and received mentoring in both public and private practices across various locations in regional and metropolitan NSW. Dr Berwyn is passionate about providing the highest quality of care to all patients while creating a relaxed and friendly experience.

Dr Berwyn comes from a Chinese background and moved to Sydney with his family at the age of 11. He is fluent in Mandarin and can understand basic Cantonese.

Outside work, Dr Berwyn enjoys health & fitness, travel and has been involved with volunteering and outreach programs both in Australia and overseas.