口腔医学 ›› 2025, Vol. 45 ›› Issue (11): 813-818.doi: 10.13591/j.cnki.kqyx.2025.11.003

• 基础与临床研究 • 上一篇    下一篇

PAOO微创术式与传统术式促进正畸牙移动效果及生物学机制研究

刘浩1, 彭文静1, 高秋颖1, 胥加斌2, 刘刚2, 朱绍跃1()   

  1. 1 徐州医科大学附属口腔医院口腔正畸科,江苏徐州(221002)
    2 徐州医科大学附属口腔医院口腔颌面外科,江苏徐州(221002)
  • 收稿日期:2024-11-01 出版日期:2025-11-28 发布日期:2025-11-18
  • 通讯作者: 朱绍跃 E-mail:zhushaoyuegg@163.com
  • 基金资助:
    江苏省自然科学基金(BK20241040);徐州市卫生健康委青年医学科技创新项目(XWKYSL20210200);徐州市卫生健康委面上项目(XWKYHT20230042)

The study on PAOO minimally invasive versus traditional surgery in accelerating orthodontic tooth movement and its mechanisms

LIU Hao1, PENG Wenjing1, GAO Qiuying1, XU Jiabin2, LIU Gang2, ZHU Shaoyue1()   

  1. The Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou 221002, China
  • Received:2024-11-01 Online:2025-11-28 Published:2025-11-18
  • Contact: ZHU Shaoyue E-mail:zhushaoyuegg@163.com

摘要:

目的 比较翻瓣骨皮质切开与仅骨皮质切开术下牙周加速成骨正畸(PAOO)对加速正畸牙移动的影响。方法 选取健康雄性SD大鼠60只(体质量180~200 g),将大鼠随机分为对照组、翻瓣骨皮质切开组和仅骨皮质切开(非翻瓣)组各20只,正畸加力后分别在牙移动0、1、3、7 d过量麻醉处死手术组及对照组大鼠各5只,统计对照组与实验组大鼠牙移动距离,同时进行免疫组化染色观察相应分子生物学变化。结果 翻瓣骨皮质切开术与仅骨皮质切开加速正畸牙移动方面未见显著差异;相比传统正畸牙移动,翻瓣骨皮质切开术与仅骨皮质切开均可引起牙周受压力侧RANKL表达增加;翻瓣骨皮质切开术与非翻瓣骨皮质切开术均能够增加张力区组织生成面积,但两种术式之间不存在显著差异;相比传统正畸牙移动,翻瓣骨皮质切开术与仅骨皮质切开均可引起牙周受张力侧ALP、OCN、OPN表达增加,两术式间未见显著差异。结论 翻瓣骨皮质切开及仅骨皮质切开在早期加速正畸牙移动及促进牙槽骨形成方面均发挥显著作用。两种PAOO术式的骨皮质切开均能为正畸治疗提供更为高效、稳定的生物学支持。

关键词: PAOO, 骨皮质切开, 加速正畸牙移动, 骨改建

Abstract:

Objective To compare the periodontally accelerated osteogenic orthodontics(PAOO) effects of corticotomy with full mucoperiosteal flap(flapped corticotomy) and corticotomy-only on accelerating orthodontic tooth movement. Methods A total of 60 healthy male SD rats(weighing 180-200 g)were selected and randomly divided into three groups. There were 20 rats each in the flapped corticotomy group, the corticotomy-only group, and the control group. After applying orthodontic instruments, 5 rats each in the surgical group and the control group were killed by excessive anesthesia on 0, 1, 3, and 7 days after tooth movement. The tooth movement distances of the rats in the control group and the experimental group were counted, and immunohistochemical staining was performed to observe the corresponding molecular biological changes. Results There was no significant difference in accelerating orthodontic tooth movement between the flapped corticotomy group and the corticotomy-only group. Compared with traditional orthodontic tooth movement, both the flapped corticotomygroup and the corticotomy-only group could bring an increase in the expression of RANKL on the pressed periodontal side while there was no significant difference between the two experimental groups. Both the flapped corticotomy and non-flapped corticotomy could enlarge the area of tissue formation in the periodontal tension zone, and still there was no significant difference between the two surgical methods. Compared with traditional orthodontic tooth movement, both the flapped corticotomy group and the corticotomy-only group could lead to an increase in ALP, OCN and OPN expression on the periodontal tension zone. Conclusion Both flapped corticotomy and corticotomy play a significant role in accelerating orthodontic tooth movement and promoting alveolar bone formation in the early stage. Both surgical methods of PAOO can provide more efficient and stable biological support for orthodontic treatment.

Key words: PAOO, corticotomy, accelerated orthodontics, bone remodeling

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