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North Sydney Orthodontics Suite 3, Level 5, 8 West St North Sydney NSW 2060 Call (02) 9954 5144

Fixed expanders

Fixed expanders
October 24, 2014 Dr Charles Daniels

These appliances are commonly used to correct crossbites or make space and have several designs;

Quad helix


This appliance is used to derotate the first molars and expand the side teeth by  tipping.  The appliance is activated and adjusted by the orthodontist 2 or 3 times over 9 months.

Rapid Palatal Expansion

This is a robust device designed to create orthopedic expansion of the palate.  It is activated by the parent turning the ‘jackscrew’ in the middle of the appliance once or twice a day (according to the activation schedule recommended by the orthodontist). The appliance is usually in place for  3 months and then some form of retention appliance is required.

I was always very conscious of the responsibility that being a professional person brings, and I have always striven to be the best practitioner I can be and advise and treat my patients in their best interest.
Specialists in tooth alignment and correction of bite problems