ArticleOrthodontics & craniofacial research2026
Three-Dimensional Assessment of Upper Airway Morphology and Sleep-Disordered Breathing Risk in Unilateral Craniofacial Microsomia: A Pilot Study.
Article in Orthodontics & craniofacial research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveUnilateral craniofacial microsomia (UCM) presents varying unilateral deficiencies of the temporomandibular joint, mandibular ramus, masticatory muscles, and adjacent soft tissues and ear. Reduced mandibular and maxillary dimensions may decrease upper airway volume and may increase the risk of sleep-disordered breathing (SDB). This retrospective pilot study aimed to evaluate a novel three-dimensional (3D) method for assessing nasal cavity (NC) and pharyngeal airway (PA) dimensions in growing patients with UCM compared with healthy controls, and to explore the potential associations between airway dimensions and SDB risk using the pediatric Sleep Questionnaire (PSQ). MATERIAL AND
methodsThis retrospective case-control pilot study analysed Cone-beam computed tomography (CBCT) scans from 11 patients with UCM (mean age 12.7 ± 4.4 years) and 11 age-matched controls (mean age 12.1 ± 1.1 years). Two calibrated investigators performed airway measurements, including total and partial NC and PA volumes, minimal cross-sectional area (MCS), and hydraulic diameter. SDB risk in the UCM group was assessed using PSQ scores. Reliability was evaluated with intra-class correlation coefficients and Dahlberg's formula. Group differences were tested using unpaired t-tests.
resultsPatients with UCM showed significantly smaller NC volume (9714.9 ± 3032 mm
conclusionsCBCT-based 3D assessment of upper airway morphology was feasible in patients with UCM. Patients with UCM demonstrated significantly reduced nasal cavity volume compared with controls. Exploratory analysis suggested that some patients may be at increased risk of SDB; however, these findings require confirmation in larger studies.
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