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Silent Changes in Sleep Quality Following Mandibular Setback Surgery in Patients with Skeletal Class III Malocclusion: A Prospective Study

Authors
On, SW | Kim, HJ  | Cho, DH | Moon, YR | Song, SI
Citation
Scientific reports, 9(1). : 9737-9737, 2019
Journal Title
Scientific reports
ISSN
2045-2322
Abstract
Mandibular setback surgery (MSS) for skeletal class III patients can result in a relative reduction of pharyngeal airway space (PAS). Consequently, there is a possibility of the decline of sleep quality after surgery. We investigated changes in sleep quality measured by overnight polysomnography (PSG) and the three-dimensional (3D) volumes of PAS following MSS with or without Le Fort I osteotomy (LF I) in class III patients (N = 53). Overnight PSG and cone beam computed tomography were conducted at preoperative stage (T0) and postoperative 3 months (T1). Measurements of PAS volumes were performed, and the subjective symptoms of sleep were evaluated by self-questionnaires. There were significant increases in respiratory disturbance index (RDI) and total respiratory effort-related arousal (RERA) index during T0-T1. The 3D volumes of PAS showed significant decreases in the oropharyngeal airway, hypopharyngeal airway, and total airway spaces. No significant changes were observed in subjective symptoms of sleep. MSS with or without LF I for class III patients could worsen sleep quality by increasing sleep parameters such as the RDI and RERA in PSG, and reduce volumes of PAS at postoperative 3 months. Although subjective symptoms may not show significant changes, objective sleep quality in PSG might decrease after MSS.
MeSH

DOI
10.1038/s41598-019-46166-z
PMID
31278306
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Otolaryngology
Journal Papers > School of Medicine / Graduate School of Medicine > Dentistry
Ajou Authors
김, 현준  |  송, 승일
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