{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T21:05:15Z","timestamp":1774645515457,"version":"3.50.1"},"reference-count":39,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T00:00:00Z","timestamp":1762473600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T00:00:00Z","timestamp":1762473600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2026,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>In order to understand the psychological aspects of chronic pain, it is important to consider the relationships between pain and psychosocial factors in patients with chronic pain. While psychosocial factors are known to affect pain intensity in temporomandibular disorders, few studies have evaluated them in patients with other types of chronic orofacial pain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>The purpose of the present study was to evaluate the relationships between pain intensity and patient characteristics, diagnostic categories and psychosocial factors in chronic non\u2010nociceptive orofacial pain patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In a retrospective, cross\u2010sectional study, we collected information from the medical records of 123 patients with chronic non\u2010nociceptive orofacial pain. Pain intensity was measured using the Brief Pain Inventory (BPI) total score. Analysis of the correlations among the variables revealed several strong correlations. Principal component analysis identified two components: the psychological distress and self\u2010efficacy\/quality of life (QOL) components. Multiple linear regression analyses of the overall study population and each ICOP pain category were also performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In the overall sample, higher BPI scores were significantly associated with a greater psychological distress component and lower self\u2010efficacy\/QOL component. The pain category was not a significant predictor of the BPI score. In the subgroup analyses, both components were significant predictors of the BPI score in myofascial orofacial pain; whereas, only the self\u2010efficacy\/QOL component was in idiopathic orofacial pain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The results indicated that pain intensity in chronic non\u2010nociceptive orofacial pain is related to the self\u2010efficacy\/QOL psychosocial factor component. These findings suggest that assessing psychosocial factors may be clinically important for the diagnosis and treatment of chronic orofacial pain.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/joor.70094","type":"journal-article","created":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T09:24:11Z","timestamp":1762507451000},"page":"466-474","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Is Pain Intensity Related to Psychosocial Factors in Chronic Non\u2010Nociceptive Orofacial Pain Patients?"],"prefix":"10.1111","volume":"53","author":[{"given":"Akiko","family":"Kawase","sequence":"first","affiliation":[{"name":"Department of Dental Anesthesiology and Special Care Dentistry Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences  Okayama Japan"},{"name":"Department of Dentistry Ohara Health Care Foundation Kurashiki Central Hospital  Kurashiki 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