Avondale Dental Centre

Meet the Team at Avondale Dental Centre

Welcome to Avondale Dental Centre. We look forward to getting to know you and your family.

Our mission is to provide exceptional dentistry designed to promote good oral health and a confident smile. Our experienced dentists combine the latest modern dental technology with their extensive training and experience to restore optimum function and aesthetics.

As a private dental clinic, we are able to spend time with our patients, learning about their goals and developing a relationship based on trust. 

Dr. Sinan at our Avondale Auckland dental office

Dr Sinan Najar

Principal Dentist

Avondale dentist Dr Sinan Najar attended the University of Baghdad College of Dentistry, earning his BDS in 1990. He also participated in a progressive orthodontic training program to gain the knowledge and experience necessary to provide our patients with traditional orthodontics, Invisalign and Six Month Smiles.

Dr Najar is a current member of the following organisations:

  • Auckland Dental Association
  • Former Committee Member and Treasurer of Auckland Dental Association
  • Founding Member of New Zealand Academy of Cosmetic Dentistry
  • Member of New Zealand Society of Sedation Dentistry

'My practice philosophy is based on a deep, personal belief in the importance of each patient's dental and oral health. Our Avondale Dental Centre pledges to provide the best dental care in a compassionate environment.'

When away from the clinic, you will find Dr Najar playing soccer, swimming, playing sport with his children and walking with his dog.

Dr. Crum at our Avondale Auckland dental office

Dr David Crum


I grew up in the area, attending Green Bay High, then Otago University. My postgraduate study is in Restorative Dentistry and was also completed at Otago University

I started the Practice in 1987,  in 2003  became Chief Executive of the NZ Dental Association.

Since then  I continue to work part-time at the practice treating patients who in many instances have seen me since I started working in this practice 30 years ago.

My work within dentistry nationally and internationally has seen me awarded Honorary Fellowships from the International College of Dentists, The Academy Dentaire International, and The Pierre Fauchard Academy.

I have played a significant role in developing dental standards in NZ, mentoring young dentists and the promotion of oral health issues in the media and with Government.

Oral health therapist at Avondale Dental Centre

Priyanka Sharma

Oral Health Therapist

Priyanka earned her Bachelor of Science degree before advancing her education with her Bachelor of Oral Health degree. She is the past Secretary of the New Zealand Dental Hygienists Association (Auckland) and joined the Avondale Dental Centre team in 2015.

'I love meeting and getting to know people from different walks of life as well as helping and motivating people to have a great smile and to feel good about themselves.​ ​I love to bake. I love food. Ironically, I also love to keep fit and healthy by spending some alone quality time with my headphones at the gym or outdoors.​'

Receptionist/Office Manager at Avondale Dental Centre

Aileen Henry

Receptionist/Practice Manager

Aileen is often the first face you will see when you visit our clinic. She joined our team in May 2000 and helps patients enjoy a cheerful welcome and successful visit.

'I enjoy helping patients and the wide variety of tasks required throughout my day.'

When Aileen is away from the clinic, you will most often find her catching up with friends, walking her dogs, gardening, reading and travelling.

Dental Assistant at our Avondale Auckland dental office

Lisa Marsh

Dental Assistant

Lisa is an Auckland native and earned her Certificate in Dental Assisting in 1988.

Additional Certifications:

  • Level-4 Qualified by New Zealand Resuscitation Council
  • Certified in Sterilisation and Infection Control

As an assistant, Lisa has the opportunity to get to know our patients and assist Dr Najar in a wide variety of procedures. She joined our team in 2011.

When Lisa is relaxing, you can find her walking, gardening and spending time with family.

Dental Assistant at Avondale Dental Centre

Mayree Prettes

Dental Assistant

Mayree comes from Butiá, Rio Grande do Sul, Brazil and is one of the newest members of our team, joining the practice in late 2017.

Certificates and Qualifications

  • Emergency and urgent care focused on cardiopulmonary arrest - UNISINOS (Brazil)
  • Nursing graduation incomplete - UNISINOS (Brazil)
  • First Aid course - Fatepa (Brazil)
  • Phlebotomist course - Fatepa (Brazil)

‘I love to work at Avondale Dental Centre because I have an opportunity to learn and improve my knowledge by working with the most qualified people in New Zealand. For me, it is a pleasure to be part of a team who really wants to make a difference in people's lives.’

When she is enjoying her free time, you will find Mayree relaxing at home with her partner catching up on television programmes and watching movies.

A Healthy smile is just a click away.
Disclaimer: The information throughout this site is not intended to be taken as medical advice.
Any surgical or invasive procedure carries risks. Before proceeding, you should seek a second opinion from an appropriately qualified health practitioner.