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Maxillofacial Plastic and Reconstructive Surgery
Published in:

Open Access 01-12-2017 | Research

The comparative study of resonance disorders for Vietnamese and Korean cleft palate speakers using nasometer

Authors: Yu-Jeong Shin, Yongsoo Kim, Hyun-Gi Kim

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

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Abstract

Background

Nasalance is used to evaluate the velopharyngeal incompetence in clinical diagnoses using a nasometer. The aim of this study is to find the nasalance differences between Vietnamese cleft palate children and Korean cleft palate children by measuring the nasalance of five oral vowels.

Methods

Ten Vietnamese cleft palate children after surgery, three Vietnamese children for the control group, and ten Korean cleft palate children after surgery with the same age participated in this experimentation. Instead of Korean control, the standard value of Korean version of the simplified nasometric assessment procedures (kSNAP) was used.

Result

The results are as follows: (1) the highest nasalance score among the Vietnamese normal vowels is the low vowel /a/; however, that of Korean normal vowels is the high vowel /i/. (2) The average nasalance score of Korean cleft palate vowels is 18% higher than that of Vietnamese cleft palate vowels. There was a nasalance score of over 45% among the vowels /e/ and /i/ in Vietnamese cleft palate patients and /i/, /o/, and /u/ in Korean cleft palate patients.

Conclusion

These different nasalance scores of the same vowels seem to cause an ethnic difference between Vietnamese and Korean cleft palate children.
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Metadata
Title
The comparative study of resonance disorders for Vietnamese and Korean cleft palate speakers using nasometer
Authors
Yu-Jeong Shin
Yongsoo Kim
Hyun-Gi Kim
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/s40902-017-0108-2

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