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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Somatosensory and psychosocial profile of patients with painful temporomandibular joint clicking

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Author(s):
Poluha, Rodrigo Lorenzi [1] ; Torre Canales, Giancarlo De la [1] ; Bonjardim, Leonardo Rigoldi [2] ; Rodrigues Conti, Paulo Cesar [1]
Total Authors: 4
Affiliation:
[1] Univ Sao Paulo, Bauru Sch Dent, Dept Prosthodont, Bauru Orofacial Pain Grp, Al Octavio Pinheiro Brisola 9-75, BR-17012901 Bauru, SP - Brazil
[2] Univ Sao Paulo, Bauru Sch Dent, Dept Biol Sci, Bauru Orofacial Pain Grp, Bauru, SP - Brazil
Total Affiliations: 2
Document type: Journal article
Source: Journal of Oral Rehabilitation; v. 47, n. 11 SEP 2020.
Web of Science Citations: 1
Abstract

Background Determining the somatosensory and psychosocial profile of patients with painful temporomandibular joint (TMJ) clicking can help to understand the pain mechanisms in cases of TMJ clicking. Objective To characterise the somatosensory and psychosocial profile of patients with painful TMJ clicking when compared to patients with painless TMJ clicking and healthy control group. Methods Somatosensory and psychosocial functions were assessed in 90 individuals: patients with painful TMJ clicking (n = 30); patients with painless TMJ clicking (n = 30); and healthy controls (n = 30). Somatosensory profile included: mechanical pain threshold (MPT); wind-up ratio (WUR); pressure pain threshold (PPT); and conditioned pain modulation (CPM). Psychosocial profile included some questionnaires: Pittsburgh Sleep Quality Index (PSQI); Pain Vigilance-Awareness Questionnaire (PVAQ); Pain Catastrophizing Scale (PCS); Tampa Scale for Kinesiophobia (TSK); Perceived Stress (PSS); and State-Trait Anxiety Inventory (STAI). All variables were compared among all groups. Results Higher values of MPT and WUR; lower PPT; less efficient CPM; and higher scores of PSQI, PVAQ, PCS, and TSK were found in patients with painful TMJ clicking when compared to the other two groups (P < .001). Patients with painless TMJ clicking showed lower PPT and higher scores of PVAQ and TKS than the healthy control group. PSS and STAI data had no differences. Conclusion Patients with painful TMJ clicking had abnormalities in the somatosensory profile, with a significant somatosensory gain of function (more sensitive) to mechanical pain tests and less efficient CPM. Poor sleep quality along with higher levels of hypervigilance, pain catastrophising, and kinesiophobia were features of psychosocial profile of these patients. (AU)

FAPESP's process: 17/21674-0 - Comparison of the effectiveness of botulinum toxin type A in patients with refractory chronic orofacial pain according to different somatosensory profiles
Grantee:Giancarlo de La Torre Canales
Support Opportunities: Scholarships in Brazil - Post-Doctorate