Buccolingual and Mesiodistal Dimensions of the Permanent Teeth, Their Diagnostic Value for Sex Identification, and Bolton Indices

Table 8

The Bolton indices in men versus women within different Angle classes.

Angle classes	Bolton ratio	Sex		Mean	SD	95% CI		Min	Max
Class I	Overall	Female	115	91.91	2.48	91.45	92.37	86.40	99.09	0.586
		Male	27	92.19	2.22	91.32	93.07	86.32	95.72
	Anterior	Female	115	77.89	2.97	77.34	78.44	72.16	86.06	0.909
		Male	27	77.96	3.09	76.74	79.18	71.45	86.02
	Posterior	Female	115	105.69	3.72	105.00	106.38	96.78	112.37	0.472
		Male	27	106.25	3.28	104.96	107.55	99.47	112.49
Class II	Overall	Female	82	91.35	2.35	90.83	91.86	83.97	97.67	0.121
		Male	28	92.17	2.53	91.19	93.15	87.72	99.87
	Anterior	Female	82	77.72	3.33	76.99	78.45	69.00	89.43	0.014
		Male	28	79.48	2.92	78.35	80.61	74.52	87.61
	Posterior	Female	82	104.64	3.60	103.85	105.43	96.20	114.43	0.841
		Male	28	104.48	4.01	102.92	106.03	97.14	115.59
Class III	Overall	Female	11	93.46	2.48	91.79	95.13	88.94	97.73	—
		Male	2	90.69	0.57	—	—	90.28	91.09
	Anterior	Female	11	78.72	3.15	76.60	80.83	74.48	85.40	—
		Male	2	77.68	2.09	—	—	76.20	79.15
	Posterior	Female	11	107.94	4.09	105.20	110.69	100.42	112.31	—
		Male	2	103.03	0.46	—	—	102.71	103.36

SD: standard deviation; CI: confidence interval; Min: minimum; Max: maximum. The values are calculated using the unpaired -test.