Buccolingual and Mesiodistal Dimensions of the Permanent Teeth, Their Diagnostic Value for Sex Identification, and Bolton Indices
Table 7
The Bolton ratios in men, women, and different Angle classes.
Bolton ratio
Variables
Mean
SD
95% CI
Min
Max
Overall
Female
210
91.78
2.48
91.44
92.12
83.97
99.09
0.229
Male
58
92.22
2.42
91.58
92.85
86.32
99.87
Total
268
91.87
2.47
91.58
92.17
83.97
99.87
Anterior
Female
210
77.86
3.11
77.44
78.29
69.00
89.43
0.059
Male
58
78.74
3.02
77.94
79.53
71.45
87.61
Total
268
78.05
3.11
77.68
78.43
69.00
89.43
Posterior
Female
210
105.42
3.77
104.91
105.93
96.20
114.43
0.995
Male
58
105.41
3.83
104.41
106.42
97.14
115.59
Total
268
105.42
3.77
104.96
105.87
96.20
115.59
Overall
Class I
142
91.96
2.43
91.56
92.37
86.32
99.09
0.083
Class II
110
91.55
2.41
91.10
92.01
83.97
99.87
Class III
13
93.03
2.50
91.52
94.54
88.94
97.73
Anterior
Class I
142
77.90
2.98
77.41
78.40
71.45
86.06
0.667
Class II
110
78.16
3.30
77.54
78.79
69.00
89.43
Class III
13
78.56
2.96
76.77
80.35
74.48
85.40
Posterior
Class I
142
105.80
3.64
105.19
106.40
96.78
112.49
0.008
Class II
110
104.60
3.69
103.90
105.30
96.20
115.59
Class III
13
107.19
4.16
104.67
109.70
100.42
112.31
SD: standard deviation; CI: confidence interval; Min: minimum; Max: maximum. The values for comparisons between men and women are calculated using the unpaired -test. The values for comparisons across Angle classes are calculated using the one-way ANOVA.