08 August 2024 : Clinical Research
Comprehensive Analysis of Mandibular First Molar Root and Canal Morphology in Saudi Patients Using Cone Beam Computed Tomography (CBCT)
Mey A. Al-HabibDOI: 10.12659/MSM.945364
Med Sci Monit 2024; 30:e945364
Table 1 Comparisons of permanent mandibular first molars characteristics by sex.
| Characteristic n (%) | Male (n=1104) | Female (n=977) | χ2 value | P value* |
|---|---|---|---|---|
| Number of roots | ||||
| 1 | 1 (0.09) | 1 (0.10) | 1.37 | 0.886 |
| 2 | 1060 (96.01) | 938 (96.01) | ||
| 3 | 43 (3.89) | 38 (3.89) | ||
| Number of canals | ||||
| 1 | 1 (0.09) | 0 (0.00) | 5.38 | 0.110 |
| 2 | 4 (0.36) | 10 (1.02) | ||
| 3 | 870 (78.80) | 747 (76.46) | ||
| 4 | 229 (20.74) | 220 (22.52) | ||
| χ – Chi-square test. * Fisher exact test and its value are used because Pearson chi-square is not applicable. | ||||






