sydney periodontist centre


Professor Alessandro Quaranta (Prof Q) has been in specialist practice for 15 years since completing his specialist training from the “University of Rome,” La Sapienza”, the top university in Italy* and the largest University in Europe.

Born Italian, Prof Q is an Australian AHPRA registered Specialist Periodontist with a PhD in Dental Implantology with extensive clinical expertise in the surgical treatment of periodontitis, peri-implantitis and implant treatment in complex cases and patients. He is the Clinical Professor of the Discipline of Restorative and Reconstructive Dentistry at the School of Dentistry, University of Sydney and Senior Clinical Specialist at the Department of Periodontics Sydney Dental Hospital. He maintains a private practice position as Chief Clinical Consultant and Scientific Education Coordinator of the Smile Specialist Suite, Newcastle and the Smile Specialist Suite, Neutral Bay (Sydney), NSW.

His research and clinical work has succeeded in the publication of more than 180 Research outposts, of which more than 120 are full text scientific articles on peer reviewed scientific journals, making him one of the most productive Australian Researchers in the field of Periodontics and Dental Implantology of all times.

Based on his extraordinary balance of educational, research and clinical skills, Prof Q is regularly invited in lecturing about periodontal and implant topics by several academic institutions and scientific societies around the world.

His research, teaching and clinical activities have contributed to positively inspire numerous health practitioners, university students and scholars through the sharing of his knowledge and innovation.

This has resulted in a tremendous improvement of the quality of care provided to periodontal and dental patients across the world and disruptive innovation in scientific teaching and research.

In 2019, Prof Q has been awarded the National Scientific Qualification (ASN) from the Ministry of Education, University and Research (MIUR) which is the highest academic qualification in Italy that qualifies for a Full Professorship. From 2018 to 2020, he has been the Professor of Periodontics at the School of Dentistry and Oral Health of the Griffith University, Queensland where he also served as the Director of the Doctor of Clinical Dentistry, being at that time the youngest full-time Dental Professor in Australia.

Previously, he has been the Lead of the Discipline of Periodontics Implantology at the University of Western Australia (UWA), one of Group of Eight Australia’s leading and research-intensive universities, where he was the Founding Leader of the UWA Research Program in Oral Implantology and Periodontics. From 2016 to 2018 Prof Q also coordinated the Specialist Clinical Service in Periodontics and Implantology of the Oral Health Centre of Western Australia, the only public specialist service in Periodontics of the whole WA State.

He has also worked as Senior Lecturer at the prestigious University of Otago, Dunedin, New Zealand.

Prof Q’s was appointed as the Clinical Professor of Periodontics at the University of Sydney in 2021. Being such an advocate for education, he has continued to position himself in both educator and learner’s seats. In 2023, he accrued a Master of Business Administration (MBA) from the ranked No. 1 program in Australia by the University of Queensland with a scholarship.

*CWUR World University Rankings


  • Chief Clinical Consultant and Scientific Education Coordinator at the Smile Specialist Suite, Newcastle NSW.
  • Clinical Professor, School of Dentistry, University of Sydney
  • Senior Clinical Specialist at the Department of Periodontics of the Sydney Dental Hospital.


  • Dental Board of Australia, General Dentist and Specialist in Periodontics
  • New Zealand Dental Council, Specialist in Periodontics
  • Member, Australian Dental Association
  • Member, Australian and New Zealand Academy of Periodontists
  • Member, Asia Pacific Society of Periodontology
  • Member, Australian Society of Periodontology
  • Member, International Team for Implantology
  • Fellow of the Pierre Fauchard Academy
  • Fellow of the International College of Dentists
  • Fellow, Italian Society of Oral Surgery and Implantology
  • Italian Dental Council, General Dentist and Specialist
  • Member, Italian Society of Periodontology
  • Visiting Professor, School of Dental Medicine. State University of New York at Buffalo, USA
  • Hinman Student Research Award. The University of Tennessee, Health Science Centre. College of Dentistry. Memphis, USA
  • NSW/ACT Regional Committee Member, Royal Australasian College of Dental Surgeon
  • Dental CPD Advisory Committee Member, University of Sydney Dental School


When he is not busy with university commitments and his patients, Alex enjoys travelling with his wife, Lizzy (Dr. Lizzy Hui) and their baby-boy Leonardo, swimming, relaxing on the beach while reading a good book. In coherence with his Italian origins, he enjoys cooking Italian dishes, tasting good wines and experiencing other cuisines.

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