Buccolingual and Mesiodistal Dimensions of the Permanent Teeth, Their Diagnostic Value for Sex Identification, and Bolton Indices
Table 6
Descriptive statistics and 95% CIs for dental sizes (averages of the right and left sides, mm) in cases with and without microdontia. The groups are compared using the -test.
Jaw
Measurement
Tooth
Microdontia
Mean
SD
95% CI
Min
Max
Maxilla
Buccolingual
1
No
203
7.489
0.550
7.41
7.56
5.91
9.04
<0.0005
Yes
128
7.250
0.584
7.15
7.35
5.88
8.52
Total
331
7.396
0.575
7.33
7.46
5.88
9.04
2
No
199
6.681
0.650
6.59
6.77
4.51
10.13
0.002
Yes
126
6.454
0.639
6.34
6.57
4.47
8.19
Total
325
6.593
0.654
6.52
6.66
4.47
10.13
3
No
200
8.370
0.659
8.28
8.46
6.18
9.87
<0.0005
Yes
126
8.054
0.628
7.94
8.16
6.24
9.54
Total
326
8.248
0.664
8.18
8.32
6.18
9.87
4
No
196
9.483
0.525
9.41
9.56
8.01
10.74
<0.0005
Yes
127
9.129
0.668
9.01
9.25
6.41
10.68
Total
323
9.344
0.610
9.28
9.41
6.41
10.74
5
No
202
9.663
0.508
9.59
9.73
8.36
10.99
<0.0005
Yes
127
9.156
0.689
9.04
9.28
6.01
10.78
Total
329
9.468
0.633
9.40
9.54
6.01
10.99
6
No
202
11.584
0.558
11.51
11.66
10.11
13.17
<0.0005
Yes
128
11.117
0.595
11.01
11.22
9.73
12.47
Total
330
11.403
0.616
11.34
11.47
9.73
13.17
7
No
197
11.609
0.678
11.51
11.70
9.54
13.32
<0.0005
Yes
127
10.969
0.743
10.84
11.10
8.98
12.89
Total
324
11.358
0.770
11.27
11.44
8.98
13.32
Mesiodistal
1
No
203
8.834
0.514
8.76
8.91
7.63
10.47
<0.0005
Yes
128
8.440
0.567
8.34
8.54
6.64
10.33
Total
331
8.682
0.568
8.62
8.74
6.64
10.47
2
No
199
6.977
0.513
6.91
7.05
4.74
8.10
<0.0005
Yes
126
6.451
0.685
6.33
6.57
3.90
7.70
Total
325
6.773
0.639
6.70
6.84
3.90
8.10
3
No
201
7.826
0.444
7.76
7.89
6.84
9.14
<0.0005
Yes
127
7.467
0.416
7.39
7.54
5.57
8.47
Total
328
7.687
0.467
7.64
7.74
5.57
9.14
4
No
196
7.107
0.430
7.05
7.17
5.58
8.29
<0.0005
Yes
127
6.770
0.492
6.68
6.86
4.94
9.03
Total
323
6.974
0.484
6.92
7.03
4.94
9.03
5
No
202
6.817
0.469
6.75
6.88
5.70
8.57
<0.0005
Yes
127
6.455
0.490
6.37
6.54
4.97
8.96
Total
329
6.677
0.508
6.62
6.73
4.97
8.96
6
No
202
10.318
0.588
10.24
10.40
8.74
11.89
<0.0005
Yes
128
9.773
0.549
9.68
9.87
8.46
11.12
Total
330
10.106
0.631
10.04
10.17
8.46
11.89
7
No
197
10.100
0.568
10.02
10.18
8.59
11.62
<0.0005
Yes
127
9.524
0.517
9.43
9.61
8.23
11.05
Total
324
9.874
0.616
9.81
9.94
8.23
11.62
Mandible
Buccolingual
1
No
201
6.329
0.470
6.26
6.39
4.78
7.82
0.001
Yes
128
6.157
0.481
6.07
6.24
4.83
7.37
Total
329
6.262
0.481
6.21
6.31
4.78
7.82
2
No
203
6.598
0.472
6.53
6.66
5.21
7.97
0.001
Yes
128
6.414
0.513
6.32
6.50
5.17
7.53
Total
331
6.527
0.496
6.47
6.58
5.17
7.97
3
No
203
7.595
0.650
7.51
7.69
5.89
9.43
<0.0005
Yes
128
7.329
0.543
7.23
7.42
5.91
8.71
Total
331
7.492
0.624
7.42
7.56
5.89
9.43
4
No
200
8.169
0.535
8.09
8.24
6.97
9.59
<0.0005
Yes
127
7.818
0.592
7.71
7.92
6.11
9.71
Total
327
8.033
0.583
7.97
8.10
6.11
9.71
5
No
198
8.891
0.510
8.82
8.96
7.33
9.95
<0.0005
Yes
128
8.479
0.581
8.38
8.58
6.56
10.18
Total
326
8.729
0.575
8.67
8.79
6.56
10.18
6
No
202
10.914
0.501
10.84
10.98
9.82
12.62
<0.0005
Yes
128
10.477
0.515
10.39
10.57
8.82
11.60
Total
330
10.745
0.548
10.69
10.80
8.82
12.62
7
No
199
10.732
0.541
10.66
10.81
9.31
12.04
<0.0005
Yes
128
10.292
0.621
10.18
10.40
8.56
11.88
Total
327
10.560
0.612
10.49
10.63
8.56
12.04
Mesiodistal
1
No
203
5.495
0.377
5.44
5.55
4.51
6.45
<0.0005
Yes
128
5.257
0.397
5.19
5.33
4.12
6.41
Total
331
5.403
0.402
5.36
5.45
4.12
6.45
2
No
203
6.054
0.387
6.00
6.11
5.18
7.11
<0.0005
Yes
128
5.803
0.421
5.73
5.88
4.50
7.22
Total
331
5.957
0.418
5.91
6.00
4.50
7.22
3
No
203
6.811
0.424
6.75
6.87
5.74
7.98
<0.0005
Yes
128
6.502
0.418
6.43
6.58
5.39
8.00
Total
331
6.691
0.447
6.64
6.74
5.39
8.00
4
No
200
7.207
0.430
7.15
7.27
6.06
8.30
<0.0005
Yes
127
6.831
0.462
6.75
6.91
5.44
7.80
Total
327
7.061
0.479
7.01
7.11
5.44
8.30
5
No
199
7.286
0.500
7.22
7.36
6.19
8.79
<0.0005
Yes
128
6.864
0.445
6.79
6.94
5.86
8.13
Total
327
7.121
0.521
7.06
7.18
5.86
8.79
6
No
202
11.066
0.606
10.98
11.15
9.41
12.99
<0.0005
Yes
128
10.467
0.652
10.35
10.58
8.17
12.15
Total
330
10.833
0.689
10.76
10.91
8.17
12.99
7
No
199
10.508
0.567
10.43
10.59
9.18
12.31
<0.0005
Yes
128
9.968
0.597
9.86
10.07
8.52
11.84
Total
327
10.297
0.635
10.23
10.37
8.52
12.31
Tooth numbers 1 to 7 denote the central to the second molar teeth. SD: standard deviation; CI: confidence interval; Min: minimum; Max: maximum.
