Abstract
This study aims to evaluate the immediate dentoskeletal effects of rapid maxillary expansion using the Hyrax Hybrid (HH) and conventional Hyrax (CH) expanders in growing patients. Two treatment groups were analyzed. The HH group consisted of 18 individuals (8 females, 10 males; mean age 10.80 years) treated with a hybrid expander incorporating two mini-implants in the maxilla. The CH grou…