ArticleJournal of conservative dentistry and endodontics2026
Scanning electron microscopy and energy dispersive X-ray analysis evaluation of silver nanoparticles-modified bioceramic and resin-based root canal sealers.
Article in Journal of conservative dentistry and endodontics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Effective endodontic treatment relies on the achievement of an impermeable seal within the canal environment, where dentinal tubule penetration and interfacial adaptation are crucial for entombing residual bacteria. Incorporation of silver nanoparticles (AgNPs) into sealers has been proposed to enhance their physicochemical and antibacterial properties. Aim: This study aimed to analyze the depth of intratubular penetration, interfacial adaptation, and the elemental composition of traditional and AgNP-containing sealers by scanning electron microscopy and energy dispersive X-ray analysis (SEM-EDAX). Materials and Methods: A total of 52 recently extracted single-rooted teeth were grouped into four divisions at random ( Results: All groups exhibited sealer penetration, with significantly greater values in coronal and middle thirds than apical. AgNP-modified groups demonstrated enhanced penetration and improved interfacial adaptation compared to conventional sealers. EDAX confirmed uniform silver distribution in nanoparticle groups. Conclusion: AgNP incorporation improved dentinal tubule penetration and interfacial characteristics of both AH Plus and BIO-C sealers. SEM-EDAX proved effective for microstructural and elemental evaluation.
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