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Orofacial dysfunction in Duchenne muscular dystrophy.

By S. Botteron, C.M. Verdebout, P.Y. Jeannet and S. Kiliaridis

Abstract

Duchenne muscular dystrophy (DMD) affects orofacial function. Our aim was to evaluate certain characteristics of orofacial function in DMD and relate possible deteriorations to the age of the patients and to the diminished internal structure quality of the masseter muscle. Bite force and finger force were measured in 16 DMD patients (6-20 years old) and 16 age matched controls. The thickness and internal structure quality of the masseter muscle were evaluated ultrasonographically. We found reduced mouth opening but no signs of masticatory muscle tenderness. Bite force values were lower for DMD patients. Masseter thickness showed no significant differences between the two groups, but poorer internal muscle structure quality characterised the elder, non-walking DMD patients explaining their low bite force values. In conclusion, the masseter muscle follows the general progress of the disease. Orofacial function in DMD patients is becoming ever more important as their life expectancy increases

Topics: Adolescent; Age Factors; Bite Force; Child; Disease Progression; Female; Humans; Male; Masseter Muscle/physiopathology; Masseter Muscle/ultrasonography; Muscular Dystrophy, Duchenne/physiopathology; Muscular Dystrophy, Duchenne/ultrasonography; Young Adult
Publisher: 'Elsevier BV'
Year: 2009
DOI identifier: 10.1016/j.archoralbio.2008.07.012
OAI identifier: oai:serval.unil.ch:BIB_7C1350B4748E
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