{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T11:53:14Z","timestamp":1765972394846,"version":"3.48.0"},"reference-count":60,"publisher":"MJS Publishing, Medical Journals Sweden AB","license":[{"start":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T00:00:00Z","timestamp":1765929600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BIiD"],"abstract":"<jats:p>Laser-assisted endodontic treatments have gained popularity over the last decade. This study evaluated the flexural strength (FS), fatigue resistance, and surface characteristics of root dentine after laser-assisted endodontic protocols.\nForty extracted, caries-free canines were used to prepare root dentine beams (n = 37\/group). Beams were irradiated with (1) Er:YAG 2,940 nm (20 mJ, 0.3W, 15 Hz, 50 \u03bcs), (2) Er,Cr:YSGG 2,780 nm (2.25W, 50 Hz, 140 \u03bcs), and (3) 940 nm diode laser (1W, CW). The non-irradiated beams served as control group. Both erbium groups were treated with laser-activated irrigation with radial firing tips (RFTs); meanwhile, the diode group irradiation protocol, using RFT, was dry. Specimens underwent quasi-static loading (n = 12) and cyclic loading for fatigue behaviour (n = 25) using 4-point flexure test. Scanning electron microscopy analysis was performed. Data were analysed using analysis of variance and Kruskal-Wallis tests (\u03b1 = 0.05).\nNo significant difference was found in FS or fatigue resistance after laser-assisted treatment (p &gt; 0.05), but endurance limits improved by 18% (Er:YAG) and 19% (Er,Cr:YSGG) compared to controls.\nThese findings suggest that Er:YAG, Er,Cr:YSGG, and 940 nm diode lasers, when applied with recommended parameters, do not compromise dentine fatigue strength. Therefore, they may be safely integrated into root canal treatment protocols.<\/jats:p>","DOI":"10.2340\/biid.v12.44960","type":"journal-article","created":{"date-parts":[[2025,12,17]],"date-time":"2025-12-17T11:28:37Z","timestamp":1765970917000},"page":"202-209","source":"Crossref","is-referenced-by-count":0,"title":["Evaluation of Er:YAG, Er,Cr:YSGG and diode lasers irradiation on radicular dentine fatigue strength using modified endodontic laser tips"],"prefix":"10.2340","volume":"12","author":[{"given":"Jaana Hannele","family":"Sippus","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcelo","family":"Capitanio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mustafa Murat","family":"Mutluay","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rene","family":"Franzen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arzu","family":"Tezvergil-Mutluay","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1183","published-online":{"date-parts":[[2025,12,17]]},"reference":[{"key":"135918","doi-asserted-by":"crossref","unstructured":"DiVito E, Peters OA, et al. 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