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KMID : 1002720160140010053
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Journal of Korean Proprioceptive Neuromuscular Facilitation Association
2016 Volume.14 No. 1 p.53 ~ p.57
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Correlation between the Asymmetric Ratio of Occlusal Force and the Thickness of the Middle Scalene Muscle
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Chae Jung-Byung
Cho Hyun-Rae
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Abstract
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Purpose: This study aimed to examine the correlation between the asymmetric ratio of occlusal force of the temporomandibular joint and the thickness of the middle scalene muscle.
Methods: The study measured the occlusal force of the right and left temporomandibular joints in 30 subjects (12 males and 18 females). Pearson’s correlation analysis was performed to examine the effect of occlusal force on the asymmetric ratio of the thickness of their middle scalene muscles by measuring the force using ultrasound after the break.
Results: The correlation between the asymmetric ratio of occlusal force and muscle thickness is 0.41, according to Pearson’s correlation coefficient. Therefore, the result shows a moderate correlation with the asymmetric ratio of the temporomandibular joint depending on differences in the thickness of the middle scalene muscle.
Conclusion: Based on the above results, the asymmetric ratio of occlusal force was found to correlate with the thickness of the middle scalene muscle. Thus, therapeutic intervention is required for the middle scalene muscle in the case of temporomandibular joint disorder.
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KEYWORD
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Asymmetric ratio, Occlusal force, Temporomandibular joint disorder
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