Clinical significance This study was conducted to characterize masticatory function in patients with myotonic dystrophy, and the results provide a clear impression of masticatory disturbances in patients with myotonic dystrophy. Abstract Purpose: The purpose of this study was to characterize masticatory function in patients with myotonic dystrophy (MyD) and to clarify the masticatory disturbances that might be encountered in these patients. Conclusion: These results suggest that patients with

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... D find only a few types of foods easy to chew be-cause of their weak bite force, and that they compensate for the weak bite force by greatly increasing their temporal and masseter muscle activity while chewing. Also, patients with MyD with a low ADL score frequently have a small occlusal contact area.