ArticleJournal of International Society of Preventive & Community Dentistry
Influence of Various Chelating Irrigating Solutions and Protocols on the Micro-hardness and Surface Roughness of Root Dentin.
Article in Journal of International Society of Preventive & Community Dentistry. 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
Aim: Effective irrigants and chemo-mechanical debridement are critical for successful endodontic therapy. However, use of irrigating solutions can significantly alter the physical properties of root canal dentin, particularly its micro-hardness (MH) and surface roughness (SR). This study evaluated and compared the effects of three final chelating irrigants-0.5% chitosan nanoparticle solution (CNPs), 17% ethylenediaminetetraacetic acid (EDTA), and 10% citric acid (CA)-with and without ultrasonic (US) activation on the MH and SR of radicular dentin, aiming for informed clinical endodontic practices. Materials and Methods: Forty-nine extracted mandibular premolars were decoronated, instrumented, longitudinally sectioned, and divided into 98 root halves. These were randomly assigned to two main groups for MH and SR testing and further subdivided ( Results: EDTA and EDTA + US groups showed the most significant MH reduction across all root regions (coronal, middle, and apical), followed by CA and CA + US groups ( Conclusion: CNPs demonstrated superior performance by increasing dentin MH and minimizing SR alterations, suggesting it is a promising, bio-compatible alternative to conventional chelating agents like EDTA for endodontic irrigation.
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