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2 牙体长轴为参考体系下的牙移动与牙槽骨改建情况（Y组）

Tab 2 Tooth movement and alveolar bone remodeling in group Y based on the dental long-axis reference system

Alveolar bone level Tooth movement/mm Alveolar bone remodeling/mm B/T Ratio T11 Level 1 4.93±1.87 4.28±1.27 0.88(0.79, 1.00) Level 2 4.71±1.98 3.77±1.30 0.84(0.73, 0.92) Level 3 4.54±2.15 2.92±1.29 0.72(0.49, 0.81) T21 Level 1 5.08±1.60 4.40±1.23 0.89(0.82, 0.97) Level 2 4.94±1.69 3.79±1.03 0.81(0.65, 0.93) Level 3 5.00±1.90 3.01±1.11 0.64(0.50, 0.73)