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Dental Research Journal، جلد ۱۰، شماره ۲، صفحات ۰-۰
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عنوان انگلیسی Debris and smear layer removal efficacy and changes in morphologyof dentinal tubules after using citric acid, tetracycline‑hydrochlorideand mixture of tetracycline and acid and detergent
چکیده انگلیسی مقاله Background: In periodontal diseases, contamination of roots with bacteria and their active biologic agents and smear layer formation following periodontal treatments, prevents reattachmentof periodontal cells. As a matter of fact biomodification of root surface and removal of smearlayer and debris is critical for regeneration of periodontal structures. The aim of this study was tocompare the efficacy of smear layer removal by citric acid, tetracycline‑hydrochloride (TTC‑HCL)and mixture of tetracycline and acid and detergent (MTAD). Materials and Methods: In this in vitro and experimental study, 12 impacted third molars were sectioned from cervical enamel junction (CEJ) to mid‑root area into four dentinal specimens ( n = 48).Three groups were conditioned by citric acid 3%, TTC‑HCL 50 mg/mL and MTAD by means ofcotton pellets, which were changed every 30 s for 3 min. The control group was conditioned bydistilled water. Images from scanning electron microscope (SEM) were examined by two differentanalyzers. Data was analyzed by Kroskal Wallis and Mann – Whitney statistical analysis. Results: The mean of dentinal tubules diameter was the most in MTAD group and the least in TTC‑HCL and this difference was statistically significant ( P = 0.05). Conclusion: According to the present study, TTC‑HCL could remove debris and smear layer but citric acid and MTAD had better debris and smear layer removal efficacy and demineralizationeffect in comparison with TTC‑HCL. Key Words: Citric acid, mixture of tetracycline and acid and detergent, smear layer, tetracycline hydrochloride
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نویسندگان مقاله احمد مقاره عابد | ahmad moghare abed


شیرین زهرا فرهاد | shirin zahra farhad


علیرضا فرهاد | alireza farhad


مهرداد برکتین | mehrdad barekatain


مروارید مافی | morvarid mafi


محمد شاه ابویی | mohammad shah abooie


نشانی اینترنتی http://drj.mui.ac.ir/index.php/drj/article/view/1421
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