Table 2.
Descriptive statistics and 95% CIs for crown measurements (mm) in the mandible, compared between the sexes (using the t-test).
Side | Dimension | Tooth | Sex | N | Mean | SD | 95% CI | Min | Max | P | |
---|---|---|---|---|---|---|---|---|---|---|---|
Right | Buccolingual | 1 | Female | 255 | 6.243 | 0.489 | 6.18 | 6.30 | 4.50 | 8.02 | 0.104 |
Male | 73 | 6.352 | 0.546 | 6.22 | 6.48 | 4.95 | 7.63 | ||||
Total | 328 | 6.267 | 0.503 | 6.21 | 6.32 | 4.50 | 8.02 | ||||
2 | Female | 255 | 6.511 | 0.487 | 6.45 | 6.57 | 5.26 | 8.33 | 0.078 | ||
Male | 74 | 6.634 | 0.651 | 6.48 | 6.78 | 4.79 | 7.89 | ||||
Total | 329 | 6.539 | 0.530 | 6.48 | 6.60 | 4.79 | 8.33 | ||||
3 | Female | 256 | 7.398 | 0.589 | 7.33 | 7.47 | 5.63 | 8.75 | <0.0005 | ||
Male | 73 | 7.783 | 0.799 | 7.60 | 7.97 | 5.80 | 9.65 | ||||
Total | 329 | 7.483 | 0.660 | 7.41 | 7.55 | 5.63 | 9.65 | ||||
4 | Female | 253 | 7.956 | 0.587 | 7.88 | 8.03 | 6.00 | 9.50 | <0.0005 | ||
Male | 73 | 8.258 | 0.660 | 8.10 | 8.41 | 7.05 | 9.97 | ||||
Total | 326 | 8.024 | 0.616 | 7.96 | 8.09 | 6.00 | 9.97 | ||||
5 | Female | 250 | 8.700 | 0.585 | 8.63 | 8.77 | 6.44 | 11.18 | 0.085 | ||
Male | 69 | 8.841 | 0.651 | 8.68 | 9.00 | 7.60 | 9.96 | ||||
Total | 319 | 8.731 | 0.601 | 8.66 | 8.80 | 6.44 | 11.18 | ||||
6 | Female | 254 | 10.704 | 0.530 | 10.64 | 10.77 | 8.80 | 12.22 | 0.002 | ||
Male | 72 | 10.928 | 0.610 | 10.78 | 11.07 | 9.74 | 12.56 | ||||
Total | 326 | 10.753 | 0.556 | 10.69 | 10.81 | 8.80 | 12.56 | ||||
7 | Female | 255 | 10.509 | 0.635 | 10.43 | 10.59 | 8.56 | 12.29 | <0.0005 | ||
Male | 71 | 10.822 | 0.608 | 10.68 | 10.97 | 9.36 | 12.19 | ||||
Total | 326 | 10.577 | 0.641 | 10.51 | 10.65 | 8.56 | 12.29 | ||||
Mesiodistal | 1 | Female | 257 | 5.380 | 0.445 | 5.33 | 5.43 | 4.08 | 6.80 | 0.377 | |
Male | 73 | 5.431 | 0.391 | 5.34 | 5.52 | 4.51 | 6.32 | ||||
Total | 330 | 5.391 | 0.433 | 5.34 | 5.44 | 4.08 | 6.80 | ||||
2 | Female | 255 | 5.913 | 0.424 | 5.86 | 5.96 | 4.62 | 7.22 | 0.023 | ||
Male | 74 | 6.041 | 0.430 | 5.94 | 6.14 | 5.33 | 7.18 | ||||
Total | 329 | 5.941 | 0.428 | 5.90 | 5.99 | 4.62 | 7.22 | ||||
3 | Female | 257 | 6.599 | 0.476 | 6.54 | 6.66 | 5.17 | 8.78 | <0.0005 | ||
Male | 73 | 6.941 | 0.458 | 6.83 | 7.05 | 5.74 | 8.02 | ||||
Total | 330 | 6.674 | 0.493 | 6.62 | 6.73 | 5.17 | 8.78 | ||||
4 | Female | 253 | 7.038 | 0.497 | 6.98 | 7.10 | 5.32 | 8.87 | 0.106 | ||
Male | 73 | 7.144 | 0.482 | 7.03 | 7.26 | 5.73 | 8.26 | ||||
Total | 326 | 7.061 | 0.495 | 7.01 | 7.12 | 5.32 | 8.87 | ||||
5 | Female | 250 | 7.051 | 0.550 | 6.98 | 7.12 | 5.86 | 9.40 | 0.078 | ||
Male | 69 | 7.184 | 0.557 | 7.05 | 7.32 | 5.86 | 8.38 | ||||
Total | 319 | 7.080 | 0.553 | 7.02 | 7.14 | 5.86 | 9.40 | ||||
6 | Female | 254 | 10.782 | 0.699 | 10.70 | 10.87 | 8.60 | 12.82 | 0.017 | ||
Male | 72 | 11.009 | 0.747 | 10.83 | 11.18 | 9.13 | 13.05 | ||||
Total | 326 | 10.832 | 0.715 | 10.75 | 10.91 | 8.60 | 13.05 | ||||
7 | Female | 255 | 10.226 | 0.676 | 10.14 | 10.31 | 8.20 | 12.42 | <0.0005 | ||
Male | 71 | 10.554 | 0.697 | 10.39 | 10.72 | 8.94 | 12.45 | ||||
