The Structural Changes of Pharyngeal Airway Contributing to Snoring After Orthognathic Surgery in Skeletal Class III Patients

Overview

Journal Maxillofac Plast Reconstr Surg

Publisher Springer Nature

Date 2017 Aug 22

PMID 28824888

Citations 6

Authors

Jung-Eun Park

Seon-Hye Bae

Young-Jun Choi

Won-Cheul Choi

Hye-Won Kim

Ui-Lyong Lee

Affiliations

Soon will be listed here.

Abstract

Background: Two-jaw surgery including mandibular and maxillary backward movement procedures are commonly performed to correct class III malocclusion. Bimaxillary surgery can reposition the maxillofacial bone together with soft tissue, such as the soft palate and the tongue base. We analyzed changes of pharyngeal airway narrowing to ascertain clinical correlations with the prevalence of snoring after two-jaw surgery.

Methods: A prospective clinical study was designed including a survey on snoring and three-dimensional (3D) computed tomography (CT) in class III malocclusion subjects before and after bimaxillary surgery. We conducted an analysis on changes of the posterior pharyngeal space find out clinical correlations with the prevalence of snoring.

Results: Among 67 subjects, 12 subjects complained about snoring 5 weeks after the surgical correction, and examining the 12 subjects after 6 months, 6 patients complained about the snoring. The current findings demonstrated the attenuation of the largest transverse width (LTW), anteroposterior length (APL), and cross-sectional area (CSA) following bimaxillary surgery given to class III malocclusion patients, particularly at the retropalatal level. The average distance of maxillary posterior movements were measured to be relatively higher (horizontal distance 3.9 mm, vertical distance 2.6 mm) in case of new snorers.

Conclusions: This study found that bimaxillary surgery could lead to the narrowing of upper airway at the retropalatal or retroglossal level as well as triggering snoring in subjects with class III malocclusion. Based on the current clinical findings, we also found that upper airway narrowing at retropalatal level may contribute to increasing the probability of snoring and that polysonography may need to be performed before orthognathic surgery in subjects with class III malocclusion.

Citing Articles

Cephalometric Screening Assessment for Superior Airway Space Narrowing-Added Value of Three-Dimensional Imaging.

Meisgeier A, Durrschnabel F, Pienkohs S, Weiser A, Neff A J Clin Med. 2024; 13(9).

PMID: 38731214 PMC: 11084779. DOI: 10.3390/jcm13092685.

Upper Airway Changes and OSAS Risk in Patients after Mandibular Setback Surgery to Treat III Class Skeletal Malocclusion.

Ronchi P, Saccomanno S, Disconzi B, Saran S, Carganico A, Bocchieri S J Pers Med. 2023; 13(7).

PMID: 37511718 PMC: 10382036. DOI: 10.3390/jpm13071105.

Quantitative changes of upper airway in class III patients undergoing bimaxillary surgery after one-year follow-up: a retrospective study.

Li H, Sun C, Chen Y, Sun Z, Gao X Head Face Med. 2022; 18(1):14.

PMID: 35440012 PMC: 9016938. DOI: 10.1186/s13005-022-00317-2.

Existence of a Neutral-Impact Maxillo-Mandibular Displacement on Upper Airways Morphology.

Badiali G, Lunari O, Bevini M, Bortolani B, Cercenelli L, Lorenzetti M J Pers Med. 2021; 11(3).

PMID: 33806410 PMC: 7999116. DOI: 10.3390/jpm11030177.

Three-dimensional analysis of changes in airway space after bimaxillary orthognathic surgery with maxillomandibular setback and their association with obstructive sleep apnea.

Jang S, Ahn J, Paeng J, Hong J Maxillofac Plast Reconstr Surg. 2018; 40(1):33.

PMID: 30474021 PMC: 6224326. DOI: 10.1186/s40902-018-0171-3.

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