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

Table 3

The areas under ROC curves and the cut-off points for sex determination (mm).

Jaw	Side	Dimension	Tooth	Area	SE		95% CI		Cut-off (mm)
Maxilla	Right	Buccolingual	Central	0.596	0.040	0.021	0.517	0.675	7.715
			Lateral	0.628	0.041	0.002	0.547	0.709	6.950
			Canine	0.662	0.040	<0.0005	0.584	0.741	8.665
			First premolar	0.587	0.043	0.037	0.502	0.672	9.915
			Second premolar	0.590	0.045	0.031	0.502	0.677	10.175
			First molar	0.589	0.041	0.032	0.509	0.670	11.715
			Second molar	0.567	0.041	0.107	0.487	0.648	—
		Mesiodistal	Central	0.575	0.041	0.072	0.494	0.656	—
			Lateral	0.526	0.041	0.527	0.446	0.606	—
			Canine	0.628	0.041	0.002	0.547	0.710	7.930
			First premolar	0.526	0.042	0.528	0.444	0.609	—
			Second premolar	0.536	0.044	0.383	0.449	0.623	—
			First molar	0.590	0.041	0.030	0.509	0.671	10.275
			Second molar	0.598	0.041	0.018	0.518	0.678	10.235
	Left	Buccolingual	Central	0.602	0.038	0.011	0.529	0.676	7.355
			Lateral	0.606	0.039	0.009	0.529	0.683	6.535
			Canine	0.643	0.040	<0.0005	0.566	0.721	8.780
			First premolar	0.583	0.041	0.039	0.503	0.663	9.845
			Second premolar	0.591	0.041	0.024	0.512	0.671	9.865
			First molar	0.596	0.040	0.018	0.518	0.674	11.505
			Second molar	0.616	0.037	0.004	0.543	0.690	11.235
		Mesiodistal	Central	0.591	0.039	0.025	0.513	0.668	8.570
			Lateral	0.537	0.039	0.363	0.460	0.614	—
			Canine	0.627	0.041	0.002	0.546	0.708	7.835
			First premolar	0.532	0.042	0.422	0.450	0.615	—
			Second premolar	0.583	0.041	0.041	0.503	0.663	7.365
			First molar	0.595	0.040	0.019	0.516	0.673	10.815
			Second molar	0.611	0.039	0.006	0.536	0.687	10.155
Mandible	Right	Buccolingual	Central	0.578	0.043	0.056	0.494	0.662	—
			Lateral	0.572	0.043	0.078	0.488	0.655	—
			Canine	0.652	0.043	<0.0005	0.568	0.736	7.905
			First premolar	0.652	0.041	<0.0005	0.572	0.732	8.285
			Second premolar	0.572	0.045	0.078	0.484	0.660	—
			First molar	0.594	0.042	0.021	0.512	0.677	11.455
			Second molar	0.629	0.039	0.002	0.553	0.705	10.755
		Mesiodistal	Central	0.536	0.040	0.372	0.457	0.615	—
			Lateral	0.577	0.041	0.059	0.497	0.656	—
			Canine	0.720	0.036	<0.0005	0.650	0.790	6.835
			First premolar	0.575	0.040	0.066	0.497	0.653	—
			Second premolar	0.563	0.041	0.119	0.483	0.644	—
			First molar	0.605	0.040	0.010	0.526	0.684	10.885
			Second molar	0.620	0.038	0.003	0.545	0.695	10.275
	Left	Buccolingual	Central	0.617	0.039	0.003	0.540	0.695	6.175
			Lateral	0.610	0.039	0.006	0.534	0.686	6.575
			Canine	0.683	0.041	<0.0005	0.604	0.763	7.765
			First premolar	0.673	0.039	<0.0005	0.596	0.749	8.275
			Second premolar	0.606	0.043	0.008	0.522	0.689	9.025
			First molar	0.571	0.042	0.077	0.489	0.652	—
			Second molar	0.603	0.040	0.010	0.526	0.681	10.610
		Mesiodistal	Central	0.553	0.038	0.183	0.478	0.628	—
			Lateral	0.547	0.042	0.238	0.465	0.629	—
			Canine	0.668	0.041	<0.0005	0.589	0.748	6.960
			First premolar	0.585	0.038	0.033	0.511	0.658	6.965
			Second premolar	0.554	0.041	0.172	0.473	0.635	—
			First molar	0.598	0.039	0.014	0.522	0.673	10.910
			Second molar	0.631	0.037	0.001	0.559	0.703	10.275

SE: standard error; CI: confidence interval for the AUC. Measurements below the cut-off points belong to women.