Xiliang Yang, Lingyun Xia, Yongji Chen, Lei Jiang, Tianxia Zheng, Yuhong Bai
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Cytotoxicity and Bone Biocompatibility of the C-Root SP Experimental Root Canal Sealer.
This study evaluated the cytotoxicity and biocompatibility of a new strontium silicate-based root canal sealer (C-Root SP), in comparison with those of iRoot SP and AH plus. The sealer extract was diluted to the concentrations of 100%, 75%, 50%, and 25%. L929 cells were cultured for 24 h, and the absorbance value was determined. Two-way analysis of variance (two-way ANOVA) and sealers were implanted in the tibia of Sprague-Dawley (SD) rats, At 2, 6, and 12 weeks, rats were euthanised. The tissue reaction was evaluated by HE staining. The least significant difference (LSD) t-test and Kruskal-Wallis test were used. The cytotoxicity of C-Root SP and iRoot SP was found to be less than that of AH plus. At 12 weeks, new bone formation was induced around C-Root SP and iRoot SP sealer, but minimal evidence of bone formation was found in AH plus. C-Root SP has low cytotoxicity and superior biocompatibility.
期刊介绍：
The Australian Endodontic Journal provides a forum for communication in the different fields that encompass endodontics for all specialists and dentists with an interest in the morphology, physiology, and pathology of the human tooth, in particular the dental pulp, root and peri-radicular tissues.
The Journal features regular clinical updates, research reports and case reports from authors worldwide, and also publishes meeting abstracts, society news and historical endodontic glimpses.
The Australian Endodontic Journal is a publication for dentists in general and specialist practice devoted solely to endodontics. It aims to promote communication in the different fields that encompass endodontics for those dentists who have a special interest in endodontics.
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