多层螺旋CT与MRI在颌面部软组织测量中的应用

The application of multi-slice CT and MRI on maxillofacial region soft tissue measurement

目的:探讨多层螺旋CT与MRI在颌面部软组织测量中的应用价值。方法:12例口腔颌面正畸病例,行X线头影摄片、多层螺旋CT和MRI检查,分别测量颌面部软组织角度参数与软组织线距参数,采用SPSS11.0软件包对数据进行方差分析。结果:X线头影摄片、多层螺旋CT与MRI测量颌面部软组织角度参数与软组织线距参数测量值间无显著差异(P>0.05),MRI在显示颌面部软组织层次、结构上具有优势,螺旋CT在同时显示颌面部硬、软组织结构上具有优势。结论:螺旋CT与MRI在颌面部软组织测量中都有较高的实用价值;MRI在颌面部软组织测量上优于螺旋CT与X线测量。

PURPOSE：To evaluate the value of multi-slice CT and MRI on maxillofacial region soft tissue measurement.METHODS：A total of 12 cases of dentofacial orthodontic underwent X-ray photograph, multi-slice CT and MRI scanning.The angle and distance of maxillofacial region soft tissue were measured respectively.All data were analyzed statistically for ANOVA with SPSS11.0 software package.RESULTS：There was no significant difference among the three measurement methods：X-ray photograph, multi-slice CT and MRI（P〉0.05）.MRI had advantages on depicting hierarchical structure of maxillofacial region, especially soft tissues, while multi-slice CT had advantages on depicting structure of maxillofacial region, both hard and soft tissues.CONCLUSIONS：Multi-slice CT and MRI are useful on maxillofacial region soft tissues measurement.MRI is superior to multi-slice CT and X-ray photograph on maxillofacial region soft tissue measurement.