The Effects of Various Rapid Palatal Expansion Appliances on Dentoskeletal, Dentoalveolar, Nasal and Airway Resistance

In all rapid palatal expansion groups, the appliances were cis bonded after being made by the same technician. The expansion screw was turned twice a day until the desired width was achieved.

After the Marpe appliance was attached, 4 miniscrews were applied to the midline of the palate with a miniscrew driver. The expansion screw was turned twice a day until the desired width was achieved.