Influence of clinical and psychological variables upon the oral health-related quality of life in patients with temporomandibular disorders

Abstract
To analyze the association between the OHIP-14 and the different subtypes making up the clinical and psychological axis obtained using the RDC/TMD. 407 patients treated at the TMD unit of the Andalusian Healthcare Service were administered the Spanish version of the Research Diagnostic Criteria for Temporomandibular Disorders questionnaire (RDC/TMD), together with the Oral Health Impact Profile questionnaire (OHIP-14). The degree of association between the patients? score in the OHIP-14 and the clinical and biopsychosocial variables was analyzed through bivariate and multivariate analyses, specifically through linear regression. 89.4% of the treated patients were women, while 10.6% were men, with an average age of 42.08 ± 14.9 years. The mean score and standard deviation for the OHIP-14 was 20.57 ± 10.73. A significant association (p<0.05) was observed with the following variables: Axis I, jaw disability checklist, depression, somatization, perceived pain duration, and pain interference with activities of daily living. The analysis of the relation between self-perceived health in patients with TMD, as measured by the OHIP-14, showed a R2 of 0.3979, with a higher Beta value for the association between the OHIP and patients with both myofascial pain and arthopathy, jaw disability, depression, a higher pain duration and a higher pain interference with activities of daily living.
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Bibliographic reference
Blanco Aguilera, Antonio ; Blanco Aguilera, Elena ; Serrano del Rosal, Rafael ; Biedma Velázquez, Lourdes ; Rodríguez Torronteras, Alejandro ; Segura Saint Gerons, Rafael ; Blanco Hungría, Antonio. Influence of clinical and psychological variables upon the oral health-related quality of life in patients with temporomandibular disorders. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 22 6 2017: 2-