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Audiology and Speech Research > Volume 13(4); 2017 > Article
Audiology and Speech Research 2017;13(4): 361-371.
Published online: October 31, 2017.
doi: http://doi.org/10.21848/asr.2017.13.4.361
구강운동 훈련을 사용한 조음 치료가 3급 부정교합 아동의 조음 정확도 향상과 설측음화 왜곡 오류 감소에 미치는 효과
이상경1, 김성수2
2동신대학교 언어치료학과
Effects of Articulation Therapy using Oral Motor Training on the Articulation Accuracy and the Lateralization Distortion Errors of Children with Class III Malocclusion
Sangkyung Lee1, Sungsoo Kim2
1EZ Speech-Language Therapy Center, Gwangju, Korea
2Department of Speech Therapy, Dongshin University, Naju, Korea
Correspondence  Sungsoo Kim ,Tel: +82-61-330-3472, Fax: +82-61-330-3476, Email: supeech@gmail.com
Received: October 2, 2017; Revised: October 18, 2017   Accepted: October 18, 2017.  Published online: October 31, 2017.
The goal of this study is to examine the effect of articulation treatment using Oral Motor Training (OMT) on articulation accuracy and distortion errors of children who have speech sound disorders with class III malocclusion.
Three children with class III malocclusion in the stage of deciduous dentition aged from 6;0-6;3 (year;month) participated in this study. These 3 children commonly exhibited unilateral mastication, mandible laterality on jaw movement and especially distortion errors of lateralizing for alveolar and palatal consonants mainly in vowel /i/ environment. Articulation therapy using OMT for both of improved non-speech and speech movement involved in target sound production was provided. The ABA design of single case experimental design was used. The articulation accuracy and the frequency of lateralization distortion errors at both of the word and sentence level were measured within baseline (A1), intervention (B), and maintenance (A2) phases.
It was found that all participants showed the higher articulation accuracy and the lower frequency of distorted lateralization errors for alveolar and palatal consonants at the both of word and sentence levels in intervention phases than in baseline ones and also these effects maintained after intervention.
It was concluded that the OMT targeting appropriate non-speech and speech movement might be beneficial for young children who have class III malocclusion.
Key Words: Speech sound disorders, Articulation therapy, Class III malocclusion, Oral motor training.
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