Experience the difference when you choose Norwest Orthodontics

From the treatment, the service, through to the practice and affordability, you will feel confident knowing you have chosen the right orthodontic practice. Here are some of the reasons why you should choose Norwest Orthodontics:

Customised treatment to suit your needs

One size does not fit all. Our treatment options are customised to your individual needs and facial structure to achieve optimal results. Read more about our customised orthodontic treatment options.

Exclusively use Damon Q and Damon Clear brace system – the “Rolls Royce” of braces

Norwest Orthodontics is an exclusive provider of Damon Q and Damon Clear braces. Known as the “Rolls Royce” of braces, the Damon System is gentle, helps maintain a high standard of oral hygiene, is less painful, more comfortable, allows shorter treatment times, and requires fewer (if any) extractions. Read more about the benefits of having Damon Braces.

Certified Invisalign provider

If you’re ready for a smile that transforms your appearance, Invisalign may be your answer. Invisalign is an invisible brace that is aesthetically pleasing, comfortable, hygienic, and has incredible results. Find out the benefits of Invisalign.


We provide a premium service from the moment you enter into our practice through to your last appointment. Our staff are caring, professional and accommodating.

Focused on patient care and comfort

Our focus is on putting you in the centre of the entire treatment process so that you feel confident, comfortable, and calm. Patient care is extremely important to us and we are happy to answer any questions or concerns you may have throughout the treatment process.


Dr Shimanto Purkayastha is a board certified and registered specialist orthodontist with many years of experience, so you can feel confident knowing you’re in good hands. He lectures locally and internationally on all aspects of orthodontic care with a special interest in facial aesthetics, early (orthopaedic) treatment, and non-extraction treatment.

Dr Shimanto Purkayastha is a member of the Australian Dental Association, Australian Society of Orthodontists, World Federation of Orthodontists, American Association of Orthodontists, Royal College of Dental Surgeons in Edinburgh and the Royal Australasian College of Dental Surgeons.

Early intervention and preventive treatment

Dr. Shimanto Purkayastha has a special interest and actively practices early interceptive and preventive orthopaedic treatment. He has had years of experience dealing with young children with complicated cases helping to achieve optimal results.

Flexible interest free payment plans from $10 per day

We offer interest-free flexible payment plans to make treatment stress free and affordable, breaking the costs down over the treatment period. Treatment can be as little as $10 per day. Find out more about our flexible payment plans.

Experience our state-of-the-art facility

Our state-of-the-art practice is focussed on making you feel welcome and comfortable. We offer a variety of amenities for all our patients – a tropical fish aquarium, video games, barista coffee, movies to watch and more Read more about our practice.

Conveniently located in Norwest Business Park

Our practice is located in a convenient and easy to access location. We also have ample free visitor parking onsite.

Premium service at affordable prices

We have dedicated treatment coordinators for each patient, who will be glad to discuss fees with you before treatment begins and explain our affordable payment plans. Many patients find that orthodontic treatment is more affordable today than ever. Orthodontic treatment may eliminate the need for other medical and dental treatment later on. The physical and psychological benefits make orthodontic treatment one of the best investments in healthcare and quality of life. 

Clinical team with over 50 years combined experience

Dr Shimanto Purkayastha, our Specialist Orthodontist is the only AOB certified Orthodontist in the Norwest area. Need we say more?

Non-extraction philosophy

Dr Shimanto Purkayastha has a face driven, orthopaedic and interceptive philosophy. This focus on preventing problems developing or getting worse and customising treatment for each patient’s individual facial structure allows him to treat the vast majority of his patients without extracting teeth.

Saturday consultations & extended opening hours

We make our patients’ orthodontic experience as convenient as possible. As a courtesy, unlike most specialist practices, we are open on Saturdays for consultation through prior appointment and have extended hours during the week.