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| Influences of WaveOne Gold Nickel-Titanium File and Hand Stainless Steel K File on Root Canal Preparation and Postoperative Pain in Patients with Apical Periodontitis |
| ZHU Xiujuan, LIU Gang, ZHOU Ya'nan, et al |
| Huaibei Miners General Hospital, Anhui Huaibei 235000, China |
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Abstract Objective: To compare the influence of WaveOne Gold nickel-titanium file and hand stainless steel K file on root canal preparation and postoperative pain in patients with apical periodontitis. Methods: Totally 130 patients who received root canal therapy in the hospital from October 2021 to October 2023 were classified into nickel-titanium file group (n=66, WaveOne Gold nickel-titanium file) and K file group (n=64, hand stainless steel K file) according to the instrument selection corresponding to clinical indications. The success rate of one-time root canal preparation and root canal preparation time were compared between groups. The effect of root canal filling and pain status at 7 days after surgery were evaluated. Results: The success rate of one-time root canal preparation in the nickel-titanium file group was higher than that in the K file group, and the root canal preparation time was shorter (P<0.05). The root canal accurate filling rate in the nickel-titanium file group was higher compared with that in the K file group (P<0.05). The visual analogue scale (VAS) score at 7 days after surgery was lower in the nickel-titanium file group than that in the K file group (P<0.05). Conclusion: Compared with hand stainless steel K file, WaveOne Gold nickel-titanium file is more effective in root canal preparation for patients with apical periodontitis, and the latter one can more effectively improve the success rate of one-time root canal preparation, shorten the root canal preparation time, enhance the root canal filling effect, and relieve the postoperative pain.
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2025, Vol. 31 
