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A systematic review and meta-analysis was carried out with the following three objectives: 1)To deepen and discuss through a comprehensive analysis of the literature the effects of dental caries on the activity and levels of TNF-\u03b1, IL-6 and IL-8 in saliva of children and young adults, 2)To compare the levels of this cytokines in saliva of the exposure group (moderate-severe dental caries) with the control group (caries-free or mild dental caries), and 3)To determine whether the levels of these cytokines could be used as a complementary clinical diagnostic tool to assess the severity of dental caries.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>The protocol followed PRISMA and Cochrane guidelines and was registered in the Open Science Framework (OSF): <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"doi\" xlink:href=\"10.17605\/OSF.IO\/MF74V\">https:\/\/doi.org\/10.17605\/OSF.IO\/MF74V<\/jats:ext-link>. A digital search was performed in PubMed\/MEDLINE, Cochrane, Scopus, and Google Schoolar databases from February 15th, 2012, to January 13th, 2024. The methodological validity of the selected studies was assessed using Joanna Briggs Institute (JBI) tool. A meta-analysis was performed using a random-effects model to evaluate the association between dental caries\/health, and the concentration of TNF-\u03b1, IL-6 and IL-8.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The search strategy provided a total of 126 articles, of which 15 investigations met the inclusion criteria. The total number of patients studied was 1,148, of which 743 represented the case\/exposure group, and 405 represented the control group. The age of the patients ranged from 3 to 25 years. IL-6 was the most prevalent cytokine in the saliva of children and young adults with active dental caries. The meta-analysis revealed that there are significant differences between the levels of IL-6 and TNF-\u03b1 in saliva of children with active dental caries compared to their control groups.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>The findings suggest that IL-6 and TNF-\u03b1 levels may have potential as complementary biomarkers for assessing dental caries severity. However, further research is needed to validate these findings in larger and more diverse populations before clinical application.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12903-024-04560-8","type":"journal-article","created":{"date-parts":[[2024,7,18]],"date-time":"2024-07-18T13:02:09Z","timestamp":1721307729000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Activity and levels of TNF-\u03b1, IL-6 and IL-8 in saliva of children and young adults with dental caries: a systematic review and meta-analysis"],"prefix":"10.1186","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6727-7969","authenticated-orcid":false,"given":"Mario Alberto","family":"Alarc\u00f3n-S\u00e1nchez","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9321-0095","authenticated-orcid":false,"given":"Julieta Sarai","family":"Becerra-Ruiz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Avetisyan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8329-3205","authenticated-orcid":false,"given":"Artak","family":"Heboyan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,7,18]]},"reference":[{"issue":"12","key":"4560_CR1","doi-asserted-by":"publisher","first-page":"1795","DOI":"10.3390\/healthcare11121795","volume":"11","author":"M Mazur","year":"2023","unstructured":"Mazur M, Corridore D, Ndokaj A, Ardan R, Vozza I, Babajko S, Jedeon K. 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