COMPARATIVE EVALUATION OF ROOT CANAL AREA INCREASE WITH THREE DIFFERENT ROTARY FILE SYSTEM AT THREE DIFFERENT LEVELS USING CONE BEAM COMPUTED TOMOGRAPHY:AN IN VITRO STUDY
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Keywords
Root Canal Area Increase, Computed Cone Beam Tomography, XP Endoshaper, Hyflex CM, K3 XF
Abstract
Background: Endodontic therapy success depends on effective cleaning and shaping of the root canal while maintaining the original anatomy. Ideally, instruments should retain the canal's natural shape during preparation to maximize cleaning efficiency and minimize unnecessary weakening of the tooth structure. Thus, the present study aims to evaluate and compare the root canal area increase achieved by three nickel-titanium (Ni-Ti) rotary file systems—XP Endoshaper, Hyflex CM, and K3 XF—at three levels of the root canal using cone beam computed tomography (CBCT).
Materials and Methods: This in vitro study was conducted at Dr. HSRSM Dental College, Hingoli involving a total of 60 freshly extracted teeth with fully formed apices, which were collected and stored in 0.1% NaOCl. The teeth were then divided into three groups: GROUP I (n=20) for XP Endoshaper, GROUP II (n=20) for Hyflex-CM, and GROUP III (n=20) for K3 XF. Canals were instrumented to a standardized size of 30/0.04 taper. Pre- and post-instrumentation CBCT scans were taken at 3 mm, 6 mm, and 9 mm from the apex.
Results: In the present study, statistical analysis showed no significant differences in root canal area increase between the groups at 3 mm and 6 mm levels. However, at the 9 mm level, XP Endoshaper demonstrated a significantly greater increase in canal area compared to both Hyflex CM and K3 XF (p<0.05). Hyflex CM and K3 XF also showed significant differences, with K3 XF achieving a higher increase compared to Hyflex CM (p<0.05).
Conclusion: XP Endoshaper was most effective in increasing the root canal area across all levels, indicating superior shaping ability. Hyflex CM and K3 XF showed moderate increases with distinct performance characteristics. The choice of rotary file system should consider the specific requirements of the clinical case, as XP Endoshaper may be preferable for extensive canal enlargement, while Hyflex CM and K3 XF may offer advantages in preserving canal anatomy.
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Dr. Priyanka Ashokrao Madale
Sr. Lecturer at Dept. Of Conservative Dentistry and Endodontics, Saraswati Dhanwantari Dental College, PG Research Institute & Hospital, Parbhani
Dr. Priya Matani
Sr. Lecturer at Dept. Of Conservative Dentistry and Endodontics, Saraswati Dhanwantari Dental College, PG Research Institute & Hospital, Parbhani
Dr. Priyanka Pravin Shep
Clinical Practitioner at Benecare Superspeciality Hospital and IVF Center, Baner, Pune
Dr. Nutan Hanumantrao Gutte
Sr. Lecturer at Dept. Of Conservative Dentistry and Endodontics, MIDSR Dental College, Latur
Dr. Snehal Pawan Dharpade
Sr. Lecturer at Dept. Of Conservative Dentistry and Endodontics, Saraswati Dhanwantari Dental College, PG Research Institute & Hospital, Parbhani
Dr. Bhupindra Chauhan
Sr. Lecturer at Dept. Of Conservative Dentistry and Endodontics, NIMS Dental College, NIMS University, Jaipur