光学相干断层扫描评估微种植钉植入角度对皮质骨微损伤的影响

doi:10.13701/j.cnki.kqyxyj.2025.07.012

口腔医学研究 ›› 2025, Vol. 41 ›› Issue (7): 615-621.DOI: 10.13701/j.cnki.kqyxyj.2025.07.012

光学相干断层扫描评估微种植钉植入角度对皮质骨微损伤的影响

解伟华¹, 万茜², 姜莉萍¹, 胡承琼¹, 巢奇文¹, 唐镇^1*

1.南昌大学附属口腔医院正畸一科口腔疾病江西省重点实验室江西省口腔疾病临床医学研究中心江西南昌 330006;
2.江西省第五人民医院江西南昌 330002

收稿日期:2025-02-07 出版日期:2025-07-28 发布日期:2025-07-24
通讯作者: ^*唐镇,E-mail:tangzhen307@aliyun.com
作者简介:解伟华(1998~ ),男,江西吉安人,硕士,住院医师,研究方向:口腔正畸学。
基金资助:
江西省卫生健康委科技计划(编号:202211276)

Optical Coherence Tomography Evaluation on Impact of Implantation Angle of Micro Implants on Cortical Bone Micro Damage

XIE Weihua¹, WAN Qian², JIANG Liping¹, HU Chengqiong¹, CHAO Qiwen¹, TANG Zhen^1*

1. Department of Orthodontic 1, The Affiliated Stomatological Hospital, Jiangxi Medical College, Nanchang University & Jiangxi Provincial Key Laboratory of Oral Diseases & Jiangxi Provincial Clinical Research Center for Oral Diseases, Nanchang 330006, China;
2. The Fifth People's Hospital of Jiangxi Province, Nanchang 330002, China

Received:2025-02-07 Online:2025-07-28 Published:2025-07-24

摘要/Abstract

摘要： 目的: 采用光学相干断层扫描(optical coherence tomography,OCT)系统比较不同角度植入微种植钉后皮质骨的微损伤,探索不同植入角度对皮质骨的影响及口腔组织无损检测方法。方法: 48枚微种植钉按植入角度分组A1(30°)、A2(45°)、A3(90°),每组16枚,随机植入牛肋骨,获取OCT和微计算机断层扫描(micro computed tomography,Micro CT)图像进行定量与定性分析。结果: 微损伤主要为微裂纹、微抬高、骨碎片。A1组微损伤最重,A2组次之,A3组最轻。OCT成像对比度优于Micro CT,能更清晰识别微损伤。结论: 微种植钉周围骨质的微损伤随植入角度的增大而减小。OCT可用于口腔组织无损检测,有椅旁检测的潜力。

关键词: 光学相干断层扫描, 微种植钉, 植入角度, 微损伤

Abstract: Objective: To evaluate cortical bone micro damage resulting from micro-implant placement at different angles through optical coherence tomography (OCT), and to invest the impact of insertion angles on cortical bone integrity and the potential method to non-invasive oral tissue examination. Methods: Forty-eight micro-implants were randomly inserted into bovine ribs and categorized into three groups based on insertion angles: A1 (30°), A2 (45°), and A3 (90°), with 16 implants per group. Both OCT and Micro CT imaging were utilized for qualitative and quantitative analyses. Results: The observed micro damage primarily manifested as microcracks, micro-elevation, and bone fragments. Group A1 exhibited the most severe micro damage, followed by Group A2, while Group A3 showed the least damage. OCT imaging demonstrated superior contrast compared to Micro CT, enabling clearer identification of micro damage patterns. Conclusion: Micro damage in peri-implant bone diminishes with greater insertion angles. Furthermore, OCT shows promise as a non-invasive diagnostic tool for oral tissue examination, with potential applications in chairside detection.

Key words: optical coherence tomography, micro implants, implantation angle, micro damage

解伟华, 万茜, 姜莉萍, 胡承琼, 巢奇文, 唐镇. 光学相干断层扫描评估微种植钉植入角度对皮质骨微损伤的影响[J]. 口腔医学研究, 2025, 41(7): 615-621.

XIE Weihua, WAN Qian, JIANG Liping, HU Chengqiong, CHAO Qiwen, TANG Zhen. Optical Coherence Tomography Evaluation on Impact of Implantation Angle of Micro Implants on Cortical Bone Micro Damage[J]. Journal of Oral Science Research, 2025, 41(7): 615-621.

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光学相干断层扫描评估微种植钉植入角度对皮质骨微损伤的影响

Optical Coherence Tomography Evaluation on Impact of Implantation Angle of Micro Implants on Cortical Bone Micro Damage

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