Rapid maxillary expansion: a review of appliance designs, biomechanics and clinical aspects

Rapid maxillary expansion (RME) is an orthopaedic procedure that utilizes heavy forces to correct transverse maxillary arch discrepancies. There is a substantial body of literature relating to the various designs of RME devices and their clinical indications. CPD/Clinical Relevance: To provide the dental practitioner and orthodontist with evidence-based facts about types, designs and uses of RME appliances and to promote understanding of their biomechanical effects.