Buccolingual and Mesiodistal Dimensions of the Permanent Teeth, Their Diagnostic Value for Sex Identification, and Bolton Indices
Table 1
Descriptive statistics and 95% CIs for the mesiodistal and buccolingual widths (mm) in the right and left sides of the maxilla in males versus females (compared using the -test).
Side
Dimension
Tooth
Sex
Mean
SD
95% CI
Min
Max
Right
Buccolingual
1
Female
257
7.369
0.584
7.30
7.44
5.61
9.22
0.044
Male
73
7.522
0.520
7.40
7.64
6.34
8.88
Total
330
7.403
0.573
7.34
7.47
5.61
9.22
2
Female
250
6.536
0.644
6.46
6.62
4.47
8.15
0.003
Male
72
6.812
0.816
6.62
7.00
4.22
9.91
Total
322
6.598
0.694
6.52
6.67
4.22
9.91
3
Female
253
8.178
0.647
8.10
8.26
5.65
9.65
<0.0005
Male
73
8.497
0.751
8.32
8.67
6.36
9.88
Total
326
8.250
0.683
8.18
8.32
5.65
9.88
4
Female
248
9.302
0.642
9.22
9.38
6.62
10.87
0.031
Male
72
9.488
0.624
9.34
9.63
7.79
10.85
Total
320
9.344
0.642
9.27
9.41
6.62
10.87
5
Female
254
9.450
0.644
9.37
9.53
6.16
10.94
0.047
Male
73
9.622
0.657
9.47
9.77
8.29
10.92
Total
327
9.489
0.650
9.42
9.56
6.16
10.94
6
Female
254
11.373
0.631
11.30
11.45
9.58
12.78
0.008
Male
72
11.600
0.640
11.45
11.75
10.24
13.11
Total
326
11.423
0.639
11.35
11.49
9.58
13.11
7
Female
253
11.338
0.798
11.24
11.44
8.75
13.60
0.033
Male
70
11.570
0.817
11.38
11.76
9.19
13.26
Total
323
11.388
0.806
11.30
11.48
8.75
13.60
Mesiodistal
1
Female
257
8.626
0.573
8.56
8.70
6.60
10.37
0.031
Male
73
8.789
0.556
8.66
8.92
7.62
9.98
Total
330
8.662
0.572
8.60
8.72
6.60
10.37
2
Female
250
6.759
0.708
6.67
6.85
3.90
9.69
0.560
Male
72
6.812
0.620
6.67
6.96
4.70
8.14
Total
322
6.771
0.689
6.70
6.85
3.90
9.69
3
Female
255
7.675
0.467
7.62
7.73
6.12
9.15
0.001
Male
73
7.896
0.509
7.78
8.02
6.93
8.82
Total
328
7.724
0.485
7.67
7.78
6.12
9.15
4
Female
249
6.946
0.499
6.88
7.01
5.02
9.04
0.187
Male
72
7.034
0.497
6.92
7.15
5.67
8.16
Total
321
6.966
0.499
6.91
7.02
5.02
9.04
5
Female
254
6.665
0.499
6.60
6.73
4.93
9.08
0.472
Male
73
6.713
0.513
6.59
6.83
5.78
8.05
Total
327
6.676
0.502
6.62
6.73
4.93
9.08
6
Female
254
10.050
0.723
9.96
10.14
6.54
13.16
0.018
Male
72
10.277
0.691
10.11
10.44
8.52
12.13
Total
326
10.100
0.721
10.02
10.18
6.54
13.16
7
Female
252
9.780
0.676
9.70
9.86
7.60
11.63
0.001
Male
70
10.076
0.616
9.93
10.22
8.68
11.45
Total
322
9.844
0.674
9.77
9.92
7.60
11.63
Left
Buccolingual
1
Female
256
7.342
0.620
7.27
7.42
5.79
9.01
0.017
Male
74
7.536
0.591
7.40
7.67
5.78
9.57
Total
330
7.386
0.618
7.32
7.45
5.78
9.57
2
Female
252
6.547
0.627
6.47
6.62
4.62
8.41
0.013
Male
72
6.782
0.931
6.56
7.00
4.80
12.46
Total
324
6.599
0.711
6.52
6.68
4.62
12.46
3
Female
250
8.172
0.694
8.09
8.26
5.85
9.87
<0.0005
Male
73
8.500
0.727
8.33
8.67
6.20
10.05
Total
323
8.246
0.714
8.17
8.32
5.85
10.05
4
Female
250
9.297
0.633
9.22
9.38
6.19
10.91
0.026
Male
72
9.485
0.616
9.34
9.63
8.27
10.86
Total
322
9.339
0.633
9.27
9.41
6.19
10.91
5
Female
253
9.406
0.675
9.32
9.49
5.86
10.90
0.040
Male
74
9.588
0.641
9.44
9.74
8.18
11.05
Total
327
9.447
0.670
9.37
9.52
5.86
11.05
6
Female
256
11.327
0.629
11.25
11.40
9.53
12.94
0.004
Male
74
11.568
0.653
11.42
11.72
10.03
13.24
Total
330
11.381
0.641
11.31
11.45
9.53
13.24
7
Female
253
11.247
0.779
11.15
11.34
8.35
13.14
0.001
Male
71
11.602
0.727
11.43
11.77
9.61
13.62
Total
324
11.325
0.781
11.24
11.41
8.35
13.62
Mesiodistal
1
Female
256
8.659
0.607
8.58
8.73
6.46
10.61
0.017
Male
74
8.851
0.601
8.71
8.99
7.52
10.67
Total
330
8.702
0.610
8.64
8.77
6.46
10.67
2
Female
252
6.788
0.636
6.71
6.87
4.57
8.43
0.685
Male
72
6.822
0.624
6.68
6.97
4.64
7.96
Total
324
6.795
0.633
6.73
6.86
4.57
8.43
3
Female
251
7.602
0.478
7.54
7.66
5.02
9.13
0.001
Male
73
7.814
0.527
7.69
7.94
6.66
9.02
Total
324
7.650
0.496
7.60
7.70
5.02
9.13
4
Female
250
6.965
0.503
6.90
7.03
4.86
9.02
0.280
Male
72
7.039
0.543
6.91
7.17
5.49
8.38
Total
322
6.981
0.512
6.93
7.04
4.86
9.02
5
Female
253
6.642
0.575
6.57
6.71
5.01
9.73
0.037
Male
74
6.805
0.646
6.66
6.95
5.61
9.96
Total
327
6.679
0.595
6.61
6.74
5.01
9.96
6
Female
256
10.059
0.632
9.98
10.14
8.26
11.53
0.005
Male
74
10.297
0.642
10.15
10.45
8.96
11.65
Total
330
10.113
0.641
10.04
10.18
8.26
11.65
7
Female
253
9.845
0.648
9.77
9.93
8.20
11.66
0.002
Male
71
10.115
0.561
9.98
10.25
8.95
11.43
Total
324
9.904
0.639
9.83
9.97
8.20
11.66
Tooth numbers 1 to 7 denote the most anterior (the central) to the most posterior (the second molar) teeth. SD: standard deviation; CI: confidence interval; Min: minimum; Max: maximum.
