About Us

Dr Diana Arcila

Dr Diana Arcila

Practice limited to Periodontics
BDSc (CES, Colombia)
MDS (Periodontics, Implantology, NYU)
MDS (Periodontics & Osseo-integration, UCC, Colombia)
MHlthLeadMgmt (UoW, Australia)
Member of ADA, ASID, AOS, ICOI, AADFA and ADSMG


Dr Diana established her own dental practice upon obtaining her Bachelor’s Degree in Dentistry (University CES, Colombia) in 2000. As the dental practice took on a successful path, Dr Diana continued her professional development obtaining Diplomas on Restorations over Implants and Advanced Oral Surgery.

Dr Diana’s passion for greater understanding and exploring of periodontal diseases and oral surgeries inspired her to achieve specialisation in Periodontics and Osseous Integration (Universidad Cooperativa, Colombia) and Implantology Oral Rehabilitation (New York University, USA) in 2007, with more than 1,800 implants successfully placed as of today. Dr Diana’s thorough knowledge and expertise in Periodontology was quickly recognized by Universidad Cooperativa in Colombia where she was invited to join their team of Lecturers in 2007.

Dr Diana has also traveled around the world attending conferences, workshops and symposiums to gain up-to-date knowledge on the latest developments, innovations and technology in the dentistry field. These countries include Brasil, Italy, India, USA, Spain and Argentina among others.

But Dr Diana’s professional development has not stopped there. In 2012 Dr Diana obtained a Master Degree in Health Leadership and Management (University of Wollongong, Australia) and completed an Eight-Week Internship at the Royal Hospital of Melbourne in 2014.


Dr Diana is an active member of the Australian Dental Association (ADA), the Australian Society of Implant Dentistry (ASID), the Australasian Osseo-integration Society (AOS), the International Congress of Oral Implantologist (ICOI) and the Australian Dental Sleep Medicine Group (ADSMG).

Dr Diana was also the representative for Colombia of the Brasilian Institution, Turma do Bem, coordinating and providing volunteer preventive and restorative dental care to children up to 17 years old from financially disadvantaged families throughout the entire Country. Dr Diana is currently an active Reserve Officer of the Colombian Government Army since 2007 providing volunteer dental care to communities living in remote areas of the Country.

We recognise Dr Diana’s passion for her career, outstanding achievements and desire to help the community with her outstanding knowledge and expertise in dentistry. We are very proud to have Dr Diana’s caliber with such exceptional skills, proficiency and leadership.

Dr Simon Briggs

Dr Simon Briggs

Practice limited to Oral Surgery & Implants


Dr Simon Briggs provides meticulous surgical skills in dental surgery, IV Sedation, dental implant procedures and bone regenerative procedures.

Dr Frank Quirk

Dr Frank Quirk

General Dental Surgeon
BDS (Syd.Univ.)


Dr Frank Quirk is a Sydney University Graduated general dentist with experience in all fields of Dentistry practicing in the UK and Hong Kong. He has interests in Children Orthodontics, Cosmetic Dentistry and has studied Occlusion in the USA. For 20 years he ran a successful practice on the Northern Beaches of Sydney. His experience allows him to give patients the best advise and options for their dental care. At the same time he is a lovely and caring doctor who everyone likes.

Dr Elina Castro

Dr Elina Castro

Dentist practicing dentofacial orthopaedics

Dr Elina Castro has over 20 years of experience working as a dentist both in Brazil and Australia. She has particular interest in treating malocclusion in deciduous dentition, with a focus on breaking unhealthy oral habits and restoring nasal breathing. As co-founder of the Dentofacial Institute, Elina works in conjunction with oral myofunctional therapists and functional appliances to facilitate optimal growth and development of the face. She also focusses on identifying and treating tongue and lip ties as early as possible to prevent feeding, speech, compromised facial growth and teeth crowding.

Marina Petrovic

Marina Petrovic

Master of Speech Language Pathology

Marina Graduated from The University of Sydney with a Master of Speech Language Pathology. Marina has experience working with children and adults of all ages with a variety of swallowing and communication needs.Since graduating, Marina has developed an interest in Oromyofunctional Disorders.She also has a passion for implementing a holistic approach to intervention by maintaining client/family centred while working alongside their multidisciplinary team.

In her free time, Marina enjoys spending time outdoors and with her family and friends.

Nada Makki-Karnib

Nada Makki-Karnib

Dual Qualified Speech Pathologist & Oral Myologist

MSpchLangPath, CPSP, BSc. Biomed. Sc

Nada Makki-Karnib is the principal speech pathologist at Q Speech & Learning Clinic with 20 years of combined experience as a hospital scientist and in private practice. She enjoys working with people of all ages in the treatment of communication and feeding disorders, with a particular interest and expertise in Oromyofunctional Disorders. As co-founders of the Dentofacial Institute and international speakers, Dr Elina Castro Blairs and Nada dedicate most of their professional time to promoting airway and sleep awareness and the impact of these on Dentofacial growth and development, particularly focusing on early interceptive facial orthopaedics. Nada’s collaboration with dental professionals and multidisciplinary approach in the care of her patients seeks to address the root cause of many of the communication and feeding difficulties children present with.

Dr Mariela Rosa

Dr Mariela Rosa

Practice limited to Prosthodontics & TMD Treatment


Dr Mariela Rosa was born in Brazil and graduated in Dentistry in 2008. She dedicated most of her professional life to study Prosthodontics to offer her patients the best and most modern types of treatment.

Her passion for dental implants, and complex rehabilitation, lead her to obtain a Specialist Degree in Implantology in Brazil, 2010. She also completed a Masters by Research in 2012 where she advanced her knowledge about occlusion and temporo-mandibular joints.

Dr Mariela worked as a University lecturer providing clinical/laboratory supervisions and helping undergraduate students to prepare themselves to be the next generation of amazing clinicians.

More recently, she completed her Master of Philosophy in Dentistry at The University of Sydney. She has experience with complex adult treatment, multi-disciplinary diagnosis, cosmetic procedures and treatment of temporo-mandibular disorders.