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Year : 2022  |  Volume : 34  |  Issue : 3  |  Page : 180-183

Comparative evaluation of N-acetylcysteine and chlorhexidine as final irrigation on the push-out bond strength of different sealers: An in vitro study

Department of Conservative Dentistry and Endodontics, Al-Badar Dental College and Hospital, Kalaburagi, Karnataka, India

Correspondence Address:
Dr. Kiran Ghatole
Department of Conservative Dentistry and Endodontics, Al-Badar Dental College and Hospital, Kalaburagi - 585 102, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/endo.endo_81_22

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Aim: Using N acetyl cysteine (NAC) and Chlorhexidine as final irrigants, the study aims to examine the push out bond strength of distinct sealers. Materials and Methods: Access and biomechanical preparation were done on decoronated 80 single-rooted teeth. Canals were alternatively irrigated using 5ml of 5.25% NaOCl and 5ml of 17% EDTA solution during instrumentation. On the basis of final irrigation procedure, the samples are divided into two groups: Group 1 – NAC and Group 2 – 2% Chlorhexidine. Using paper points, canals were dried and subdivided depending on the sealers used, Group 1A and 2A- AH plus and 1B and 2B- BioRoot RCS. Teeth were obturated and middle root sections were tested for push-out bond strength using universal testing equipment. Statistical analysis was done. Results: NAC with AH-plus sealer had the maximum push-out strength, whereas Chlorhexidine with BioRoot RCS sealer had the lowest. Conclusion: NAC increases the bond strength of the obturating materials as the final irrigant. NAC can be considered as a final irrigant for endodontic therapy.

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