KẾT QUẢ TẠO HÌNH HỆ THỐNG ỐNG TỦY NHÓM RĂNG HÀM LỚN HÀM DƯỚI SỬ DỤNG HỆ THỐNG TRÂM JIZAI

Abstract

Objective: Evaluate the results of shaping the root canal system in the group of lower molar teeth using the Jizai file system. Methods: Non-randomized clinical intervention study. Study subjects: 38 lower molar teeth indicated for first-time endodontic treatment. Results: Jizai I, II, III files had an average change in curvature respectively of 2.01 ± 1.71; 1.51 ± 1.44 and 2.46 ± 0.3 (degrees). Final finished file: the jizai I file was 69.53 %, jizai II file was 28.91%, jizai III was 1.56%. The average root canal shaping time is 27.56 ± 5.58. No complications occurred during root canal preparation. Conclusion: Research results show that the Jizai file system is effective when shaping root canals due to its good features such as little change in the original curvature of the root canal, the design of Jizai I with 04 taper is very suitable. for curved and narrow root canals, saves tooth tissue, is flexible, safe, and shortens working time compared to traditional hand file systems.