Effect of experimental chewing on masticatory muscle pain onset
J. appl. oral sci
;
19(1): 34-40, Jan.-Feb. 2011. graf
Artigo
em Inglês
| LILACS
| ID: lil-578745
ABSTRACT
OBJECTIVES: To evaluate the effect of a chewing exercise on pain intensity and pressure-pain threshold in patients with myofascial pain. METHODS: Twenty-nine consecutive women diagnosed with myofascial pain (MFP) according to the Research Diagnostic Criteria comprised the experimental group and 15 healthy age-matched female were used as controls. Subjects were asked to chew a gum stick for 9 min and to stay at rest for another 9 min afterwards. Pain intensity was rated on a visual analog scale (VAS) every 3 min. At 0, 9 and 18 min, the pressure-pain threshold (PPT) was measured bilaterally on the masseter and the anterior, medium, and posterior temporalis muscles. RESULTS: Patients with myofascial pain reported increase (76 percent) and no change (24 percent) on the pain intensity measured with the VAS. A reduction of the PPT at all muscular sites after the exercise and a non-significant recovery after rest were also observed. CONCLUSION: The following conclusions can be drawn: 1. there are at least two subtypes of patients with myofascial pain that respond differently to experimental chewing; 2. the chewing protocol had an adequate discriminative ability in distinguishing patients with myofascial pain from healthy controls.
Texto completo:
DisponíveL
Índice:
LILACS (Américas)
Assunto principal:
Dor Facial
/
Mastigação
/
Músculos da Mastigação
Tipo de estudo:
Guia de Prática Clínica
/
Estudo observacional
Limite:
Adolescente
/
Adulto
/
Feminino
/
Humanos
Idioma:
Inglês
Revista:
J. appl. oral sci
Assunto da revista:
Odontologia
Ano de publicação:
2011
Tipo de documento:
Artigo
/
Documento de projeto
País de afiliação:
Brasil
Instituição/País de afiliação:
State University of Maringá/BR
/
University of São Paulo/BR
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