Total | 326 | 10.297 | 0.693 | 10.22 | 10.37 | 8.20 | 12.45 | ||||
| |||||||||||
Left | Buccolingual | 1 | Female | 255 | 6.224 | 0.491 | 6.16 | 6.28 | 4.83 | 7.77 | 0.036 |
Male | 74 | 6.364 | 0.548 | 6.24 | 6.49 | 4.57 | 7.70 | ||||
Total | 329 | 6.256 | 0.507 | 6.20 | 6.31 | 4.57 | 7.77 | ||||
2 | Female | 256 | 6.487 | 0.544 | 6.42 | 6.55 | 4.88 | 8.20 | 0.081 | ||
Male | 74 | 6.611 | 0.501 | 6.49 | 6.73 | 5.29 | 8.04 | ||||
Total | 330 | 6.515 | 0.536 | 6.46 | 6.57 | 4.88 | 8.20 | ||||
3 | Female | 257 | 7.424 | 0.604 | 7.35 | 7.50 | 5.53 | 9.10 | <0.0005 | ||
Male | 74 | 7.795 | 0.760 | 7.62 | 7.97 | 6.15 | 9.20 | ||||
Total | 331 | 7.507 | 0.659 | 7.44 | 7.58 | 5.53 | 9.20 | ||||
4 | Female | 254 | 7.972 | 0.573 | 7.90 | 8.04 | 6.16 | 9.48 | <0.0005 | ||
Male | 73 | 8.274 | 0.652 | 8.12 | 8.43 | 6.56 | 9.62 | ||||
Total | 327 | 8.040 | 0.604 | 7.97 | 8.11 | 6.16 | 9.62 | ||||
5 | Female | 250 | 8.699 | 0.575 | 8.63 | 8.77 | 6.56 | 10.78 | 0.048 | ||
Male | 71 | 8.860 | 0.682 | 8.70 | 9.02 | 6.73 | 9.96 | ||||
Total | 321 | 8.735 | 0.603 | 8.67 | 8.80 | 6.56 | 10.78 | ||||
6 | Female | 250 | 10.707 | 0.558 | 10.64 | 10.78 | 8.83 | 12.23 | 0.020 | ||
Male | 73 | 10.887 | 0.643 | 10.74 | 11.04 | 9.74 | 12.67 | ||||
Total | 323 | 10.748 | 0.582 | 10.68 | 10.81 | 8.83 | 12.67 | ||||
7 | Female | 255 | 10.492 | 0.625 | 10.41 | 10.57 | 8.56 | 12.05 | 0.004 | ||
Male | 70 | 10.735 | 0.627 | 10.59 | 10.88 | 9.31 | 12.17 | ||||
Total | 325 | 10.544 | 0.632 | 10.48 | 10.61 | 8.56 | 12.17 | ||||
Mesiodistal | 1 | Female | 257 | 5.397 | 0.425 | 5.35 | 5.45 | 4.09 | 6.59 | 0.202 | |
Male | 74 | 5.468 | 0.388 | 5.38 | 5.56 | 4.20 | 6.39 | ||||
Total | 331 | 5.413 | 0.417 | 5.37 | 5.46 | 4.09 | 6.59 | ||||
2 | Female | 256 | 5.954 | 0.449 | 5.90 | 6.01 | 4.38 | 7.21 | 0.149 | ||
Male | 74 | 6.040 | 0.465 | 5.93 | 6.15 | 4.87 | 6.98 | ||||
Total | 330 | 5.973 | 0.454 | 5.92 | 6.02 | 4.38 | 7.21 | ||||
3 | Female | 257 | 6.651 | 0.457 | 6.59 | 6.71 | 5.44 | 9.66 | <0.0005 | ||
Male | 74 | 6.901 | 0.488 | 6.79 | 7.01 | 5.70 | 7.85 | ||||
Total | 331 | 6.707 | 0.475 | 6.66 | 6.76 | 5.44 | 9.66 | ||||
4 | Female | 254 | 7.031 | 0.532 | 6.96 | 7.10 | 5.17 | 8.88 | 0.048 | ||
Male | 73 | 7.166 | 0.443 | 7.06 | 7.27 | 6.15 | 8.26 | ||||
Total | 327 | 7.061 | 0.516 | 7.00 | 7.12 | 5.17 | 8.88 | ||||
5 | Female | 251 | 7.130 | 0.595 | 7.06 | 7.20 | 5.82 | 10.75 | 0.185 | ||
Male | 72 | 7.234 | 0.559 | 7.10 | 7.37 | 6.22 | 8.96 | ||||
Total | 323 | 7.153 | 0.588 | 7.09 | 7.22 | 5.82 | 10.75 | ||||
6 | Female | 250 | 10.795 | 0.704 | 10.71 | 10.88 | 6.84 | 12.65 | 0.009 | ||
Male | 73 | 11.040 | 0.685 | 10.88 | 11.20 | 9.35 | 12.92 | ||||
Total | 323 | 10.851 | 0.706 | 10.77 | 10.93 | 6.84 | 12.92 | ||||
7 | Female | 255 | 10.239 | 0.703 | 10.15 | 10.33 | 8.44 | 12.28 | 0.003 | ||
Male | 70 | 10.514 | 0.608 | 10.37 | 10.66 | 9.02 | 11.78 | ||||
Total | 325 | 10.298 | 0.692 | 10.22 | 10.37 | 8.44 | 12.28 |
Tooth numbers 1 to 7 indicate the most anterior to the most posterior teeth. SD: standard deviation; CI: confidence interval; Min: minimum; Max: maximum.