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Our friendly and experienced staff are always ready to help.

At Rien Dental, our highly skilled and qualified staff will provide you with comprehensive dental treatment options. Rien Dental team will always make it a priority to ensure that you are made to feel comfortable and at ease throughout your visit to the practice. 


We choose to use Australian based laboratories who produce our crowns, bridges and dentures right here in Melbourne. This allows us to guarantee the quality, and you can expect a longer lasting, more durable product.

Meet Our Team

Dr Sylvio Tang

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Dr Changjie Guo (Practice Principal)
B.D.S GCClinDent (Mel)


Changjie has gained extensive experience in all aspects of dentistry since graduating in 1998. He is an active member of the Australian Dental Association and attends regular seminars and training courses, to ensure that he maintains the highest standard of care with the best dentistry has to offer, especially in implant dentistry and orthodontics.

Changjie's gentle and caring manner towards his patients has contributed to building long-term relationships with his patients.

His commitment to the art of dental excellence allows him to achieve the highest levels of clinical success for his patients. He enjoys working with his patients to ensure their optimal dental health and satisfaction in helping them maintain their teeth for life.


In his free time Changjie enjoys spending time with his wife and their two boys, playing soccer and badminton, swimming, travel and photography.

All clinical photographs and radiographs on this site are actual patients of Dr Changjie Guo.


Dr Sylvio Tang (Dentist)
B.D.S (Otago)


Sylvio graduated from the University of Otago in 1973. He has been practising in Mentone for more than 35 years and has built an excellent reputation throughout the area.

He is an active member of the
Australian Dental Association and regularly attends specialty-training courses and is experienced in various aspects of dentistry, including general and cosmetic dentistry.

Dr Katie Adamson (Dentist)
B.D.S (Ade)


Katie graduated from The University of Adelaide with a Bachelor of Dental Surgery and has experience working in both public and private dental sectors.


She looks after all her patients to a very high standard, focusing on each as an individual when formulating a treatment plan. She also makes certain her patients understand all treatment and procedures, and ensures they receive the most out of their dental care. Katie has developed a strong rapport with patients of our practice.

Madi   Junior Dental Assistant


Madi joined us in 2021 and her passion and consideration of patients makes her a valuable member of our practice. 


Lexi   Senior Dental Assistant


Lexi joined us in 2020. She is liked by her patients and enjoys seeing the pleasing results and smiles at the end of each appointment.

Natalie    Senior Dental Assistant


Natalie joined us in 2019 and she enjoys seeing patients happy and relaxed after their appointment, and is eager and willing to learn.

Dr Changjie Guo
Dr Sylvio Tang
Dr Katie Adamson
A big thank to the staff who had worked with us
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