Effect of machanical nickel-titanium file combined with ultrasonic irrigation on C-shaped root canal preparation and filling quality in patients with chronic pulpitis
CHEN Wenli1 ZHOU Zhou2 XIAO Ping3
1.Department of Stomatology, Suzhou Municipal Hospital North District, Jiangsu Province, Suzhou 215000, China;
2.Department of Stomatology, Taicang City Hospital of Traditional Chinese Medicine, Jiangsu Province, Suzhou 215434, China;
3.Department of Stomatology, Taicang Port District Hospital, Jiangsu Province, Suzhou 215437, China
Abstract：Objective To investigate the effect of mechanical nickel-titanium file combined with ultrasonic irrigation on the preparation and filling quality of C-shaped root canals in patient with chronic pulpitis (CP). Methods A total of 89 CP patients admitted to Suzhou Municipal Hospital from February 2019 to February 2022 were selected and they were divided into observation group (44 cases) and control group (45 cases) by random number table method. The observation group was given machine-made nickel-titanium file to prepare the root canal with ultrasonic irrigation, while the control group was given machine-made nickel-titanium file to prepare the root canal with a syringe irrigation. One week after the patients underwent root canal treatment, the preparation of the C-shaped root canal and the pain after root canal preparation were compared between the two groups. Results There was no significant difference in the effect of good shape between the observation group and the control group (P＞0.05). After root canal preparation, the pain response rate of the observation group was lower than that of the control group (P＜0.05). The time of root canal preparation, filling, and flushing in the observation group were shorter than those in the control group (P＜0.05). The filling success rate of the observation group was higher than that of the control group (P＜0.05). Conclusion The mechanical nickel-titanium file combined with ultrasonic irrigation can improve the good rate of preparation, improve the pain after preparation, shorten the treatment time of root canal, and improve the filling quality.
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