E-ISSN 2548-0839
Volume : 9 Issue : 3 Year : 2024

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Journal Citation Reports (Clarivate, 2024)(Dentistry, Oral Surgery & Medicine (Science))
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Assessment of Apical Pressures in Single and Joining Canals - An Ex Vivo Study Based on Computational Fluid Dynamic Analysis [Eur Endod J]
Eur Endod J. 2024; 9(1): 89-94 | DOI: 10.14744/eej.2023.57060

Assessment of Apical Pressures in Single and Joining Canals - An Ex Vivo Study Based on Computational Fluid Dynamic Analysis

Sahil Choudhari1, Kavalipurapu Venkata Teja1, Sindhu Ramesh1, Raja Kumar1, Gianrico Spagnuolo2
1Department of Conservative Dentistry and Endodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
2Department of Neuroscience, Reproductive and Odontostomotological Sciences, University of Naples, Naples, Italy

Objective: Computational fluid dynamic analysis (CFD) is claimed to be a reliable tool for analysing the fluid flow and the generated apical pressures in the simulated root canal. The current study aimed to analyse the apical pressures in extracted teeth with single and joining canals.
Methods: Forty-six freshly extracted teeth were collected for the present study. The power was set at 95%, with an effect size of 0.55 (1-β=95%, α=0.05). Once the root canal anatomy was confirmed with cone-beam computed tomography (CBCT), they were divided into two groups: group I: mandibular second premolars with Vertucci type-I (n=23), and group II: maxillary second premolars with Vertucci type-II (n=23). The instrumentation of the specimens was carried out to a 0.04-taper using rotary instruments. A post-instrumentation CBCT was obtained, and computer-aided design models were obtained. The CFD simulations were then con- ducted with simulated 30-gauge side vented needles at 25, 50, and 75% short of the working length (WL).
Results: Group I recorded significantly (p<0.05) higher apical pressures at needle positions 25% short of the WL. However, no significant differences were elicited in the groups at other needle positions.
Conclusion: Single canal specimens recorded higher apical pressures at needle positions 25% short of the WL. However, no differences were elicited between single and joining canals at higher needle positions. (EEJ-2022-09-120)

Keywords: Endodontics, irrigant, premolars, root canal

Corresponding Author: Gianrico Spagnuolo
Manuscript Language: English
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