Long-term effects of mini-screw-assisted rapid palatal expansion on airway.
MARPE
Mini-screw–assisted rapid palatal expansion
Minimal cross-sectional area
Nasal cavity
Pharyngeal airway
Rapid palatal expansion
Journal
The Angle orthodontist
ISSN: 1945-7103
Titre abrégé: Angle Orthod
Pays: United States
ID NLM: 0370550
Informations de publication
Date de publication:
01 03 2021
01 03 2021
Historique:
accepted:
01
09
2020
received:
01
03
2020
pubmed:
15
12
2020
medline:
23
3
2021
entrez:
14
12
2020
Statut:
ppublish
Résumé
To evaluate the long-term effects on airway in patients with mini-screw-assisted rapid palatal expansion (MARPE), rapid palatal expansion (RPE), and controls with three-dimensional cone-beam computed tomography (CBCT) analysis. A total of 180 CBCTs of 60 patients were analyzed at different time points, such as pretreatment, postexpansion, and posttreatment. Patients were divided into three groups: mini-screw assisted rapid palatal expansion (MARPE), rapid palatal expansion (RPE), and controls. The nasal cavity, nasopharyngeal, oropharyngeal, and laryngopharyngeal airway volume and area were measured. Changes in total airway volume, total airway area, minimal cross-sectional area, maxillary intermolar width, external maxillary width, and palatal width were also evaluated. Both MARPE and RPE caused a statistically significant increase in the airway after expansion as compared with the control group, but there was no statistically significant difference in the change in airway between MARPE, RPE, and the control group at posttreatment, except for nasopharyngeal volume, which was significantly increased in the MARPE group. There was no correlation between the amount of expansion and increase in total airway volume. There was a significant increase in total airway volume, total airway area, and minimal cross-sectional area with MARPE and RPE immediately after expansion, but at posttreatment, the changes in the MARPE and RPE groups were similar to the change in the control group. However, MARPE led to a significant long-term increase in nasopharyngeal volume. The amount of expansion did not correlate with the increase in pharyngeal airway volume.
Identifiants
pubmed: 33315060
pii: 449557
doi: 10.2319/062520-586.1
pmc: PMC8028479
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
195-205Informations de copyright
© 2021 by The EH Angle Education and Research Foundation, Inc.
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