22 December 2021>: Clinical Research
Permanent Maxillary Odontometrics for Sex Estimation Based on a 3-Dimensional Digital Method
Jialin Liu 1E* , Yanshi Liu 2A* , Jian Wang 3C , Shupeng Ge 1D , Yangyang Zhang 4F , Xiaohe Wang 4B , Lijuan Du 5B , Huiyu He 1G*DOI: 10.12659/MSM.933450
Med Sci Monit 2021; 27:e933450
Table 3 Comparison of crown indices between men and women.
Teeth | Variables | Group | Number (n) | Mean (mm) | SD (mm) | 95% Confidence interval | t-value | p-value | |
---|---|---|---|---|---|---|---|---|---|
Lower | Upper | ||||||||
11 | CA | Male | 104 | 51.022 | 7.863 | 49.493 | 52.552 | 1.682 | 0.094 |
Female | 100 | 49.273 | 6.942 | 47.895 | 50.650 | ||||
CI | Male | 104 | 69.410 | 6.808 | 68.086 | 70.734 | −1.703 | 0.090 | |
Female | 100 | 70.876 | 5.433 | 69.798 | 71.954 | ||||
CM | Male | 104 | 7.250 | 0.510 | 7.151 | 7.349 | 1.995 | 0.047 | |
Female | 100 | 7.113 | 0.471 | 7.019 | 7.206 | ||||
12 | CA | Male | 104 | 38.258 | 6.731 | 36.949 | 39.567 | 1.657 | 0.099 |
Female | 100 | 36.924 | 4.602 | 36.011 | 37.838 | ||||
CI | Male | 104 | 77.959 | 8.075 | 76.389 | 79.530 | −1.148 | 0.252 | |
Female | 100 | 79.144 | 6.623 | 77.830 | 80.459 | ||||
CM | Male | 104 | 6.220 | 0.512 | 6.120 | 6.320 | 1.724 | 0.086 | |
Female | 100 | 6.112 | 0.373 | 6.038 | 6.186 | ||||
13 | CA | Male | 104 | 56.232 | 7.047 | 54.862 | 57.603 | 4.365 | |
Female | 100 | 52.154 | 6.258 | 50.912 | 53.395 | ||||
CI | Male | 104 | 91.184 | 7.446 | 89.736 | 92.632 | −0.686 | 0.493 | |
Female | 100 | 91.898 | 7.415 | 90.427 | 93.370 | ||||
CM | Male | 104 | 7.498 | 0.463 | 7.408 | 7.588 | 4.487 | ||
Female | 100 | 7.222 | 0.414 | 7.140 | 7.304 | ||||
MCI | Male | 104 | 0.215 | 0.013 | 0.212 | 0.217 | 2.331 | 0.021 | |
Female | 100 | 0.210 | 0.013 | 0.208 | 0.213 | ||||
14 | CA | Male | 104 | 66.855 | 8.643 | 65.174 | 68.535 | 4.533 | |
Female | 100 | 61.815 | 7.195 | 60.388 | 63.243 | ||||
CI | Male | 104 | 135.129 | 6.058 | 132.948 | 137.121 | −0.658 | 0.511 | |
Female | 100 | 135.943 | 10.995 | 134.765 | 137.311 | ||||
CM | Male | 104 | 8.258 | 0.536 | 8.153 | 8.362 | 4.355 | ||
Female | 100 | 7.945 | 0.488 | 7.848 | 8.042 | ||||
15 | CA | Male | 104 | 62.142 | 7.569 | 60.670 | 63.614 | 3.728 | |
Female | 100 | 58.529 | 6.233 | 57.292 | 59.766 | ||||
CI | Male | 104 | 137.948 | 7.368 | 136.515 | 139.381 | −2.096 | 0.037 | |
Female | 100 | 140.516 | 9.980 | 138.535 | 142.496 | ||||
CM | Male | 104 | 7.972 | 0.478 | 7.879 | 8.065 | 3.454 | 0.001 | |
Female | 100 | 7.754 | 0.421 | 7.671 | 7.838 | ||||
16 | CA | Male | 104 | 108.376 | 11.090 | 106.219 | 110.533 | 4.620 | |
Female | 100 | 101.834 | 9.069 | 100.035 | 103.634 | ||||
CI | Male | 104 | 97.826 | 4.594 | 96.932 | 98.719 | −2.300 | 0.022 | |
Female | 100 | 99.262 | 4.315 | 98.406 | 100.118 | ||||
CM | Male | 104 | 10.400 | 0.533 | 10.297 | 10.504 | 4.570 | ||
Female | 100 | 10.084 | 0.451 | 9.994 | 10.173 | ||||
17 | CA | Male | 104 | 98.524 | 9.531 | 96.671 | 100.378 | 3.304 | 0.001 |
Female | 100 | 94.135 | 9.435 | 92.263 | 96.007 | ||||
CI | Male | 104 | 111.785 | 8.965 | 110.041 | 113.528 | −0.321 | 0.748 | |
Female | 100 | 112.108 | 4.879 | 111.140 | 113.076 | ||||
CM | Male | 104 | 9.937 | 0.476 | 9.844 | 10.029 | 3.388 | 0.001 | |
Female | 100 | 9.708 | 0.489 | 9.611 | 9.805 | ||||
