Buccolingual and Mesiodistal Dimensions of the Permanent Teeth, Their Diagnostic Value for Sex Identification, and Bolton Indices
Table 5
Descriptive statistics and 95% CIs for dental measurements (averages of the right and left sides, mm) in crowded versus noncrowded dentitions. The groups are compared using the -test.
Jaw
Measurement
Tooth
Crowding
Mean
SD
95% CI
Min
Max
Maxilla
Buccolingual
1
No
242
7.411
0.606
7.33
7.49
5.88
9.04
0.443
Yes
89
7.356
0.480
7.26
7.46
5.93
8.17
Total
331
7.396
0.575
7.33
7.46
5.88
9.04
2
No
237
6.622
0.682
6.53
6.71
4.47
10.13
0.191
Yes
88
6.515
0.569
6.39
6.64
5.27
7.60
Total
325
6.593
0.654
6.52
6.66
4.47
10.13
3
No
239
8.257
0.660
8.17
8.34
6.24
9.87
0.670
Yes
87
8.221
0.680
8.08
8.37
6.18
9.55
Total
326
8.248
0.664
8.18
8.32
6.18
9.87
4
No
239
9.349
0.617
9.27
9.43
6.41
10.74
0.805
Yes
84
9.330
0.592
9.20
9.46
8.01
10.44
Total
323
9.344
0.610
9.28
9.41
6.41
10.74
5
No
241
9.454
0.636
9.37
9.53
6.01
10.99
0.512
Yes
88
9.506
0.627
9.37
9.64
7.90
10.91
Total
329
9.468
0.633
9.40
9.54
6.01
10.99
6
No
241
11.403
0.611
11.33
11.48
9.73
13.17
0.999
Yes
89
11.403
0.632
11.27
11.54
9.81
12.76
Total
330
11.403
0.616
11.34
11.47
9.73
13.17
7
No
236
11.361
0.783
11.26
11.46
8.98
13.32
0.918
Yes
88
11.351
0.737
11.19
11.51
9.34
13.04
Total
324
11.358
0.770
11.27
11.44
8.98
13.32
Mesiodistal
1
No
242
8.687
0.602
8.61
8.76
6.64
10.47
0.771
Yes
89
8.667
0.466
8.57
8.76
7.47
10.13
Total
331
8.682
0.568
8.62
8.74
6.64
10.47
2
No
237
6.781
0.653
6.70
6.86
3.90
8.07
0.726
Yes
88
6.753
0.602
6.63
6.88
4.75
8.10
Total
325
6.773
0.639
6.70
6.84
3.90
8.10
3
No
239
7.701
0.446
7.64
7.76
6.78
9.14
0.375
Yes
89
7.649
0.521
7.54
7.76
5.57
8.84
Total
328
7.687
0.467
7.64
7.74
5.57
9.14
4
No
239
6.977
0.480
6.92
7.04
4.94
9.03
0.870
Yes
84
6.967
0.497
6.86
7.07
5.58
8.08
Total
323
6.974
0.484
6.92
7.03
4.94
9.03
5
No
241
6.670
0.507
6.61
6.73
4.97
8.96
0.660
Yes
88
6.698
0.514
6.59
6.81
5.19
8.57
Total
329
6.677
0.508
6.62
6.73
4.97
8.96
6
No
241
10.090
0.607
10.01
10.17
8.46
11.70
0.424
Yes
89
10.152
0.694
10.01
10.30
8.47
11.89
Total
330
10.106
0.631
10.04
10.17
8.46
11.89
7
No
236
9.857
0.595
9.78
9.93
8.26
11.59
0.405
Yes
88
9.921
0.668
9.78
10.06
8.23
11.62
Total
324
9.874
0.616
9.81
9.94
8.23
11.62
Mandible
Buccolingual
1
No
241
6.279
0.507
6.21
6.34
4.78
7.82
0.295
Yes
88
6.216
0.401
6.13
6.30
5.19
7.04
Total
329
6.262
0.481
6.21
6.31
4.78
7.82
2
No
242
6.559
0.512
6.49
6.62
5.17
7.97
0.052
Yes
89
6.440
0.439
6.35
6.53
5.46
7.33
Total
331
6.527
0.496
6.47
6.58
5.17
7.97
3
No
242
7.499
0.632
7.42
7.58
5.89
9.43
0.754
Yes
89
7.475
0.605
7.35
7.60
6.07
8.65
Total
331
7.492
0.624
7.42
7.56
5.89
9.43
4
No
241
8.025
0.564
7.95
8.10
6.11
9.32
0.696
Yes
86
8.054
0.635
7.92
8.19
6.63
9.71
Total
327
8.033
0.583
7.97
8.10
6.11
9.71
5
No
239
8.730
0.577
8.66
8.80
6.56
9.95
0.955
Yes
87
8.726
0.574
8.60
8.85
7.33
10.18
Total
326
8.729
0.575
8.67
8.79
6.56
10.18
6
No
242
10.767
0.551
10.70
10.84
8.82
12.62
0.220
Yes
88
10.683
0.539
10.57
10.80
9.32
11.88
Total
330
10.745
0.548
10.69
10.80
8.82
12.62
7
No
238
10.565
0.625
10.48
10.64
8.56
12.04
0.824
Yes
89
10.548
0.578
10.43
10.67
9.26
11.75
Total
327
10.560
0.612
10.49
10.63
8.56
12.04
Mesiodistal
1
No
242
5.412
0.405
5.36
5.46
4.12
6.45
0.510
Yes
89
5.379
0.393
5.30
5.46
4.47
6.27
Total
331
5.403
0.402
5.36
5.45
4.12
6.45
2
No
242
5.969
0.414
5.92
6.02
4.50
7.22
0.387
Yes
89
5.924
0.430
5.83
6.01
4.75
6.98
Total
331
5.957
0.418
5.91
6.00
4.50
7.22
3
No
242
6.695
0.442
6.64
6.75
5.39
7.98
0.785
Yes
89
6.680
0.464
6.58
6.78
5.45
8.00
Total
331
6.691
0.447
6.64
6.74
5.39
8.00
4
No
241
7.067
0.462
7.01
7.13
5.44
8.30
0.703
Yes
86
7.044
0.526
6.93
7.16
5.67
8.26
Total
327
7.061
0.479
7.01
7.11
5.44
8.30
5
No
239
7.121
0.522
7.05
7.19
5.86
8.79
0.984
Yes
88
7.120
0.523
7.01
7.23
6.09
8.62
Total
327
7.121
0.521
7.06
7.18
5.86
8.79
6
No
242
10.848
0.673
10.76
10.93
8.78
12.99
0.515
Yes
88
10.792
0.733
10.64
10.95
8.17
12.65
Total
330
10.833
0.689
10.76
10.91
8.17
12.99
7
No
238
10.278
0.640
10.20
10.36
8.52
12.31
0.397
Yes
89
10.345
0.625
10.21
10.48
8.95
11.84
Total
327
10.297
0.635
10.23
10.37
8.52
12.31
Tooth numbers 1 to 7 indicate the central to the second molar teeth. SD: standard deviation; CI: confidence interval; Min: minimum; Max: maximum.
