下前牙皮质骨切开术联合骨增量手术对唇侧骨增量疗效评价

›› 2021, Vol. 41 ›› Issue (6): 499-502.

下前牙皮质骨切开术联合骨增量手术对唇侧骨增量疗效评价

孙梦君¹,周可聪²,夏一如²,孙文韬³,束蓉⁴,谢玉峰²

1. 上海交通大学医学院第九人民医院
2. 上海交通大学医学院附属第九人民医院牙周科
3. 上海交通大学医学院附属第九人民医院
4. 上海交通大学附属第九人民医院

收稿日期:2020-12-10 修回日期:2021-02-01 出版日期:2021-06-28 发布日期:2021-06-25
通讯作者: 谢玉峰 E-mail:yufengxie_123@163.com
基金资助:
国家自然科学基金重大项目;口腔医学重点核心口腔颌面组织再生与功能修复创新团队;九院临床研究助力计划;九院基础研究助推计划

Evaluation of the effect of corticotomy combined with bone augmentation surgery in the mandibular anterior teeth on labial bone augmentation

Received:2020-12-10 Revised:2021-02-01 Online:2021-06-28 Published:2021-06-25

摘要/Abstract

摘要： 目的　评价下前牙骨皮质切开术联合骨增量手术对唇侧牙槽骨增量的效果。方法　回顾下前牙行骨皮质切开术联合骨增量手术患者术前、术后3个月和术后1年的锥形束CT（cone-beam computed tomography，CBCT），测量牙根长度、釉牙骨质界（cemento-enamel junction，CEJ）到牙槽嵴顶的距离以及距离CEJ 7 mm和9 mm处唇侧牙槽骨厚度，比较三个时间点各项指标的差异。结果　该手术对牙根长度无显著影响（P>0.05）；与术前相比，术后3个月和术后1年牙槽嵴顶到CEJ的距离显著减少（P<0.05）；术后1年牙槽嵴顶到CEJ的距离较术后3个月明显增加（P<0.05）；总体与术前相比，术后3个月和术后1年距离CEJ 7 mm和9 mm处唇侧牙槽骨的厚度均显著增加（P<0.05）。结论　骨皮质切开术联合骨增量手术对下前牙唇侧牙槽骨厚度的增加具有显著效果，对于下前牙正畸治疗有重要的临床意义。

关键词: 牙周组织再生结合骨皮质切开术, 骨增量, CBCT

Abstract: Objective: Review the cone-beam computed tomography (CBCT) of patients undergoing periodontal corticotomy regenerative surgery (PCRS) in the mandibular anterior teeth before the operation, 3 months after the operation and 1 year after the operation to evaluate the effect of surgery on the increase of the labial alveolar bone. Methods: Review the CBCT of patients undergoing PCRS in the mandibular anterior teeth before operation, 3 months after operation and 1 year after operation. Measure the root length, the distance between the cemento-enamel junction (CEJ) and the alveolar crest and the thickness of labial alveolar bone at the points which 4mm, 7mm and 9mm away from CEJ and compare the differences of each index at the three time points. Results: PCRS of the mandibular anterior teeth had no significant effect on root length (p> 0.05). Compared with preoperative, the distance from alveolar crest to CEJ was significantly reduced at 3 months and 1 year after operation (p< 0.05) and the distance from the alveolar ridge crest to CEJ increased at 1 year after surgery compared with 3 months after surgery (p< 0.05). Compared with preoperative, the thickness of labial alveolar bone increased significantly at the points which 4mm, 7mm and 9mm away from CEJ at 3 months and 1 year after surgery (p< 0.05). Conclusion: PCRS has a significant effect on the increase of alveolar bone thickness on the labial side of the mandibular anterior teeth, and has important clinical significance for orthodontic treatment of the mandibular anterior teeth.

Key words: Key words: Periodontal corticotomy regenerative surgery, bone augmentation, CBCT

孙梦君周可聪夏一如孙文韬束蓉谢玉峰. 下前牙皮质骨切开术联合骨增量手术对唇侧骨增量疗效评价 [J]. 口腔医学, 2021, 41(6): 499-502.

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