18 August 2020>: Clinical Research
Root Anatomy and Root Canal Morphology of Maxillary Second Permanent Molars in a Chongqing Population: A Cone-Beam Computed Tomography Study
Yu Xia 123CDEF , Xin Qiao 123BC , Ya-jing Huang 123CD , Yue-heng Li 123AE* , Zhi Zhou 123AGDOI: 10.12659/MSM.922794
Med Sci Monit 2020; 26:e922794
Table 3 Rates of root fusion.
Left side (n/%) | Right side (n/%) | χ2 | P | Male (n/%) | Female (n/%) | χ2 | P | Total (n/%) | |
---|---|---|---|---|---|---|---|---|---|
Fused roots | 64 (32.00%) | 62 (31.00%) | 0.046 | 0.830 | 46 (26.74%) | 80 (35.09%) | 3.163 | 0.075 | 126 (31.50%) |
Nonfused roots | 136 (68.00%) | 138 (69.00%) | 126 (73.26%) | 148 (64.91%) | 274 (68.50%) | ||||
Total | 200 (100%) | 200 (100%) | – | – | 172 (100%) | 228 (100%) | – | – | 400 (100%) |