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Pharyngeal airway evaluation after isolated mandibular setback surgery using cone-beam computed tomography.

Abstract In this study, we investigated volumetric and dimensional changes to the pharyngeal airway space after isolated mandibular setback surgery for patients with Class III skeletal dysplasia.
PMID
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Authors

Mayor MeshTerms

Cone-Beam Computed Tomography

Keywords
Journal Title american journal of orthodontics and dentofacial orthopedics : official publication of the american association of orthodontists, its constituent societies, and the american board of orthodontics
Publication Year Start




PMID- 29287649
OWN - NLM
STAT- MEDLINE
DCOM- 20180112
LR  - 20180112
IS  - 1097-6752 (Electronic)
IS  - 0889-5406 (Linking)
VI  - 153
IP  - 1
DP  - 2018 Jan
TI  - Pharyngeal airway evaluation after isolated mandibular setback surgery using
      cone-beam computed tomography.
PG  - 46-53
LID - S0889-5406(17)30699-6 [pii]
LID - 10.1016/j.ajodo.2017.05.031 [doi]
AB  - INTRODUCTION: In this study, we investigated volumetric and dimensional changes
      to the pharyngeal airway space after isolated mandibular setback surgery for
      patients with Class III skeletal dysplasia. METHODS: Records of 28 patients who
      had undergone combined orthodontic and mandibular setback surgery were obtained. 
      The sample comprised 17 men and 11 women. Their mean age was 23.88 +/- 6.57 years
      (range, 18-52 years). Cone-beam computed tomography scans were obtained at 3 time
      points: before surgery, average of 6 months after surgery, and average of 1 year 
      after surgery. Oropharyngeal, hypopharyngeal, and total volumes were calculated. 
      The lateral surface and anteroposterior dimensions at the minimal axial areas for
      oropharyngeal and hypopharyngeal volumes and mean mandibular setback were
      determined. RESULTS: The mean mandibular setback was 9.93 +/- 5.26 mm. Repeated
      measures analysis of variance determined an overall significant decrease between 
      the means for 6 months and up to 1 year after surgery for oropharyngeal and
      hypopharyngeal volumes, anteroposterior at oropharyngeal, lateral surface at
      oropharyngeal, and anteroposterior at hypopharyngeal. No strong correlation
      between mandibular setback surgery and pharyngeal airway volumes or dimensions
      was determined. CONCLUSIONS: After mandibular setback surgery, pharyngeal airway 
      volume, and transverse and anteroposterior dimensions were decreased. Patients
      undergoing mandibular setback surgery should be evaluated for obstructive sleep
      apnea and the proposed treatment plan modified according to the risk for
      potential airway compromise.
CI  - Copyright (c) 2017 American Association of Orthodontists. Published by Elsevier
      Inc. All rights reserved.
FAU - Irani, Shireen K
AU  - Irani SK
AD  - Private practice, Dallas, Tex.
FAU - Oliver, Donald R
AU  - Oliver DR
AD  - Department of Orthodontics, Saint Louis University, St Louis, Mo.
FAU - Movahed, Reza
AU  - Movahed R
AD  - Department of Orthodontics, Saint Louis University, St Louis, Mo.
FAU - Kim, Yong-Il
AU  - Kim YI
AD  - Department of Orthodontics, Pusan National University, Busan, South Korea.
FAU - Thiesen, Guilherme
AU  - Thiesen G
AD  - Department of Orthodontics, Saint Louis University, St Louis, Mo.
FAU - Kim, Ki Beom
AU  - Kim KB
AD  - Department of Orthodontics, Saint Louis University, St Louis, Mo. Electronic
      address: [email protected]
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Am J Orthod Dentofacial Orthop
JT  - American journal of orthodontics and dentofacial orthopedics : official
      publication of the American Association of Orthodontists, its constituent
      societies, and the American Board of Orthodontics
JID - 8610224
SB  - D
SB  - IM
MH  - Adolescent
MH  - Adult
MH  - *Cone-Beam Computed Tomography
MH  - Female
MH  - Humans
MH  - Male
MH  - Malocclusion, Angle Class III/*surgery
MH  - Mandible/*surgery
MH  - Middle Aged
MH  - Orthognathic Surgical Procedures/*methods
MH  - Pharynx/*anatomy & histology/*diagnostic imaging
MH  - Young Adult
EDAT- 2017/12/31 06:00
MHDA- 2018/01/13 06:00
CRDT- 2017/12/31 06:00
PHST- 2015/06/01 00:00 [received]
PHST- 2017/05/01 00:00 [revised]
PHST- 2017/05/01 00:00 [accepted]
PHST- 2017/12/31 06:00 [entrez]
PHST- 2017/12/31 06:00 [pubmed]
PHST- 2018/01/13 06:00 [medline]
AID - S0889-5406(17)30699-6 [pii]
AID - 10.1016/j.ajodo.2017.05.031 [doi]
PST - ppublish
SO  - Am J Orthod Dentofacial Orthop. 2018 Jan;153(1):46-53. doi:
      10.1016/j.ajodo.2017.05.031.