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ORIGINAL ARTICLE
Year : 2021  |  Volume : 15  |  Issue : 2  |  Page : 102-105

Development of apical root microcracks following different root canal preparation systems


Field Hospital, Basoli, Jammu and Kashmir, India

Correspondence Address:
Saleem Akhtar
1209 DU, c/o 56 APO Pin: 931710 194101, Jammu and Kashmir
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JODD.JODD_36_20

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Context: The most critical step in root canal therapy is cleaning and shaping of the root canal. A vast array of instruments both handheld and engine driven are available for root canal preparation. There are very few studies to compare the effect of different types of instruments on the development of apical root cracks. Hence, the aim of the study was to compare the development of apical root cracks following different root canal preparation techniques and instruments. Aims: The aim of this study is to compare the development of apical root cracks following different root canal preparation techniques and instruments. Settings and Design: This is an in vitro study. Subjects and Methods: Forty extracted mandibular premolar teeth were selected and mounted on resin blocks with simulated periodontal ligaments, after which the apex was exposed. All teeth were randomly divided into four groups; each group was earmarked for a specific technique and instrument used for root canal preparation. Digital images of external apical root surfaces of every tooth were taken before and after apical enlargement through optical microscope (×40). These images were compared, and the presence of cracks was evaluated. Statistical Analysis Used: Chi-square exact test was used to compare the four groups. Results: Overall P value was 0.167 which is not statistically significant and indicates that the proportion of teeth developing cracks was not statistically significant among the four groups. Conclusions: More cracks were developed with rotary system. However, the results were not statistically significant among the four groups.


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