15 March 2024: Database Analysis
Evaluating the Internal Anatomy of Maxillary Premolars in an Adult Saudi Subpopulation Using 2 Classifications: A CBCT-Based Retrospective Study
Mubashir Baig Mirza ABCDEFG*DOI: 10.12659/MSM.943455
Med Sci Monit 2024; 30:e943455
Table 1 Distribution of maxillary premolars according to number of roots.
| Tooth number | 1 root | 2 roots | 3 roots | P |
|---|---|---|---|---|
| 108 (32.5%) | 219 (66.0%) | 5 (1.5%) | χ=0.303=0.859ns | |
| 100 (30.9%) | 218 (67.3%) | 6 (1.8%) | ||
| 208 (31.7%) | 437 (66.61%) | 11 (1.67%) | ||
| 278 (80.8%) | 64 (18.6%) | 2 (0.6%) | χ=1.505=0.471ns | |
| 287 (85.4%) | 48 (14.3%) | 1 (0.3%) | ||
| 565 (83.08%) | 112 (16.47%) | 3 (0.44%) | ||
| Tooth number – FDI tooth numbering system; 14, Maxillary right first premolar (MFP), 24, Maxillary left first premolar (MFP), 15, Maxillary right second premolar (MSP), 25, Maxillary left second premolar; n – total number of teeth; χ – Chi-square test; ns – non-significant with value ≤0.05. | ||||