Permanent Maxillary Odontometrics for Sex Estimation Based on a 3-Dimensional Digital Method

Jialin Liu; Yanshi Liu; Jian Wang; Shupeng Ge; Yangyang Zhang; Xiaohe Wang; Lijuan Du; Huiyu He

doi:10.12659/MSM.933450

22 December 2021: Clinical Research

Permanent Maxillary Odontometrics for Sex Estimation Based on a 3-Dimensional Digital Method

Jialin Liu ^1E* , Yanshi Liu ^2A* , Jian Wang ^3C , Shupeng Ge ^1D , Yangyang Zhang ^4F , Xiaohe Wang ^4B , Lijuan Du ^5B , Huiyu He ^1G*

DOI: 10.12659/MSM.933450

Med Sci Monit 2021; 27:e933450

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Table 3 Comparison of crown indices between men and women.

Teeth	Variables	Group	Number (n)	Mean (mm)	SD (mm)	95% Confidence interval		t-value	p-value
Teeth	Variables	Group	Number (n)	Mean (mm)	SD (mm)	Lower	Upper	t-value	p-value
11	CA	Male	104	51.022	7.863	49.493	52.552	1.682	0.094
	CA	Female	100	49.273	6.942	47.895	50.650	1.682	0.094
	CI	Male	104	69.410	6.808	68.086	70.734	−1.703	0.090
	CI	Female	100	70.876	5.433	69.798	71.954	−1.703	0.090
	CM	Male	104	7.250	0.510	7.151	7.349	1.995	0.047
	CM	Female	100	7.113	0.471	7.019	7.206	1.995	0.047
12	CA	Male	104	38.258	6.731	36.949	39.567	1.657	0.099
	CA	Female	100	36.924	4.602	36.011	37.838	1.657	0.099
	CI	Male	104	77.959	8.075	76.389	79.530	−1.148	0.252
	CI	Female	100	79.144	6.623	77.830	80.459	−1.148	0.252
	CM	Male	104	6.220	0.512	6.120	6.320	1.724	0.086
	CM	Female	100	6.112	0.373	6.038	6.186	1.724	0.086
13	CA	Male	104	56.232	7.047	54.862	57.603	4.365
	CA	Female	100	52.154	6.258	50.912	53.395	4.365
	CI	Male	104	91.184	7.446	89.736	92.632	−0.686	0.493
	CI	Female	100	91.898	7.415	90.427	93.370	−0.686	0.493
	CM	Male	104	7.498	0.463	7.408	7.588	4.487
	CM	Female	100	7.222	0.414	7.140	7.304	4.487
	MCI	Male	104	0.215	0.013	0.212	0.217	2.331	0.021
	MCI	Female	100	0.210	0.013	0.208	0.213	2.331	0.021
14	CA	Male	104	66.855	8.643	65.174	68.535	4.533
	CA	Female	100	61.815	7.195	60.388	63.243	4.533
	CI	Male	104	135.129	6.058	132.948	137.121	−0.658	0.511
	CI	Female	100	135.943	10.995	134.765	137.311	−0.658	0.511
	CM	Male	104	8.258	0.536	8.153	8.362	4.355
	CM	Female	100	7.945	0.488	7.848	8.042	4.355
15	CA	Male	104	62.142	7.569	60.670	63.614	3.728
	CA	Female	100	58.529	6.233	57.292	59.766	3.728
	CI	Male	104	137.948	7.368	136.515	139.381	−2.096	0.037
	CI	Female	100	140.516	9.980	138.535	142.496	−2.096	0.037
	CM	Male	104	7.972	0.478	7.879	8.065	3.454	0.001
	CM	Female	100	7.754	0.421	7.671	7.838	3.454	0.001
16	CA	Male	104	108.376	11.090	106.219	110.533	4.620
	CA	Female	100	101.834	9.069	100.035	103.634	4.620
	CI	Male	104	97.826	4.594	96.932	98.719	−2.300	0.022
	CI	Female	100	99.262	4.315	98.406	100.118	−2.300	0.022
	CM	Male	104	10.400	0.533	10.297	10.504	4.570
	CM	Female	100	10.084	0.451	9.994	10.173	4.570
17	CA	Male	104	98.524	9.531	96.671	100.378	3.304	0.001
	CA	Female	100	94.135	9.435	92.263	96.007	3.304	0.001
	CI	Male	104	111.785	8.965	110.041	113.528	−0.321	0.748
	CI	Female	100	112.108	4.879	111.140	113.076	−0.321	0.748
	CM	Male	104	9.937	0.476	9.844	10.029	3.388	0.001
