Northern Beaches Dental Group

Meet the Team at Northern Beaches Dental Group

The team at Northern Beaches Dental Group strives to provide highly personalised dental care. With over 40 years of combined dental experience, our multilingual dentists offer a complete range of dental services. They enjoy getting to know their patients, and  consider them part of their extended dental family.

We look forward to meeting you in person and  can't wait to welcome you to our Dee Why, NSW dental surgery.

If you would like to learn a little about us before your first scheduled booking, you can browse through our team's biographies, which are listed below. 

Dr Livia De Haan

Principal Dentist

Dr. Livia qualified as a Dentist at the University of Rio de Janeiro, Brazil, where she has done further postgraduate studies with a double degree in Pediatric Dentistry and Orthodontics. After spending 7 years working in her own private practice in Brazil,  she moved to Australia in 2004.  

Dr Livia is passionate about preventative dentistry and early intervention in Orthodontics, as well as adult Orthodontics and Invisalign. She is committed to ensuring that all patients get the highest possible care in the most fun and gentle manner. 

Dr. Livia also has a special interest in Facial Aesthetic / Injectables.


  • American Association of Orthodontics
  • Brazilian Society of Orthodontics
  • World Federation of Orthodontics 
  • Australian Association of Facial Aesthetics 

Outside of Dentistry, Livia loves to spend her time with her 2 children, family and friends.

She is an avid reader and enjoys playing tennis, bush walking and the beach where she can often be found  playing "frescobol ".

Naomi Preedy


Naomi completed a Bachelor of Oral Health at the University of Newcastle in 2010 however started her passion in the field well before offering over 15 years dental experience. 

As a hygienist her main focus is to make patients feel comfortable, well informed and confident throughout their treatments. She finds her role very rewarding and loves working with adults and children from all walks of life. She has a passion for the overall well-being of her patients and strives to provide the best care for their needs.

Growing up close to the beach and nature, she enjoys long hikes and keeping fit outdoors. 

Dr Anastasiya Valiushka

Associate Dentist

Dr. Anastasiya is a fourth-generation Dentist in her family, and she feels most at home when she is at work. She grew up in Belarus, moved to Canada as a teenager, and now feels fortunate to call Sydney her home. With her warm and genuine personality, it is easy to forget that you are in a dentist’s office, and it is most important for her that patients feel comfortable in her care. 

Dr. Anastasiya is dedicated to establishing and promoting oral health, and she is thorough and comprehensive in treatment planning for her patients. Dr. Anastasiya will work through and explain all available options to you, to assure your ultimate satisfaction. She is passionate about all aspects of the dental field: from urgent dental care to restorative and cosmetic work.

In her spare time, Dr. Anastasiya loves spending time with her friends, enjoying weekends at the beach, and promises to one day finally take those surfing lessons she always wanted to.  She is a big coffee fan, food enthusiast and most importantly, a huge animal lover. 

Contact Us to Arrange a Booking
02 80773100 | [email protected]
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