See an orthodontist or oral and maxillofacial surgeon for an evaluation
Get a proper diagnosis with a clinical exam and cephalometric imaging
Treat any underlying nasal obstruction or airway issues
Use orthodontic treatment if the problem is mild or dental in nature
Use palatal expansion if indicated and appropriate for age
Consider orthognathic surgery for significant skeletal maxillary retrusion
Use distraction osteogenesis in selected severe cases
Address bite problems with braces or aligners as part of treatment
Correct associated jaw discrepancies if present
Seek early treatment in children when growth modification may still be possible
Maintain good oral hygiene during treatment
Follow the specialist’s treatment plan and follow-up schedule