Maspero, Cinzia Upper airway obstuction in class II patients. Effects of Andresen activator on the anatomy of pharingeal airway passage. Cone beam evalution. [electronic resource] - Stomatologija 2015 - 124-30 p. digital Publication Type: Journal Article ISSN: 1822-301X Subjects--Topical Terms: Activator AppliancesAdolescentChildCone-Beam Computed TomographyFemaleHumansMaleMalocclusion, Angle Class II--diagnostic imagingPharynx--anatomy & histologySleep Apnea, Obstructive--physiopathology