Effect of osteotomy of the pterygoid process on maxillary disjunction: a double-blind, randomized controlled trial
Surgical maxillary expansion is indicated for the treatment of transverse facial deformities of the upper arch. The aim of this study was to evaluate the effect of osteotomy of pterygoid processes on the posterior gain of atrophic maxilla of individuals with bilateral transverse deficiency, from adouble-blind parallel-arm randomized controlled trial, of a convenience sample.