21 | CA | Male | 104 | 50.785 | 7.739 | 49.280 | 52.290 | 0.876 | 0.382 |
Female | 100 | 49.846 | 7.571 | 48.344 | 51.348 | ||||
CI | Male | 104 | 68.705 | 6.277 | 67.485 | 69.926 | −3.168 | 0.002 | |
Female | 100 | 71.384 | 5.776 | 70.238 | 72.530 | ||||
CM | Male | 104 | 7.240 | 0.500 | 7.143 | 7.337 | 1.323 | 0.187 | |
Female | 100 | 7.147 | 0.504 | 7.047 | 7.247 | ||||
22 | CA | Male | 104 | 38.734 | 6.070 | 37.553 | 39.914 | 1.918 | 0.057 |
Female | 100 | 37.251 | 4.886 | 36.281 | 38.220 | ||||
CI | Male | 104 | 78.288 | 7.603 | 76.809 | 79.766 | −1.801 | 0.073 | |
Female | 100 | 80.053 | 6.312 | 78.801 | 81.306 | ||||
CM | Male | 104 | 6.260 | 0.472 | 6.168 | 6.351 | 2.066 | 0.040 | |
Female | 100 | 6.133 | 0.397 | 6.055 | 6.212 | ||||
23 | CA | Male | 104 | 55.304 | 7.277 | 53.889 | 56.720 | 3.143 | 0.002 |
Female | 100 | 52.269 | 6.509 | 50.977 | 53.560 | ||||
CI | Male | 104 | 89.570 | 7.113 | 88.187 | 90.954 | −2.555 | 0.011 | |
Female | 100 | 92.114 | 7.107 | 90.704 | 93.524 | ||||
CM | Male | 104 | 7.438 | 0.479 | 7.345 | 7.531 | 4.404 | ||
Female | 100 | 7.159 | 0.425 | 7.074 | 7.243 | ||||
MCI | Male | 104 | 0.215 | 0.013 | 0.212 | 0.217 | 2.453 | 0.015 | |
Female | 100 | 0.210 | 0.013 | 0.208 | 0.213 | ||||
24 | CA | Male | 104 | 67.104 | 8.281 | 65.493 | 68.714 | 3.949 | |
Female | 100 | 62.918 | 6.747 | 61.579 | 64.256 | ||||
CI | Male | 104 | 134.084 | 6.604 | 132.799 | 135.368 | −2.584 | 0.010 | |
Female | 100 | 136.491 | 6.702 | 135.161 | 137.820 | ||||
CM | Male | 104 | 8.266 | 0.510 | 8.167 | 8.365 | 3.730 | ||
Female | 100 | 8.018 | 0.435 | 7.932 | 8.105 | ||||
25 | CA | Male | 104 | 62.178 | 7.068 | 60.804 | 63.553 | 3.820 | |
Female | 100 | 58.585 | 6.328 | 57.330 | 59.841 | ||||
CI | Male | 104 | 137.516 | 7.139 | 136.127 | 138.904 | −2.287 | 0.023 | |
Female | 100 | 140.033 | 8.542 | 138.338 | 141.728 | ||||
CM | Male | 104 | 7.975 | 0.446 | 7.888 | 8.061 | 3.637 | ||
Female | 100 | 7.755 | 0.417 | 7.672 | 7.837 | ||||
26 | CA | Male | 104 | 109.999 | 11.681 | 107.728 | 112.271 | 4.626 | |
Female | 100 | 103.291 | 8.892 | 101.527 | 105.055 | ||||
CI | Male | 104 | 99.015 | 4.548 | 98.131 | 99.900 | −2.649 | 0.009 | |
Female | 100 | 100.734 | 4.719 | 99.797 | 101.670 | ||||
CM | Male | 104 | 10.476 | 0.559 | 10.368 | 10.585 | 4.549 | ||
Female | 100 | 10.157 | 0.440 | 10.069 | 10.244 | ||||
27 | CA | Male | 104 | 98.378 | 10.253 | 96.384 | 100.372 | 3.084 | 0.002 |
Female | 100 | 94.017 | 9.930 | 92.047 | 95.987 | ||||
CI | Male | 104 | 109.944 | 7.140 | 108.555 | 111.332 | −0.019 | 0.985 | |
Female | 100 | 109.961 | 5.860 | 108.799 | 111.124 | ||||
CM | Male | 104 | 9.921 | 0.522 | 9.820 | 10.023 | 3.096 | 0.002 | |
Female | 100 | 9.697 | 0.511 | 9.596 | 9.799 | ||||
11 – the right central incisor; 12 – the right lateral incisor; 13 – the right canine; 14 – the right first premolar; 15 – the right second premolar; 16 – the right first molar; 17 – the right second molar; 21 – the left central incisor; 22 – the left lateral incisor; 23 – the left canine; 24 – the left first premolar; 25 – the left second premolar; 26 – the left first molar; 27 – the left second molar; CA – crown area; CI – crown index; CM – crown module; MCI – maxillary canine index; SD – standard deviation. |