	CM	Female	100	9.708	0.489	9.611	9.805	3.388	0.001
21	CA	Male	104	50.785	7.739	49.280	52.290	0.876	0.382
	CA	Female	100	49.846	7.571	48.344	51.348	0.876	0.382
	CI	Male	104	68.705	6.277	67.485	69.926	−3.168	0.002
	CI	Female	100	71.384	5.776	70.238	72.530	−3.168	0.002
	CM	Male	104	7.240	0.500	7.143	7.337	1.323	0.187
	CM	Female	100	7.147	0.504	7.047	7.247	1.323	0.187
22	CA	Male	104	38.734	6.070	37.553	39.914	1.918	0.057
	CA	Female	100	37.251	4.886	36.281	38.220	1.918	0.057
	CI	Male	104	78.288	7.603	76.809	79.766	−1.801	0.073
	CI	Female	100	80.053	6.312	78.801	81.306	−1.801	0.073
	CM	Male	104	6.260	0.472	6.168	6.351	2.066	0.040
	CM	Female	100	6.133	0.397	6.055	6.212	2.066	0.040
23	CA	Male	104	55.304	7.277	53.889	56.720	3.143	0.002
	CA	Female	100	52.269	6.509	50.977	53.560	3.143	0.002
	CI	Male	104	89.570	7.113	88.187	90.954	−2.555	0.011
	CI	Female	100	92.114	7.107	90.704	93.524	−2.555	0.011
	CM	Male	104	7.438	0.479	7.345	7.531	4.404
	CM	Female	100	7.159	0.425	7.074	7.243	4.404
	MCI	Male	104	0.215	0.013	0.212	0.217	2.453	0.015
	MCI	Female	100	0.210	0.013	0.208	0.213	2.453	0.015
24	CA	Male	104	67.104	8.281	65.493	68.714	3.949
	CA	Female	100	62.918	6.747	61.579	64.256	3.949
	CI	Male	104	134.084	6.604	132.799	135.368	−2.584	0.010
	CI	Female	100	136.491	6.702	135.161	137.820	−2.584	0.010
	CM	Male	104	8.266	0.510	8.167	8.365	3.730
	CM	Female	100	8.018	0.435	7.932	8.105	3.730
25	CA	Male	104	62.178	7.068	60.804	63.553	3.820
	CA	Female	100	58.585	6.328	57.330	59.841	3.820
	CI	Male	104	137.516	7.139	136.127	138.904	−2.287	0.023
	CI	Female	100	140.033	8.542	138.338	141.728	−2.287	0.023
	CM	Male	104	7.975	0.446	7.888	8.061	3.637
	CM	Female	100	7.755	0.417	7.672	7.837	3.637
26	CA	Male	104	109.999	11.681	107.728	112.271	4.626
	CA	Female	100	103.291	8.892	101.527	105.055	4.626
	CI	Male	104	99.015	4.548	98.131	99.900	−2.649	0.009
	CI	Female	100	100.734	4.719	99.797	101.670	−2.649	0.009
	CM	Male	104	10.476	0.559	10.368	10.585	4.549
	CM	Female	100	10.157	0.440	10.069	10.244	4.549
27	CA	Male	104	98.378	10.253	96.384	100.372	3.084	0.002
	CA	Female	100	94.017	9.930	92.047	95.987	3.084	0.002
	CI	Male	104	109.944	7.140	108.555	111.332	−0.019	0.985
	CI	Female	100	109.961	5.860	108.799	111.124	−0.019	0.985
	CM	Male	104	9.921	0.522	9.820	10.023	3.096	0.002
	CM	Female	100	9.697	0.511	9.596	9.799	3.096	0.002
11 – the right central incisor; 12 – the right lateral incisor; 13 – the right canine; 14 – the right first premolar; 15 – the right second premolar; 16 – the right first molar; 17 – the right second molar; 21 – the left central incisor; 22 – the left lateral incisor; 23 – the left canine; 24 – the left first premolar; 25 – the left second premolar; 26 – the left first molar; 27 – the left second molar; CA – crown area; CI – crown index; CM – crown module; MCI – maxillary canine index; SD – standard deviation.

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Permanent Maxillary Odontometrics for Sex Estimation Based on a 3-Dimensional Digital Method

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