Dental care to smile about

Comprehensive specialist dental care for children and adults

Sydney Specialist Dental Group is a specialist dental practice located in St Peters, in the Inner West of Sydney.

Our team of dental specialists’ diverse range of skills and expertise equip them to provide comprehensive and holistic oral health care to patients of all ages.

Our services include general dental maintenance and oral hygiene advice, as well as specialist paediatric dentistry, restorative treatment and orthodontics.

We offer nitrous oxide (happy gas) sedation or local anaesthesia, and in special cases general anaesthesia is also available.

Initial consultation appointments are available weekly, and we also have a provision for emergency appointments.

A comprehensive specialist dental service for all your family’s dental needs, we pride ourselves on delivering unrivalled and quality patient care. We look forward to welcoming you to SSDG.

patient care

At SSDG it’s all about you – always. We use the best and latest techniques to deliver superior dental care, safely and comfortably.

Caring and professional team

Our family-friendly team of dental specialists have a wealth of experience treating patients of all ages and needs.

Easy and convenient street parking

There’s no need to worry about finding a spot for the car when attending appointments, with ample street parking available nearby.

Fun and safe children's play area

Keep the kids happily entertained while they’re waiting, with our modern, fun (and regularly sanitised) play area!

Smile - you're in safe hands!

At Sydney Specialist Dental Group we have brought together a fantastic team of highly skilled dental professionals.

Possessing a range of skills from general and paediatric dentistry to orthodontics, our specialists have the experience and expertise to treat you and your loved ones, whatever your dental needs.

Though our team’s specialisations may vary, what they share is an unwavering commitment to delivering the highest level of patient care and service.

Convenience, comfort and care – that’s our promise to you.

Dr Diane Tay

Paediatric Dentist

Dr William Tang

Paediatric Dentist

Dr Vanessa Jimenez


Alese Troussas

Oral Health Therapist

Anna Malysheff

Dental Assistant

Prisca Moyo

Dental Assistant

Susan Bai

Dental Assistant

Pamela Distapan

Patient Coordinator

Zoie McGregor-Immig

Patient Coordinator

Giulia Pocock

GA Coordinator

We accept all major Private Health funds

We work with private health funds to enable more people to receive the high level of dental care they need and deserve.

Make the switch to specialist dental care today!

Whether you’re seeking a better dental experience for yourself, your child or another family member, we’re ready to welcome you to Sydney Specialist Dental Group.

Dr Diane Tay


BDSc(Hons), DClinDent (Paed Dent), MRACDS (Paed Dent), IPPAHC (Child Health)

Diane is a registered Specialist Paediatric Dentist. Originally from Singapore, she is fluent in both English and Mandarin.

Diane graduated with a Bachelor of Dental Science (Honours) from the University of Melbourne, and after several years of working in both the private and public sectors in Sydney, pursued her passion for paediatric dentistry, successfully attaining a Doctorate of Clinical Dentistry (Paediatric Dentistry) from The University of Sydney.

In addition to her services at Sydney Specialist Dental Group, Diane works with the Westmead Children’s Hospital in Sydney, managing complex, but rewarding, cases involving special needs and medically compromised children, paediatric oral medicine, pathology and dental trauma. She is also a Clinical Associate Lecturer with The University of Sydney, a role in which she lectures to both medical and dental colleagues.

When not practicing dentistry, Diane enjoys spending time with her three children, as well as indulging in her passions for cooking and eating!

Dr. William Tang


BPharm (Hons), BDSc (Hons), DClinDent (Paed Dent), MRACDS (Paed)

William completed his undergraduate training in Dentistry in 2000 at the University of Sydney.

After working for several years in the Hunter-New England (HNE) region, he commenced specialist paediatric training at Westmead Hospital and Children’s Hospital Westmead (CHW), which he completed in 2018.

While Will’s skills in paediatric dentistry are multi-faceted, he has a special interest in endodontic treatment in the child patient, and in treating dental trauma.

In addition to his work with Sydney Specialist Dental Group, Will works in specialist roles across private practice in Newcastle and Health services in HNE, Westmead Hospital and CHW.

When he’s not in the dental surgery, Will spends his spare time scuba diving, travelling and exploring his passions for food and wine.

Dr Vanessa Jimenez


BDS, DClinDent (Ortho), MOrthRCS (Ed), MRACDS (Ortho)

Born and raised in Venezuela, Vanessa qualified as a dentist at Universidad Santa Maria. After graduating with a Bachelor of Dental Science, she completed a Certificate in Orthodontics, and proceeded to practice both orthodontics and general dentistry.
Moving to Australia, Vanessa studied for her specialist degree in Orthodontics at The University of Sydney. She also completed exams to become a Member of the Royal College of Surgeons of Edinburgh in the Discipline of Orthodontics, and is a member of the Royal Australasian College of Dental Surgeons (Orthodontics).

With a passion for continuing education and technological advancements, Vanessa is particularly interested in aesthetic orthodontic treatment using aligner therapy (Invisalign) and invisible braces (Lingual Orthodontics).

She enjoys treating both children and adults, with an emphasis on achieving facial and dental harmony via a range of orthodontic procedures. Devoted to providing optimal care, she greatly values building relationships with patients of all ages.

Alese Troussas



A multi-skilled Oral Health Therapist, Alese graduated with a Bachelor of Oral Health Therapy (Adult Scope) from the University of Newcastle. In addition to her bachelor’s degree, Alese is also a registered nutritionist.

While studying for her degree, Alese was selected to take part in a placement in Cambodia providing dental treatment and oral health education to Cambodian school-aged children.

With a preventive and holistic approach to oral health, her focus is on patient care and creating achievable dental health goals.

Alese’s areas of expertise include delivering comprehensive dental care for both children and adults; preventive oral health treatment planning; oral health education; and nutritional and dietary counselling.

Outside of work, Alese can be found doting on her children, cooking up a storm in the kitchen, pursuing outdoor activities and ardently supporting her local cafes!