{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T13:03:57Z","timestamp":1789650237407,"version":"4.0.0"},"reference-count":43,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T00:00:00Z","timestamp":1778025600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T00:00:00Z","timestamp":1778025600000},"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":["European J Oral Sciences"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    This study evaluated the effect of the number of simulated endodontic treatment visits and the type of irrigant on the surface roughness, microhardness, topography, and fracture resistance of root dentin. Bovine roots were distributed into six groups (\n                    <jats:italic>n<\/jats:italic>\n                    \u00a0=\u00a014) according to the irrigant and number of treatment visits: 0.9% saline solution (single\u2010 or two\u2010visits); 2.5% sodium hypochlorite (NaOCl) (single\u2010 or two\u2010visits); 2% chlorhexidine (CHX) (single\u2010 or two\u2010visits). Next, the roots were embedded in cylindrical acrylic molds for fracture resistance testing and fracture pattern analysis. In addition, dentin blocks were subjected to the same experimental protocols (\n                    <jats:italic>n<\/jats:italic>\n                    \u00a0=\u00a07) and analyzed for surface roughness, topography, and microhardness. Two\u2010way\n                    <jats:sc>anova<\/jats:sc>\n                    , Tukey's post hoc and Fisher's exact tests were performed. There was no difference between the groups for fracture resistance or failure pattern. For surface roughness, highest values were observed when 2.5% NaOCl was used in combination with two simulated visits, findings that corroborate the dentin erosion observed in the microscopic analysis. For dentin microhardness, 2% CHX resulted in a reduction in this property, whereas the number of visits did not affect the outcome. In conclusion, different irrigants caused microstructural changes in dentin under simulated single\u2010 and two\u2010visits treatments, but fracture resistance remained unaffected.\n                  <\/jats:p>","DOI":"10.1111\/eos.70103","type":"journal-article","created":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T11:05:23Z","timestamp":1778065523000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Single\u2010 or two\u2010visits endodontic treatment: Impact of irrigants on surface roughness, microhardness, topography, and fracture resistance of root dentin"],"prefix":"10.1111","volume":"134","author":[{"given":"Yasmin","family":"Padoin","sequence":"first","affiliation":[{"name":"Graduate Program in Dentistry, Faculty of Dentistry Federal University of Santa Maria (UFSM)  Santa Maria Rio Grande do Sul Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sidnei Flores","family":"de Pellegrin","sequence":"additional","affiliation":[{"name":"Graduate Program in Dentistry, Faculty of Dentistry Federal University of Santa Maria (UFSM)  Santa Maria Rio Grande do Sul Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Duvan Cala","family":"Castillo","sequence":"additional","affiliation":[{"name":"Post\u2011Graduate Program in Oral Science, Faculty of Dentistry Federal University of Santa Maria (UFSM)  Santa Maria Rio Grande do Sul Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William Lemos","family":"Bevilaqua","sequence":"additional","affiliation":[{"name":"Industrial Technical College of Santa Maria (CTISM) Federal University of Santa Maria (UFSM)  Santa Maria Rio Grande do Sul Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriel Kalil Rocha","family":"Pereira","sequence":"additional","affiliation":[{"name":"Post\u2011Graduate Program in Oral Science, Faculty of Dentistry Federal University of 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