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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

Table 6 Discriminant functions in indices for sex estimation.

TeethFunctionDiscriminant functionWilks’ Lambdap-valueAccuracy (%)Cutting point*
MaleFemaleOverall
11Crown area−6.755+0.135CA0.9860.09448.156.052.0−0.002
Crown module−14.613+2.035CM0.9810.04753.856.054.9−0.002
Crown index−11.361+0.162CI0.9860.09248.164.055.90.003
12Crown area−6.499+0.173CA0.9870.10148.160.053.9−0.002
Crown module−13.724+2.225CM0.9860.08850.060.054.9−0.002
Crown index−10.615+0.135CI0.9940.25453.852.052.90.002
13Crown area−8.128+0.150CA0.91461.568.064.7−0.011
Crown module−16.746+2.274CM0.90963.568.065.7−0.006
Crown index−12.318+0.135CI0.9980.49353.856.054.90.001
Maxillary canine index−16.240+76.447MCI0.9740.02151.964.057.8−0.003
14Crown area−8.082+0.126CA0.90853.868.060.8−0.007
Crown module−15.785+1.948CM0.91453.868.060.8−0.006
Crown index−15.351+0.113CI0.9980.51150.044.047.10.001
15Crown area−8.691+0.144CA0.93657.764.060.8−0.005
Crown module−17.458+2.220CM0.9440.00159.664.061.8−0.005
Crown index−15.916+0.114CI0.9790.03750.052.051.00.003
16Crown area−10.362+0.099CA0.90555.864.059.8−0.007
Crown module−20.724+2.023CM0.90657.764.060.8−0.006
Crown index−22.096+0.224CI0.9740.02269.260.064.70.003
17Crown area−10.162+0.105CA0.9490.00157.768.062.7−0.004
Crown module−20.372+2.074CM0.9460.00159.668.063.7−0.004
Crown index−15.428+0.138CI0.9990.75153.860.056.90.001
21Crown area−6.572+0.131CA0.9960.38248.156.052.0−0.002
Crown module−14.341+1.993CM0.9910.18746.256.051.0−0.002
Crown index−11.598+0.166CI0.9530.00251.960.055.90.004
22Crown area−6.883+0.181CA0.9820.05750.056.052.9−0.003
Crown module−14.192+2.290CM0.9790.04051.956.053.9−0.003
Crown index−11.307+0.143CI0.9840.07351.948.050.00.003
23Crown area−7.786+0.145CA0.9540.00253.872.062.7−0.005
Crown module−16.095+2.204CM0.91359.668.063.7−0.006
Crown index−12.773+0.141CI0.9690.01161.558.059.80.004
Maxillary canine index−16.677+78.527MCI0.9710.01561.576.068.6−0.003
24Crown area−8.595+0.132CA0.92855.860.057.8−0.005
Crown module−17.164+2.107CM0.93655.860.057.8−0.005
Crown index−20.333+0.150CI0.9680.01051.952.052.00.004
25Crown area−8.997+0.149CA0.93357.764.060.8−0.006
Crown module−18.205+2.314CM0.93955.864.059.8−0.005
Crown index−17.656+0.127CI0.9750.02353.836.045.10.003
26Crown area−10.253+0.096CA0.90559.668.063.7−0.007
Crown module−20.483+1.985CM0.90861.568.064.7−0.006
Crown index−21.555+0.216CI0.9660.00957.764.060.80.004
27Crown area−9.532+0.099CA0.9550.00255.864.059.8−0.004
Crown module−18.990+1.936CM0.9550.00257.764.060.8−0.004
Crown index−16.802+0.153CI1.0000.98555.848.052.00.000
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.
* A discriminant score less than the cutting point for CA, CM, and MCI indicates a woman. A discriminant score less than the cutting point for CI indicates a man.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750