在闭合鼻增大后,上鼻的放射性变化
Jaret O Simonsen1, Michael P Mills1, Brian L Mealey1
1Department of Periodontics, UT Health San Antonio School of Dentistry, San Antonio, Texas, USA.
这项研究比较了2D和3D成像来评估鼻增大. 虽然这两种方法在6个月后都显示了移植物质的减少,3D成像提供了更精确的变化评估.
科学领域:
- 牙科植入物学 牙科植入物学
- 口腔和牙面部外科手术
- 放射学 放射学是一门学科.
背景情况:
- 腔鼻腔增大对于牙植入物放置至关重要,当后牙损失导致骨吸收时.
- 使用矿物化冷干燥骨头全移植的跨状鼻增大是一种常见的技术.
- 准确评估移植材料的变化对于治疗成功至关重要.
研究的目的:
- 为了比较2D (periapical) 和3D (CBCT) 图像的准确性,以检测经过跨状鼻增大后移植材料的放射和形态变化.
- 在植入后6个月评估移植物质的分布和再吸收.
主要方法:
- 通过矿物化冷干燥骨头全移植与骨密度增加协议进行了跨状鼻增大.
- 标准化周周 (PA) 放射和形光束计算机断层扫描 (CBCT) 在手术后立即和6个月后得到.
- 分析了放射图片,以评估顶端移植高度 (AGH),内鼻骨增益 (ESBG) 和升高的膜顶部 (EMA).
主要成果:
- 在6个月后,PA成像显示AGH (55.9%),ESBG (29.6%) 和EMA (8.4%) 的降低.
- 在CBCT分析中,AGH (60.4%),ESBG (32.6%) 和EMA (12.2%) 的降低略高.
- 一个配对的t测试显示,在检测移植物质变化的2D和3D模型的准确性上没有统计学上显著的差异 (p=0.2168).
结论:
- 标准化周周成像对于评估鼻移植变化来说相对准确.
- 通过CBCT,可以更精确地评估移植物质的分布和再吸收.
- 6个月后观察到显著的移植物质减少,CBCT显示出比PA成像更明显的变化.
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