title: Temporomandibular disorders in fibromyalgia patients: are there different pain onset?
abstract: OBJECTIVE
  To identify temporomandibular disorders (TMD) symptoms in two groups of fibromyalgia patients according to the temporal relation between the onset of facial pain (FP) and generalized body pain (GBP). CROSS-SECTIONAL STUDY DESIGN: Fifty-three consecutive women with fibromyalgia and FP were stratified according to the onset of orofacial pain: Group-A (mean age 47.30 ± 14.20 years old), onset of FP preceded GBP; Group-B (mean age 51.33 ± 11.03 years old), the FP started concomitant or after GBP.
  
  
  METHODS
  Research Diagnostic Criteria for Temporomandibular Disorders and the Visual Analogue Scale.
  
  
  RESULTS
  Myofascial pain with mouth opening limitation (p = 0.038); right disc displacement with reduction (p = 0.012) and jaw stiffness (p = 0.004) were predominant in Group A. Myofascial pain without mouth opening limitation (p = 0.038) and numbness/burning were more common in Group B.
  
  
  CONCLUSIONS
  All patients had temporomandibular joint symptoms, mainly muscle disorders. The prevalence of myofascial pain with limited mouth opening and right TMJ disc displacement with reduction were higher in Group A.
authors.affiliation: Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil.
authors.forename: Fábio J C
authors.initials: FJ
authors.lastname: Fujarra
authors.affiliation: Instituto Central e Neurocirurgia Experimental do Instituto de Psquiatria, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil.
authors.forename: Helena Hideko Seguchi
authors.initials: HH
authors.lastname: Kaziyama
authors.affiliation: Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil.
authors.forename: Silvia Regina D T de
authors.initials: SR
authors.lastname: Siqueira
authors.affiliation: Instituto Central e Neurocirurgia Experimental do Instituto de Psquiatria, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil.
authors.forename: Lin Tchia
authors.initials: LT
authors.lastname: Yeng
authors.affiliation: Faculdade de Odontologia, Universidade Estadual de São Paulo Paulo Júlio De Mesquita Filho, Sao Paulo, SP, Brazil.
authors.forename: Cinara M
authors.initials: CM
authors.lastname: Camparis
authors.affiliation: Instituto Central e Neurocirurgia Experimental do Instituto de Psquiatria, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil.
authors.forename: Manoel Jacobsen
authors.initials: MJ
authors.lastname: Teixeira
authors.affiliation: Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil.
authors.forename: José Tadeu Tesseroli de
authors.initials: JT
authors.lastname: Siqueira
mesh_terms: D003430:Cross-Sectional Studies; D005157:Facial Pain / Q000503:physiopathology*; D005260:Female; D005356:Fibromyalgia / Q000150:complications* / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D010147:Pain Measurement; D016059:Range of Motion, Articular; D013705:Temporomandibular Joint Disorders / Q000150:complications* / Q000503:physiopathology