Evaluation Of Three Root Canal Irrigants In Their Ability To Remove Smear Layer With Significantly Least Erosio – Ansem Analysis.

Document Type : Primary Research paper

Authors

1 M.D.S, Private Practitioner, Private practitioner, Oris Dental Center, Dubai

2 M.D.S Professor Department of Conservative Dentistry &Endodontics,Sree Balaji Dental College & Hospital,Bharath Institute of Higher Education and research,Narayanapuram, Pallikaranai, Chennai – 600100, Tamil Nadu, India.

3 M.D.S Professor & HOD, Department of Conservative Dentistry & Endodontics,Sree Balaji Dental College & Hospital,Bharath Institute of Higher Education and research,Narayanapuram, Pallikaranai, Chennai – 600100, Tamil Nadu, India.

4 M.D.S, Reader Department of Conservative Dentistry & Endodontics,Sree Balaji Dental College & Hospital,Bharath Institute of Higher Education and research,Narayanapuram, Pallikaranai, Chennai – 600100, Tamil Nadu, India.

Abstract

Aim: To find a viable alternative to the existing benchmark root canal irrigants with less erosion and clinically acceptable smear layer removal.
Methods: Forty single rooted mandibular premolars were selected and decoronated to a standard size. Cleaning and shaping was done with Protaper sequentially till size F3 with 2.5 % sodium hypochlorite as working solution. Based on the final irrigating solution used, samples were divided randomly into four groups; group I: 17% EDTA+ 2.5% NaOCl, group II:Oxum +2.5% NaOCl, group III: 10% Triphala +2.5% NaOCl and group IV: 0.9% saline. After final irrigation with the above mentioned irrigants, teethwere prepared for SEM analysis to evaluate smear layer and presence or absence of erosion in the coronal, middle and apical thirds of radicular dentin. The data was statistically analyzed using the Kruskall- Wallis test.
Results: Atcoronal, middle and apical thirds, EDTA showed statistically significant smear layer removal accompanied by significantly severe erosion as compared to Oxum and Triphala. Oxum showed statistically significant smear layer removal in coronal and middle regions as compared to Triphala. In apical thirds, Triphala showed better smear layer removal as compared to Oxum but with significant erosion.
Conclusion: When compared to the benchmark irrigating solutions, Oxum (oxidative potential water - OPW) proved to be superior in smear layer removal with less significant erosion.

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