Effects of Parkinson's disease on molar bite force, electromyographic activity and muscle thickness of the masseter, temporal and sternocleidomastoid muscles: A case‐control study

Background Parkinson's disease is a neurological disorder that promotes motor changes in the body. Objective The aim of this study was to investigate the impairment of the stomatognathic function regarding molar bite force, electromyographic activity and thickness of the craniocervical muscles...

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Bibliographic Details
Published in:Journal of oral rehabilitation 2019-10, Vol.46 (10), p.912-919
Main Authors: Donizetti Verri, Edson, da Silva, Gabriel Pádua, Marianetti Fioco, Evandro, Soares da Silva, Nayara, Valin Fabrin, Saulo César, Augusto Bueno Zanella, Cesar, Roberta Garrefa, Camila, Faria Júnior, Milton, Siéssere, Selma, Hallak, Jaime Eduardo Cecilio, Palinkas, Marcelo, Chaves, Thais Cristina, Regalo, Simone Cecilio Hallak
Format: Article
Language:English
Subjects:
Bite Force
Case-Control Studies
Chewing
Dentistry
Electromyography
Humans
Mandible
Masseter Muscle
Masticatory Muscles
Molar
Movement disorders
Multivariate analysis
Muscle contraction
Neurodegenerative diseases
Parkinson Disease
Parkinson's disease
sEMG
sternocleidomastoid muscle
Temporal Muscle
ultrasound
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Summary:Background Parkinson's disease is a neurological disorder that promotes motor changes in the body. Objective The aim of this study was to investigate the impairment of the stomatognathic function regarding molar bite force, electromyographic activity and thickness of the craniocervical muscles in patients with Parkinson's disease in comparison with those in asymptomatic controls. Methods Twenty‐four subjects were divided into two groups, a Parkinson's disease group (n = 12) and a control group (n = 12). The subjects were evaluated on the basis of molar bite force, electromyographic activity (rest, right and left laterality, protrusion, maximum voluntary contraction) and thickness (rest and maximum voluntary contraction) of the right and left temporal (anterior portion), masseter and sternocleidomastoid muscles. The results were submitted to a multivariate analysis of variance (MANOVA) to compare the means of the two independent groups, considering diagnosis of Parkinson's disease and craniocervical muscles as independent variables. For the post hoc comparisons, Bonferroni correction was used (P 
ISSN:0305-182X
1365-2842
DOI:10.1111/joor.12824