在鼻腔增大患者的上第一个损失后,相邻的牙迁移:回顾性研究
Feiya Zhao1, Lei Shi1, Yilun Huang1
1Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
Clinical implant dentistry and related research
|July 27, 2023
概括
与缺少的牙相邻的上牙移居到空隙中. 诸如失去闭口接触和顶端牙周炎等因素加快了这种牙迁移,影响了治疗计划.
科学领域:
- 牙科植入物学 牙科植入物学
- 在口腔外科手术.
- 矯正牙科 矯正牙科是一種矯正牙科.
背景情况:
- 上后单一牙损失可能导致邻近的牙迁移.
- 了解迁移模式对于成功的骨增强和植入物放置至关重要.
研究的目的:
- 为了量化牙移动在上后部地区在 Extraction 后.
- 确定影响对抗和远端牙迁移的因素.
主要方法:
- 分析了143名大第一个大损失患者的圆束计算机断层扫描 (CBCT) 数据.
- 创建并叠加3D牙模型以测量迁移距离和速率.
- 多变量通用估计方程 (GEE) 用于识别相关因素.
主要成果:
- 观察到对抗性 (封闭性) 和远距离 (月经性) 牙的显著迁移.
- 对抗性牙的平均迁移距离为208微米,远端牙的平均迁移距离为403微米.
- 闭口接触损失和慢性顶部牙周炎加速了对抗性牙迁移;慢性顶部牙周炎也加速了远部牙迁移.
结论:
- 尾后部的邻近牙往往会迁移到没有牙的空间.
- 缺口接触损失和慢性牙牙周炎是加速牙迁移的关键风险因素.
- 受影响的第三牙和根部与鼻的距离也可能影响远端牙的移位.
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