{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T08:41:43Z","timestamp":1792226503489,"version":"4.4.0"},"reference-count":39,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2020,1,16]],"date-time":"2020-01-16T00:00:00Z","timestamp":1579132800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2020,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The role of oxidative stress in temporomandibular disorders (TMDs) has been studied using synovial fluid, to evaluate oxidative stress (im)balance and its potential role in the onset and\/or progression of the disease.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>This review aimed to evaluate the association between oxidative stress markers and the etiopathogenesis of TMJ dysfunction by means of synovial fluid analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Two independent reviewers searched the electronic databases from inception to March 2019: PubMed\/MEDLINE, LILACS, SciELO, EMBASE, TRIPDATABASE, SCOPUS, and Google Scholar. The following key search terms were used: Temporomandibular Joint Disorders OR Temporomandibular Joint Disc OR Temporomandibular Joint Dysfunction Syndrome OR Temporomandibular Joint OR Facial Pain AND Free Radicals OR Oxidative Stress. Data were extracted from the selected articles, including study design, sample profile, TMJ disease reported, diagnostic method, reactive oxygen and nitrogen species evaluated, enzymatic and non\u2010enzymatic antioxidants evaluated, and techniques used to measure free radicals and antioxidants.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After title and abstract screening of 6974 results, and full\u2010text reading, 19 studies were included. All selected articles were cross\u2010sectional observational studies. Enzymatic and non\u2010enzymatic antioxidant defences appeared to be reduced in these patients, resulting in the establishment of the oxidative stress process. In addition, the studies showed a positive correlation between the severity of the intra\u2010articular TMD and the increase in oxidative damage.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The establishment of oxidative stress, whether by an increase in reactive oxygen\/nitrogen species or by a decrease in antioxidant defences, or a combination of both, may be associated with the establishment and maintenance of intra\u2010articular damage.<\/jats:p><\/jats:sec>","DOI":"10.1111\/joor.12930","type":"journal-article","created":{"date-parts":[[2019,12,27]],"date-time":"2019-12-27T13:35:50Z","timestamp":1577453750000},"page":"536-546","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Association between oxidative stress and temporomandibular joint dysfunction: A narrative review"],"prefix":"10.1111","volume":"47","author":[{"given":"Marcylene 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