What the appliance does
Traditional expanders apply controlled forces across the upper arch. The intended change depends on the patient's growth stage, the appliance design and the problem being treated.
Palatal Expanders
A palatal expander is an orthodontic appliance used in selected growing patients to increase upper-arch width when expansion is part of the treatment plan.
Why an expander may be recommended
Expansion can be considered for certain crossbites, narrow upper arches or space-related problems. It should have a specific clinical objective rather than being used routinely for every crowded child.
What patients and parents manage
Some expanders require activation according to instructions; others work differently. Cleaning around the appliance and following the prescribed activation schedule are important.
What happens after expansion
After the active phase, the appliance may remain in place for a period of stabilization before the next stage of orthodontic treatment. The overall plan may later include braces or other appliances.
When you need individual advice
BracesinSurrey.com provides general educational information. For diagnosis, appliance problems or a treatment recommendation, contact an orthodontic provider directly.