IP Annals of Prosthodontics and Restorative Dentistry
Official Publication of Khyati Education And Research Foundation
Official Publication of Khyati Education And Research Foundation
Print ISSN: 2581-4796
Online ISSN: 2581-480X
IP Annals of Prosthodontics and Restorative Dentistry (APRD) open access, peer-reviewed quarterly journal publishing since 2015 and is published under the Khyati Education and Research Foundation (KERF), is registered as a non-profit society (under the society registration act, 1860), Government of India with the vision of various accredited vocational courses in healthcare, education, paramedical, yoga, publication, teaching and research activity, with the aim of faster and better dissemination of knowledge, we will be publishing the article more...Original Article
Author Details :
Volume : 6, Issue : 2, Year : 2020
Article Page : 94-99
https://doi.org/10.18231/j.aprd.2020.020
Abstract
Background: Success in endodontic therapy depends on effective chemomechanical preparation of the
root canal, but their compromising effects on root dentin microhardness should be taken into consideration.
AIM: To evaluate the effect on microhardness of root dentin prepared with hand stainless steel K-Files,
ProTaper and K3 NiTi Rotary file systems with 2.5% Sodium Hypochlorite as common irrigating solution.
Materials and Methods : Fifty human mandibular single-rooted premolar teeth selected. Access opening
was done and working length was determined. All the specimens were then randomly divided into five
groups with 10 specimens in each group. Group I- Neither instrumented nor irrigated. Group II- 2.5%
NaOCl irrigation Group III- Stainless steel K-files using 2.5% NaOCl Group IV- ProTaper rotary files
using 2.5% NaOCl solution. Group V - K3 rotary files using 2.5% NaOCl solution. The specimens were
prepared for microhardness testing at a distance of 500 mm and 1000 mm from the lumen of each sample
using vickers microhardness test.
Results: 1) Significant difference in microhardness values were seen at 500 mm and 1000 mm (P<0>
from the lumen in all groups. 2) Statistically significant differences were seen among all the groups except
between Group IV & V.
Conclusion: Instrumentation with NiTi Rotary files affected dentin microhardness significantly to a lesser
extent when compared to Stainless Steel K files using 2.5% NaOCl irrigating solution.
Keywords: Microhardness, Sodium hypochlorite, Nickel Titanium Rotary files.,
How to cite : Saripella M K R, Konagala R K, Anupreeta A, Lakshman Varma U, , Ramesh P, Evaluation of root dentin microhardness prepared with hand and two rotary file systems with 2.5% sodium hypochlorite irrigation solution - an in vitro study. IP Ann Prosthodont Restor Dent 2020;6(2):94-99
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