Lack of correlation between central sensitization inventory and psychophysical measures of central sensitization in individuals with painful temporomandibular disorder

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  • Juliana dos Santos Proença, Universidade Estadual Paulista Julio de Mesquita Filho
  • ,
  • Lene Baad-Hansen
  • Guilherme Vinícius do Vale Braido, Universidade Estadual Paulista Julio de Mesquita Filho
  • ,
  • Fernanda Gruninger Mercante, Universidade Estadual Paulista Julio de Mesquita Filho
  • ,
  • Letícia Bueno Campi, Universidade Estadual Paulista Julio de Mesquita Filho
  • ,
  • Daniela Aparecida de Godoi Gonçalves, Universidade Estadual Paulista Julio de Mesquita Filho

Objective: To assess the correlation between the Central Sensitization Inventory (CSI) scores and the results of psychophysical tests and psychosocial questionnaires according to the presence of painful temporomandibular disorder (TMD). Design: It was a cross-sectional study involving 146 participants, aged 20–65 years. Painful TMD was classified using the Research Diagnostic Criteria for Temporomandibular Disorders. CSI was applied to assess “central sensitization-related symptoms”, as has been suggested. Wind-up ratio, pressure pain threshold and conditioned pain modulation were used as psychophysical tests to evaluate signs and symptoms of central sensitization. Psychosocial factors were assessed by the presence of non-specific physical symptoms, depressive and anxiety symptoms. The sample was divided into two groups: Control (n = 31); Painful TMD (n = 115). Descriptive statistics characterized the sample. Correlation analysis were performed using Pearson's and Spearman's correlation coefficients (α = 5%). Results: Of the total sample, 78.8 % presented painful TMD, and the mean (standard deviation) age was 37.4 (±11.5) years. Anxiety symptoms (p = 0.028) and non-specific physical symptoms (p < 0.001) were more frequent in the painful TMD group than in controls. Painful TMD patients presented higher scores of the CSI (p < 0.001) and lower pressure pain thresholds (p ≤ 0.020) compared to controls. CSI scores were significantly correlated with psychosocial measures (p < 0.001) but not with psychophysical tests (p ≥ 0.089). Conclusion: The CSI scores did not correlate with psychophysical measures of central sensitization but were positively correlated with the results of psychosocial questionnaires.

OriginalsprogEngelsk
Artikelnummer105063
TidsskriftArchives of Oral Biology
Vol/bind124
Antal sider10
ISSN0003-9969
DOI
StatusUdgivet - apr. 2021

Bibliografisk note

Funding Information:
This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) – Finance code 001; and the Conselho Nacional de Desenvolvimento Científico e Tecnológico – Brasil (CNPq) – Grant number 140696/2017-2 .

Funding Information:
We would like to thank the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) and the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) for financial support. We also thank Dr. Giovana Fernandes for her collaboration during the conception and design of the study. Finally, we would like to express our gratitude to the participants of this research.

Publisher Copyright:
© 2021 Elsevier Ltd

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

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