Dr. Thomas Giblin

Specialist Prosthodontist

BSc (Syd) BDent (Hons) (Syd) CertPros (Texas)


Dr. Giblin graduated Dentistry from Sydney University with Honours in 2004. In 2007, after a stint in private practice, Dr. Giblin was accepted into a 3-year Advanced Prosthodontics Residency at the University Of Texas Health Science Centre in San Antonio, regarded as the top program in the USA. In his time there, Dr. Giblin gained a broad education in all aspects of dentistry, including implant, fixed and removable prosthodontics as well as sleep dentistry, occlusion and TMD.

Since returning, Dr. Giblin has worked in several locations before establishing Northern Dental Specialties as a center of dental excellence for the Northern Beaches.

Dr Laura Siebels

General Dentist

BDS (Adel)


Dr Siebels graduated from the University of Adelaide in 2012.

Dr Siebels is interested in all aspects of dentistry, but particularly likes Endodontics (Root Canal Therapy), Treating gum disease (Periodontal therapy) and working with children

Dr John Lockwood AM

General Dentist



Dr John Lockwood moved his long-standing practice under our roof in 2016 and brings decades of experience in all aspects of general dentistry to our practice.

As well as being a friendly face, with a loyal patient base, Dr Lockwood has also many years experience in professional standards and regulation. He was recently awarded a Fellowship of the Royal Australasian College of Dental Surgeons and has been heavily involved with the regulatory side of dentistry in Australia as the Chairman of the Australian Dental Board..

Dr Stephen Elliott

General Dentist

BDS (Syd) MDS (Pros)


Dr Stephen Elliot considers dentistry to be his life. He graduated from the University of Sydney in 1976 and continued his studies which he completed with a Master in Dental Surgery in 1988. He has been practicing dentistry since 1976 and has gained a wealth of knowledge in a varied career which includes teaching at Sydney University, being a member of the dental care assessment committee as well as being the Head of Dentistry and Chief Dental Clinician at Primary Health Care.

In his practice, Stephen has a special interest in cosmetic dentistry, in particular prosthetics, implant restoration and full mouth rehabilitation.

James Giblin

Dental Technician


James is Dr Giblin’s brother, and is a dental ceramist who has been in the job for 12 years and has a great eye for detail and shows great pride in his work! The close relationship they have together allows them to collaborate closely in the making of all the teeth, dentures and other devices that are made in house here.

Auxiliary Staff


Our kind and caring nursing staff are always here to help with all aspects in the practice. Our Nursing staff are up to date with current Sterilisation and First Aid Certificates