在III类骨患者中,对中面骨形状不对称的空间密度三维分析
Guangpu Zhao1, Xinyu Su1, Aonan Wen2
1Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, No. 22, Zhongguancun South Avenue, Haidian District, Beijing, 100081, PR China.
骨III类患者具有特定的偏差,表现出更大的中面不对称. 根据3D分析,膜过程是这些患者中最不对称的区域.
科学领域:
- 矯正牙醫和牙臉整形醫學
- 头骨和面部外科手术
- 医学成像分析 医学成像分析
背景情况:
- 骨III类恶性闭塞在诊断和治疗方面存在独特的挑战.
- 面部中部骨不对称是III类患者的常见特征.
- 准确评估不对称性对于有效的治疗计划至关重要.
研究的目的:
- 在III类骨患者中量化和视觉分析中脸部骨形状不对称.
- 为了研究闭塞平面倾斜和下侧侧偏差对中脸不对称性的影响.
- 为了确定最受不对称性影响的中间面的特定区域.
主要方法:
- 采用三维 (3D) 空间密度方法进行不对称分析.
- 招募了60名III类骨患者,按封闭平面倾斜 (OPI) 和下侧偏差 (MD) 分类.
- 采用圆束计算机断层扫描 (CBCT) 图像和先进的模板注册用于地标识别和不对称指数 (AI) 计算.
主要成果:
- 整体中位面部骨架AI的中位数为1.55 (OPI和MD),1.27 (仅MD) 和1.19 (没有).
- 第1组 (具有OPI和MD) 与其他组相比 (P <.05和P <.01) 的整体AI显著更高.
- 膜过程显示了第1组内最高的AI,表明它是主要的不对称位点.
结论:
- 三维空间密度方法提供了对中面骨不对称性的强有力的定量和视觉评估.
- 有OPI和MD的骨III类患者表现出明显增加的面部中部不对称.
- 气囊过程被确定为这些患者中面骨中不对称的主要部位.
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