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Dental Research Journal، جلد ۸، شماره ۴، صفحات ۰-۰
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عنوان انگلیسی The use of aminoguanidine, a selective inducible nitric oxide synthase inhibitor, to evaluate the role of nitric oxide on periapical healing
چکیده انگلیسی مقاله Background: Nitric oxide (NO) is one of the many chemical mediators involved in infl ammatory processes. In addition to periapical infl ammation, NO can have a role in periapical healing. The purpose of this study was to evaluate the effect of aminoguanidine (AG) as a selective inhibitor of inducible nitric oxide synthase (iNOS) on the degree of healing response of periapical lesions of the canine teeth of cats. Methods: In this interventional experimental study, the root canals of 48 cat canine teeth were infected with cat dental plaque and sealed. After induction of periapical lesions, root canal therapy (RCT) was performed. On the day of RCT phase, the cats were administered either AG (experimental group) or normal saline (control group), which was continued on a daily basis until the day of sacrifi ce. Four canine teeth in one cat served as negative and positive controls. The animals were sacrifi ced 6 weeks after RCT. The healing response of the periapical zones was analyzed histologically. The mean scores of healing for the two groups were compared using Mann–Whitney U test. Results: The mean scores of healing for the AG group (2.45±0.508) were signifi cantly higher than those of the control group (2±0.510) ( P < 0.05). Conclusion: The use of an iNOS selective inhibitor such as AG can accelerate the healing process in periapical lesions. Key Words: Aminoguanidine, apical periodontitis, healing, nitric oxide, nitric oxide synthase
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نویسندگان مقاله علیرضا فرهاد | ali reza farhad


سید محمد رضوی | seyed mohammad razavi


پرنیان علوی نژاد | parnian alavi nejad


نشانی اینترنتی http://drj.mui.ac.ir/index.php/drj/article/view/770
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