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北京大学学报（医学版） ›› 2026, Vol. 58 ›› Issue (1): 84-88. doi: 10.19723/j.issn.1671-167X.2026.01.011

• 论著 • 上一篇    下一篇

超声洁治对种植修复基台螺丝扭矩的影响

汤易1, 赵雪竹1, 杨旭1, 贾惠梅1, 刘云松2,*()   

  1. 1. 北京大学口腔医学院·口腔医院第二门诊部, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 北京 100081
    2. 北京大学口腔医学院·口腔医院修复科, 国家口腔医学中心, 国家口腔疾病临床医学研究中心, 口腔生物材料和数字诊疗装备国家工程研究中心, 口腔数字医学北京市重点实验室, 北京 100081
  • 收稿日期:2025-09-24 出版日期:2026-02-18 发布日期:2025-11-27
  • 通讯作者: 刘云松
  • 基金资助:
    青年北京学者计划(089-2024); 国家口腔医学中心适宜技术推广项目(2023-NCSHTP-04)

Impact of ultrasonic scaling on abutment screw torque in implant restorations

Yi TANG1, Xuezhu ZHAO1, Xu YANG1, Huimei JIA1, Yunsong LIU2,*()   

  1. 1. Second Clinical Division, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
    2. Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
  • Received:2025-09-24 Online:2026-02-18 Published:2025-11-27
  • Contact: Yunsong LIU
  • Supported by:
    the Youth Beijing Scholars Program(089-2024); the National Center of Stomatology Suitable Technology Promotion Project(2023-NCSHTP-04)

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摘要：

目的: 探索超声洁治对种植修复基台螺丝扭矩的影响, 比较不同材质超声工作尖对螺丝扭矩影响的差异。方法: 选取22枚种植体, 对其临时修复体和正式修复体分别施加15 N·cm和35 N·cm两种初始扭矩(primary torque value, PTV), 随后使用传统金属洁治工作尖(金属尖)和碳纤维洁治工作尖(纤维尖)分别进行1 min超声洁治, 测量其移除扭矩(removal torque value, RTV)。采用配对t检验比较同一修复体在超声洁治前后的扭矩变化(显著性水平α=0.05, 双侧), 以评估超声洁治对扭矩的影响; 并在相同PTV条件下, 对不同工作尖洁治后的RTV进行配对t检验, 以分析工作尖材质对RTV的影响。结果: 所有组别经超声洁治后RTV均显著低于相应PTV(P＜0.05)。PTV为15 N·cm时, 纤维尖组RTV为(14.1±1.27) N·cm, 显著高于金属尖组的(12.3±1.56) N·cm(P＜0.05);当PTV为35 N·cm时, 纤维尖组RTV为(34.0±1.29) N·cm, 金属尖组为(33.1±1.70) N·cm, 组间差异无统计学意义(P＞0.05)。结论: 超声洁治可导致种植修复基台螺丝扭矩出现显著衰减, 在较低初始扭矩(15 N·cm)条件下, 纤维尖相较于金属尖能够显著减少扭矩衰减; 然而在较高初始扭矩(35 N·cm)条件下, 两种工作尖对螺丝扭矩的影响差异无统计学意义, 研究结果提示临床种植体周维护后应检查螺丝扭矩, 以减少螺丝松动的风险。

关键词: 超声洁治, 螺丝松动, 扭矩衰减, 移除扭矩值

Abstract:

Objective: To investigate the effect of ultrasonic scaling on the torque of implant prosthetic abutment screws and to compare the differences in torque influence between ultrasonic tips of two different materials. Methods: In this study, a total of 22 implants were selected, and two distinct primary torque values (PTV) 15 N·cm and 35 N·cm were applied to the temporary and definitive restorations mounted on each implant, respectively. Subsequently, ultrasonic scaling was performed for one minute using either a traditional metal scaling tip (metal tip) or a carbon fiber scaling tip (fiber tip), followed by measurement of the removal torque value (RTV). Paired t-tests were used to compare the torque changes in the same prosthesis before and after ultrasonic scaling (significance level α=0.05, two-tailed) to evaluate the effect of ultrasonic scaling on torque. Under the same PTV condition, paired t-tests were also conducted to compare the RTV after scaling with different tips to analyze the influence of the tip material on RTV. Results: The RTVs in all the four groups were significantly lower than the corresponding PTVs after ultrasonic scaling (P < 0.05). At a PTV of 15 N·cm, the RTV of the fiber tip group was (14.1±1.27) N·cm, significantly higher than that of the metal tip group (12.3±1.56) N·cm, (P < 0.05). At a PTV of 35 N·cm, the RTV of the fiber tip group was (34.0±1.29) N·cm, while that of the metal tip group was (33.1±1.70) N·cm, with no statistically significant difference between the two groups (P>0.05). Conclusion: Ultrasonic scaling can lead to significant attenuation of torque in implant prosthetic abutment screws. Under a lower primary torque condition (15 N·cm), carbon fiber scaling tips significantly reduce torque attenuation compared with traditional metal scaling tips. However, under a higher primary torque condition (35 N·cm), no significant difference in the effect on screw torque was observed between the two tip types. These findings suggest that screw torque should be checked after clinical peri-implant maintenance to reduce the risk of screw loosening.

Key words: Ultrasonic scaling, Screw loosening, Torque attenuation, Removal torque value

中图分类号: 

  • R783.6

图1

种植机测量扭矩值"

图2

洁治后螺丝扭矩衰减"

图3

纤维尖和金属尖对螺丝扭矩衰减的影响"

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ISSN 1671-167X
CN 11-4691/R
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