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Table 2 The difference(mm) between the mean values of real Upper and Lower Canine and Premolar (UCPM, LCPM) tooth sizes and those predicted from Moyers’ charts per sex

From: New regression equations for predicting human teeth sizes

Percentile level % Sex
T M F
N Mean difference ± SD(mm) P value N Mean difference ± SD P N Mean difference ± SD P
UCPM 5 348 2.65 ± 0.95 *** 161 2.24 ± 0.87 *** 187 3.00 ± 0.87 ***
15 2.06 ± 0.92 *** 1.73 ± 0.87 *** 2.35 ± 0.87 ***
25 1.73 ± 0.91 *** 1.43 ± 0.87 *** 1.98 ± 0.87 ***
35 1.44 ± 0.90 *** 1.16 ± 0.87 *** 1.68 ± 0.87 ***
50 1.08 ± 0.90 *** 0.84 ± 0.87 *** 1.28 ± 0.87 ***
65 0.72 ± 0.89 *** 0.53 ± 0.87 *** 0.88 ± 0.87 ***
75 0.43 ± 0.88 *** 0.27 ± 0.87 *** 0.57 ± 0.86 ***
85 0.10 ± 0.87 * −0.03 ± 0.87 n.s. 0.21 ± 0.86 **
95 −0.49 ± 0,.87 *** −0.55 ± 0.87 *** −0.44 ± 0.86 ***
LCPM 5 348 2.74 ± 0.88 *** 161 2.65 ± 0.90 *** 187 2.81 ± 0.86 ***
15 2.02 ± 0.88 *** 1.95 ± 0.90 *** 2.07 ± 0.86 ***
25 1.58 ± 0.88 *** 1.51 ± 0.90 *** 1.64 ± 0.86 ***
35 1.24 ± 0.88 *** 1.16 ± 0.90 *** 1.30 ± 0.86 ***
50 0.79 ± 0.88 *** 0.72 ± 0.90 *** 0.84 ± 0.86 ***
65 0.32 ± 0.88 *** 0.26 ± 0.90 *** 0.37 ± 0.86 ***
75 −0.01 ± 0.88 n.s. −0.06 ± 0.90 n.s. 0.03 ± 0.86 n.s.
85 −0.44 ± 0.88 *** −0.50 ± 0.90 *** −0.39 ± 0.86 ***
95 −1.18 ± 0.88 *** −1.24 ± 0.90 *** −1.12 ± 0.86 ***
  1. t-Test of dependent samples for assessing homogeneity of measurements between the real values of the sample and those predicted by Moyers. n.s = not significant; * = p < 0.05; ** = p < 0.01; *** = p < 0.001. Male + Female(Total); Male(M) and Female(F).