Effects of a fixed functional appliance on upper airway volume: a 3-dimensional cone-beam computed tomography study
Introduction Although functional appliances (FAs) are primarily used to treat Class II
malocclusions, their effects on the upper airway have generally been reported in studies
involving 2-dimensional analysis of cephalometric radiographs. This study aimed to use 3-
dimensional cone-beam computed tomography to (1) determine the effects on upper airway
volume and minimum cross-sectional area (MCA) when an FA is used for orthodontic
treatment and (2) identify pretreatment markers for airway changes. Methods Pre-and …
malocclusions, their effects on the upper airway have generally been reported in studies
involving 2-dimensional analysis of cephalometric radiographs. This study aimed to use 3-
dimensional cone-beam computed tomography to (1) determine the effects on upper airway
volume and minimum cross-sectional area (MCA) when an FA is used for orthodontic
treatment and (2) identify pretreatment markers for airway changes. Methods Pre-and …