(03) 9729 4585 [email protected]

Meet Our Team

Welcome to Heathmont Family Dentistry

We take great pride in creating a magnificent smile. Behind every great smile is a dedicated team. Meet the professional team at Heathmont Family Dentistry.

About Dr Martha Johnson


Dr Martha Johnson has a passion for cosmetic dental procedures, she understands the fundamentals which make a smile attractive and has developed the precise artistic skills to make these a reality for her patients since her graduation in 1980 from the Methodist University, São Paulo, Brazil.

Dr Johnson also completed Post-Graduation/Specialisation course in Paedodontics (Pediatric Dentistry) from the Universiy Camilo Castelo Branco, São Paulo, Brazil in 1983 and a Post-Graduation/Latu-Sensu in Tertiary Education/Teaching from the University of Rondonia, Brazil in 1998.

Since her graduation 35 years ago, she regularly has attended and completed education programs and always participates of Dental Congresses and Conventions. This ensures that the patients always receive the latest in dental care.

She has attended courses in Australia and overseas in Cosmetic Dental Treatments, CAD/CAM (computerised restorations), Fixed Orthodontic treatment Treatment, Removable Orthodontic/Orthopaedic Treatment, Clinical Foundation of Orthopaedics and Orthodontics (Early Orthodontic Treatment, Interceptive and Fixed Orthodontic Therapy, Maxillo Facial Orthopaedics).

Dr Johnson moved from Brazil to Australia in 2002 with her family, has become an Australian citizen and feels at home as she has embraced the Australian culture.

On her leisure times, Dr Johnson likes to meet up with family and friends. Her hobbies are oil painting, scrapbooking, cooking (she thinks she’s a Masterchef!) and cake decorating, and of course, travelling whenever possible.

About Dr Jessica Portuondo


Dr Jessica completed her Bachelor of Dental Science in 2009 and is accredited by the Australian Dental Council and a member of the Australian Dental Association. She has worked in various private and public practices and has experience in all aspects of General Dentistry. She is professional, gentle and believes in providing the best care and empowering patients to manage their own oral health care.

Jessica regularly attends Continuing Professional Education seminars and courses, making certain her skills are up to date.

Outside Dentistry she loves dancing and going to the movies. She is fluent in Spanish.

About Dr Teodoro Karpyn


Dr Teodoro Karpyn is a qualified Dentist and Dental Prosthetist and is accredited by the Australian Dental Council, member of the Australian Dental Association and Australian Dental Prosthetist Association.

Teo successfully owned a dental surgery in Venezuela (country of origin) where he worked as a dentist practicing all areas of General Dentistry for more than 20 years. He also worked as a Prosthetist for over 4 years, applying his extensive clinical experience in the prosthetics area creating functional and aesthetic dental removable appliances.

This father of four believes that family and friends are the most important thing in the world. He loves cooking, entertaining and sharing recipes with his love ones. He is fluent in Spanish.

About Dr Gabriela Rios


Dr Gabriela completed her Bachelor of Dental Science with honours, she is accredited by the Australian Dental Council, and a member of the Australian Dental Association. She has experience in all aspects of General Dentistry. Her caring nature and skills help anxious patients to feel relaxed and have a good experience at the dentist.

Dr Gabriela also has wide knowledge on treating children, she likes to make their dental care enjoyable. Her goal is providing the best treatment to restore patients’ smile while promoting healthy oral habits. In her free time, she enjoys baking and spending time with her family and friends. She is fluent in Spanish.


Natalie Spadavecchia

Oral Health Therapist

Natalie completed her Bachelor of Oral Health at Charles Sturt University in 2016. Beginning her career in the industry as a Dental Assistant back in 2008, this was where her passion for dentistry emerged. During her career as an Oral Health Therapist Natalie has had the opportunity to work with several leading dental practices throughout Australia with Dentists specialising in different fields of dentistry.

A welcoming and engaging clinician, she values providing a comfortable, gentle and educational experience in the dental chair, helping her patients understand the importance of oral health and its connection with systemic health. Natalie enjoys spending her time with her family and keeping active outdoors.


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