With increasing skeletal maturity and resistance from anatomic structures, heavy interdigitation of the intermaxillary suture makes rapid palatal expansion (RPE) unfeasible when using conventional appliances. Therefore, mini-screw supported RME appliances were originally developed for patients whom conventional RME may not be indicated. The rationale is to provide a safer separation for the intermaxillary suture without any significant side effects. However, intermaxillary suture separation may not readily occur in every patient that a mini-screw supported RME appliance is used. This lecture aims to present how mini-screw supported expansion may and may not work for your practice setting with case demonstrations.
Identify the differences between conventional and mini-screw supported RME.
Design and utilize mini-screw supported expansion appliances based on right indication.
Analyze what outcomes could reasonably be expected after RME based on age, function and proper diagnosis.