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Table 3 The difference (mm) between the mean values of real Upper and Lower Canine and Premolar(UCPM, LCPM) tooth sizes and those predicted from Tanaka-Johnston’s equations per sex

From: New regression equations for predicting human teeth sizes

  Sex
T M F
N Mean difference ± SD(mm) P N Mean ± SD P N Mean ± SD P
UCPM 359 −0.41 ± 0.88 *** 169 −0.21 ± 0.88 ** 190 −0.59 ± 0.85 ***
LCPM −0.42 ± 0.91 *** −0.20 ± 0.91 ** −0.61 ± 0.86 ***
  1. t-Test of dependent samples for assessing homogeneity of measurements between the realand predicted values of the sample. n.s = not significant; ** = p < 0.01; *** = p < 0.001.Male + Female(Total); Male(M) and Female(F).