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 2 Sex-based distribution of maxillary premolars according to number of roots.
Tooth number | Sex | N | 1 root | 2 roots | 3 roots | P |
---|---|---|---|---|---|---|
M | 139 (41.9%) | 48 (14.4%) | 87 (26.2%) | 4 (1.2%) | χ=3.694=0.296ns | |
F | 193 (58.1%) | 60 (18.1%) | 132 (39.8%) | 1 (0.3%) | ||
T | 332 (100.0%) | 108 (32.5%) | 219 (66.0%) | 5 (1.5%) | ||
M | 142 (43.8%) | 41 (12.7%) | 97 (29.9%) | 4 (1.2%) | χ=1.636=0.651ns | |
F | 182 (56.2%) | 59 (18.2%) | 121 (37.4%) | 2 (0.6%) | ||
T | 324 (100.0%) | 100 (30.9%) | 218 (67.3%) | 6 (1.8%) | ||
M | 281 (42.8%) | 89 (13.6%) | 184 (28.0%) | 8 (1.2%) | χ=4.409=0.249 | |
F | 375 (57.2%) | 119 (18.1%) | 253 (38.6%) | 3 (0.5%) | ||
T | 656 (100.0%) | 208 (31.7%) | 437 (66.6%) | 11 (1.7%) | ||
M | 142 (41.3%) | 115 (33.4%) | 26 (7.6%) | 1 (0.3%) | χ=0.0749=0.994ns | |
F | 202 (58.7%) | 163 (47.4%) | 38 (11.0%) | 1 (0.3%) | ||
T | 344 (100.0%) | 278 (80.8%) | 64 (18.6%) | 2 (0.6%) | ||
M | 137 (40.8%) | 117 (34.8%) | 18 (5.4%) | 2 (0.6%) | χ=1.736=0.629ns | |
F | 199 (59.2%) | 164 (48.8%) | 34 (10.1%) | 1 (0.3%) | ||
T | 336 (100.0%) | 281 (83.6%) | 52 (15.5%) | 3 (0.9%) | ||
M | 279 (41.0%) | 232 (34.1%) | 44 (6.5%) | 3 (0.4%) | χ=1.261=0.738ns | |
F | 401 (59.0%) | 327 (48.1%) | 72 (10.6%) | 2 (0.3%) | ||
T | 680 (100.0%) | 559 (82.2%) | 116 (17.1%) | 5 (0.7%) | ||
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; M – Males; F – Females; T – total; χ – Chi-square test; ns – non-significant with value ≤0.05. |