University Of Pavia

This study looks at 200 people getting a palate expander to treat a narrow upper jaw. Researchers want to see if the angle of the upper premolars on X-rays can predict how much the jaw will widen. The goal is to better understand the treatment, not to test a new therapy.

This study looks at 20 children with a narrow upper jaw to see how their jaw alignment relates to sleep apnea. Researchers will measure breathing during sleep and use X-rays to check jaw and airway structure. They also want to see if orthodontic treatment to widen the jaw can imp…