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ORIGINAL ARTICLE
Year : 2021  |  Volume : 8  |  Issue : 1  |  Page : 16-19

Comparative evaluation of the cleaning efficacy of two commercially available buffered sodium hypochlorite solutions by measurement of lateral penetration of sealer into radicular dentin: A fluorescence microscopic study


Department of Conservative Dentistry and Endodontics, Dr. DY Patil Dental College and Hospital, Pune, Maharashtra, India

Correspondence Address:
Shalini D Aggarwal
Department of Conservative Dentistry and Endodontics, Dr. DY Patil Dental College and Hospital, Sant Tukaram Nagar, Pimpri, Pune - 411 018, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jdrr.jdrr_71_20

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Aim: The aim of this study was to assess and compare the efficacy of two commercially available sodium hypochlorite (NaOCl) solutions by measurement of lateral penetration of sealer into radicular dentin using fluorescence microscopy – an in vitro study. Materials and Methods: Thirty-six roots were obtained and stored in 0.5% thymol solution. Roots were then randomly allocated to the respective groups – Group I (control group): roots irrigated with 3% NaOCl and 17% ethylenediaminetetraacetic acid (EDTA) solution (n = 12), Group II: roots irrigated with chloraxid extra (solution of 5.25% NaOCl with surfactants) with n = 12, and Group III: roots irrigated with ChlorOQuick (solution of 5% NaOCl with 9% etidronic acid solution) with n = 12. Root canal preparation was done, and samples were obturated using AH plus sealer mixed with rhodamine dye. Slices of 0.5 mm thickness were mounted on glass slides and examined with fluorescence microscope. Statistical Analysis Used: Student's unpaired t-test and one-way analysis of variance with Tukey-Kramer multiple comparison test were used for statistical analysis. Results: There was no significant difference between mean values of measurement of lateral penetration of sealer into radicular dentin when Group I, Group II and in Group III compared each other (P = 0.3598). Group I (control group – 3% NaOCl followed by 17% EDTA) permitted the maximum amount of sealer penetration laterally into the dentinal tubules from the root canal lumen followed by Group II (5.25% NaOCl modified with surfactants). Group III (5% NaOCl + 9% etidronic acid) showed the least sealer penetration in this study. Conclusions: Within the limitations of this study, we could conclude that the cleaning efficacy of modifications to NaOCl provided results similar to the conventional irrigation protocol and hence could be used as a stand-alone irrigant.


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