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Maxillofacial Plastic and Reconstructive Surgery
Published in:

Open Access 01-12-2017 | Research

Comparison of the effects on the pharyngeal airway space of maxillary protraction appliances according to the methods of anchorage

Authors: Won-Gyo Seo, Se-Jin Han

Published in: Maxillofacial Plastic and Reconstructive Surgery | Issue 1/2017

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Abstract

Background

The purpose of the study is to compare the effects on the pharyngeal airway space of skeletal anchored face mask with those of tooth-borne facemask.

Methods

We used two types of facemask for maxillary protraction, the tooth-borne facemask (TBFM) and the skeletal anchored facemask (SAFM), and evaluated the effects of each facemask on the pharyngeal airway. Twenty-eight patients (mean age 10.3 years) were treated with the TBFM and 24 patients (mean age 11.2 years) were treated with the SAFM. Lateral cephalometric radiographs were taken before treatment (T1) and after treatment (T2) to assess changes in the dimensions of the upper airway. Statistical analysis was performed with independent t tests, matched t tests, Mann-Whitney U tests, and Kruskal-Wallis tests.

Results

There were marked increases in upper airway dimensions in both groups following treatment, but the SAFM group had a significantly greater increase in airway dimensions than the TBFM group. Also, the SAFM subgroups showed more improved airway measurements than the TBFM subgroups in both the superior and inferior pharyngeal airways.

Conclusions

SAFM is more effective than TBFM in increasing upper airway dimensions.
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Metadata
Title
Comparison of the effects on the pharyngeal airway space of maxillary protraction appliances according to the methods of anchorage
Authors
Won-Gyo Seo
Se-Jin Han
Publication date
01-12-2017
Publisher
Springer Berlin Heidelberg
Published in
Maxillofacial Plastic and Reconstructive Surgery / Issue 1/2017
Electronic ISSN: 2288-8586
DOI
https://doi.org/10.1186/s40902-017-0101-9

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