Colleen O’Callaghan


Colleen O’Callaghan is an Orofacial Myologist and Director of Mouth Matters and the Tasmanian Thumb Sucking Clinic.

Colleen has completed studies in Orofacial Myology, Buteyko Breathing Technique, Myofunctional Therapy and Dental Therapy, and is also a qualified and currently practising Dental Hygienist and Breathing Coach.

Having an early positive influence on children’s dental growth and development is an area to which Colleen is highly committed.

Working with children as a Dental Therapist early in her career laid the foundation for her ongoing commitment to what she sees as a vital and often under-treated area.

Colleen’s passion for preventive health has allowed for a natural progression to Breathing Re-training Programs within her Orofacial Myology practice.

Since training in 2012 with the Buteyko Breathing Clinic Worldwide, Colleen has incorporated breathing re-training techniques into her Orofacial Myology Clinic. Programs are offered for mouth breathing correction as well as for Orofacial Myofunctional Disorders and habit cessation for children.

Colleen is passionate about preventive health, and is committed to helping her patients achieve the best outcomes and long-term benefits for their dental and related general health.


Australian Association of Orofacial Myology
International Association of Orofacial Myology
American Academy of Orofacial Pain
American Academy of Craniofacial Pain, Australian Chapter
American Association of Physiological Medicine and Dentistry
American Academy of Applied Myofunctional Sciences
Australia & NZ Society of Paediatric Dentistry
Dental Hygienists’ Association of Australia