Palatal expander in adults before and after

The palate is formed by the upper jaw bones, with a midline suture between them. In a growing child the suture is more responsive to orthopaedic expansion; in an adult, resistance from mature bone can change the appliance and surgical plan.

Before treatment, the orthodontist assesses facial shape, arch width, tooth position, bite, periodontal tissues, and three-dimensional imaging when indicated. After expansion, teeth may be aligned with braces or clear aligners and a retainer is used to hold the result.

Ask for a diagnostic consultation with orthodontic records and a clear explanation of whether the target is dental expansion, skeletal expansion, or both. Keep the appliance clean, follow activation instructions exactly, and attend adjustment visits.

Do not turn an expander beyond the prescribed schedule or continue activation when the appliance is loose, painful, or damaging the gum.

Seek review for severe pain, ulceration, a loose appliance, tooth mobility, bite changes that are not planned, or swelling. The orthodontist can check the device, teeth, gums, and expansion pattern before changing activation.

A planned result should be judged from clinical records and bite function, not only from photographs, because tooth inclination and skeletal width are different measurements.

Ask what structure will widen, which appliance is proposed, whether surgery is part of the plan, how the result will be retained, and how progress will be measured.