Journal of Conservative Dentistry
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Year : 2015  |  Volume : 18  |  Issue : 5  |  Page : 374-378

Smear layer removal efficacy of combination of herbal extracts in two different ratios either alone or supplemented with sonic agitation: An in vitro scanning electron microscope study

1 Department of Conservative Dentistry and Endodontics, K. M. Shah Dental College and Hospital, Sumandeep Vidyapeeth, Vadodara, Gujarat, India
2 Department of Conservative Dentistry and Endodontics, P. M. N. M. Dental College and Hospital, Bagalkot, Karnataka, India

Correspondence Address:
Dr. Naveen Chhabra
Department of Conservative Dentistry and Endodontics, K. M. Shah Dental College and Hospital, Sumandeep Vidyapeeth, Piparia, Waghodia, Vadodara - 391 760, Gujarat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.164035

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Objectives: The study aimed to evaluate the effectiveness of the combination of two natural extracts in varying ratios for removal of smear layer either alone or supplemented with sonic agitation. Materials and Methods: Fifty extracted single-rooted teeth were collected, disinfected and decoronated below the cementoenamel junction to obtain standardized root length of 10 mm. Root canals were instrumented using rotary files at working length 1 mm short of the apex. Specimens were divided into six groups according to the irrigation protocol as follows: Group A - Distilled water, Group B - 17% ethylenediaminetetraacetic acid, Group C - Herbal extracts in 1:1 ratio, Group D - Herbal extracts in 1:1 ratio supplemented with sonic agitation, Group E - Herbal extracts in 2:1 ratio, Group F - Herbal extracts in 2:1 ratio supplemented with sonic agitation. Specimens were longitudinally sectioned and evaluated under scanning electron microscope for smear layer removal efficacy. Obtained scores were statistically analyzed using one-way analysis of variance and post-hoc test. Results: Among all, Group B showed the best results followed by Group F. Remaining other groups showed inferior outcome (P < 0.05). Conclusion: The combination of two extracts in 2:1 ratio was slightly better than 1:1 ratio and the smear layer removal efficacy was further improved when accompanied with sonic agitation.

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