Is presurgical nasoalveolar molding therapy more effective in unilateral or bilateral cleft lip-cleft palate patients?

Background: The purpose of this study was to compare the efficacy of presurgical nasoalveolar molding in treating unilateral versus bilateral cleft lip–cleft palate patients.

Methods: A blinded, retrospective study was conducted with 16 unilateral and 13 bilateral cleft lip–cleft palate patients. Pretreatment and posttreatment facial and intraoral impressions were used to compare soft- and hard-tissue changes.