Comparison of short-term effects of mini-implant-supported maxillary expansion appliance with two conventional expansion protocols.

Objective: This study evaluates the dentoskeletal effects of a mini-implant-supported maxillary expansion (MISME) appliance in comparison with two types of conventional expansion methods.

Methods: Records of 42 patients with bilateral or unilateral posterior crossbite were included in this study. The patients were divided into three groups.