{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T23:17:00Z","timestamp":1788218220394,"version":"build-2803163510"},"reference-count":42,"publisher":"Georg Thieme Verlag KG","license":[{"start":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T00:00:00Z","timestamp":1788134400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Research, Innovation and Academic Services Fund"},{"name":"Faculty of Dentistry, Khon Kaen University grant number","award":["no. DTR 6708"],"award-info":[{"award-number":["no. DTR 6708"]}]},{"name":"Tra Vinh University Research Funding"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur J Dent"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The aim of this study is to evaluate the time-dependent volumetric changes, push-out bond strength (POBS), and dentine adaptation of epoxy resin, silicone bioactive glass and calcium silicate root canal sealers over 60 days.<\/jats:p>\n                  <jats:p>One hundred and twenty-five mandibular premolars were instrumented using ProTaper Next (size 40\/06) and assigned to five groups (n\u2009=\u200925). Each canal was obturated using the matched single-cone technique with one of the following sealers: AH Plus Jet (AHP Jet), GuttaFlow Bioseal (GFB), CeraSeal (CS), Endosequence BC (ES BC), or AH Plus Bioceramic (AHP Bioceramic). In each group, 20 samples were subdivided into two subgroups (n\u2009=\u200910) to assess POBS (push-out test) and dentine adaptation (scanning electron microscopy) of the filling materials at 2 and 60 days post-obturation. Micro-computed tomography (Micro-CT) was used to evaluate sealer volumetric changes over 60 days (n\u2009=\u20095).<\/jats:p>\n                  <jats:p>Two-way ANOVA assessed the interaction between sealer type and post-obturation time on POBS. One-way ANOVA compared POBS and volumetric alterations among the sealers, while paired and independent t-tests evaluated differences within each sealer. Kruskal\u2013Wallis and Mann\u2013Whitney U tests were used to analyze interfacial adaptation.<\/jats:p>\n                  <jats:p>For the POBS, AHP Jet, CS, and ES BC exhibited higher POBS values than GFB and AHP Bioceramic at 2 days post-obturation (p\u2009&lt;\u20090.001). At the 60-day evaluation, CS and ES BC demonstrated higher POBS than the other sealers (p\u2009&lt;\u20090.001), whereas GFB exhibited the lowest value. No significant difference in dentine adaptation was found among the sealers at either 2 days (p\u2009=\u20090.07) or 60 days (p\u2009=\u20090.08). After 60 days post-obturation, GFB, CS, ES BC, and AHP Bioceramic showed a significantly higher POBS (p\u2009&lt;\u20090.001) and dentine adaptation (p\u2009&lt;\u20090.05) than under the 2-day condition, whereas AHP Jet maintained consistent POBS (p\u2009=\u20090.87) and dentine adaptation (p\u2009=\u20090.76). Micro-CT revealed that silicone bioactive glass and bioceramic sealers expanded, whereas the epoxy resin sealer showed slight shrinkage after setting.<\/jats:p>\n                  <jats:p>CS and ES BC demonstrated the most stable long-term POBS, whereas all sealers illustrated favorable dentine adaptation. The volumetric expansion might relate to improvements in bond strength and dentine adaptation post-obturation in silicone bioactive glass and bioceramic sealers.<\/jats:p>","DOI":"10.1055\/s-0046-1827030","type":"journal-article","created":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T22:56:26Z","timestamp":1788216986000},"source":"Crossref","is-referenced-by-count":0,"title":["Volumetric Alterations and Bond Performance of Epoxy Resin, Silicone Bioactive Glass, and Bioceramic Sealers Following Obturation"],"prefix":"10.1055","author":[{"given":"Thanh Quang","family":"Nguyen","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand"},{"name":"College of Medicine and Pharmacy, Tra Vinh University, Vinh Long, Viet Nam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pinpana","family":"Thaweesit","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kanet","family":"Chotvorrarak","sequence":"additional","affiliation":[{"name":"Department of Operative Dentistry and Endodontics, Faculty of Dentistry, Mahidol University, Bangkok, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chantida Pawaputanon Na","family":"Mahasarakham","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Angsana","family":"Jainaen","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2026,8,31]]},"reference":[{"issue":"12","key":"ref1","doi-asserted-by":"crossref","first-page":"1015","DOI":"10.1002\/jemt.22430","article-title":"Adhesive interface and bond strength of endodontic sealers to root canal dentine after immersion in phosphate-buffered saline","volume":"77","author":"M Tedesco","year":"2014","journal-title":"Microsc Res Tech"},{"issue":"01","key":"ref2","doi-asserted-by":"crossref","first-page":"673","DOI":"10.1186\/s12903-023-03377-1","article-title":"Influence of long-term thermal cycling and masticatory loading simulation on bond strength of roots filled with epoxy resin and calcium silicate based sealers","volume":"23","author":"A Smran","year":"2023","journal-title":"BMC Oral Health"},{"issue":"01","key":"ref3","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1186\/s13005-018-0170-8","article-title":"The push-out bond strength of 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