2种参考体系下上颌前牙区牙槽骨改建特点的CBCT研究

李璐璐, 吴建勇

A cone-beam computed tomographic study comparing characteristics of maxillary anterior regional alveolar bone remodeling under two reference systems

LI Lulu, WU Jianyong

表3 归一化后G组与Y组B/T Ratio比较

Tab 3 Comparison of normalized B/T Ratio between group G and group Y

Group		M(Q₁, Q₃)	Z value	P value
T11 B/T Ratio
Level 1	Group G	0.58(0.47, 0.86)	-2.798	0.005
Level 1	Group Y	0.35(0.19, 0.56)	-2.798	0.005
Level 2	Group G	0.56(0.46, 0.62)	-4.010	0.000
Level 2	Group Y	0.28(0.21, 0.33)	-4.010	0.000
Level 3	Group G	0.81(0.70, 0.90)	-3.498	0.000
Level 3	Group Y	0.40(0.25, 0.46)	-3.498	0.000
T21 B/T Ratio
Level 1	Group G	0.43(0.28, 0.86)	-0.016	0.987
Level 1	Group Y	0.54(0.41, 0.72)	-0.016	0.987
Level 2	Group G	0.37(0.27, 0.51)	-1.977	0.048
Level 2	Group Y	0.57(0.22, 0.83)	-1.977	0.048
Level 3	Group G	0.65(0.53, 0.70)	-2.419	0.016
Level 3	Group Y	0.51(0.34, 0.62)	-2.419	0.016