Correction of an anterior and posterior crossbite case with a modified McNamara appliance: A case report

Anterior and posterior crossbites are malocclusions in the sagittal transversal dimensions, respectively. As self-correction is rare these alterations, early interception recommended to allow normal occlusion facial development. This case report aimed discuss treatment of an eight-year-old boy with increased inferior third, who was submitted for rapid maxillary expansion a modified bonded appliance solve both anteroposterior deficiencies. The correctionof achieved within 21 days. advantages this procedure were gain space arches, enlarge arch, improve nasal breathing. interceptive therapy, as well well-planned appliance, proved be effective important retrieving patient ́s condition quality life.