A: Common reasons include:
- Crossbite: When the upper teeth bite inside the lower teeth.
- Crowding: Not enough space for all adult teeth to erupt properly.
- Impacted Teeth: To create space for teeth that are blocked from erupting.
- Narrow Arch: To widen the upper jaw for better aesthetics or function.
- Breathing Issues: In some cases, a wider palate can improve airflow through the nasal passages.