Research Article

Accuracy of Four Tooth Size Prediction Methods on Malay Population

Table 3

Comparison between actual and predicted values for each tested method. Male samplesa.

Actual (mm)
(C + P1 + P2) Mean (SD)
Tested methodsPredicted (mm)
(C + P1 + P2)
Mean (SD)
Actual-predicted
mean differenceb (mm)
(95% CI)
P value*

Maxilla = 22.82 (1.02)
Moyers 50%Maxilla22.71 (0.86)0.11 (−0.09, 0.32)0.28
Mandible22.36 (0.91)−0.49 (−0.68, −0.31)<0.001
Tanaka and JohnstonMaxilla22.64 (0.77)0.18 (−0.02, 0.38)0.08
Mandible22.14 (0.77)−0.28 (−0.45, −0.1)<0.01
Mandible = 21.87 (1.03)
Ling and WongMaxilla23.14 (0.77)−0.32 (−0.52, −0.12)<0.001
Mandible22.25 (0.77)−0.39 (−0.56, −0.21)<0.01
Jaroontham and GodfreyMaxilla22.90 (0.63)−0.09 (−0.28, 0.11)0.47
Mandible21.93 (0.67)−0.07 (−0.25, 0.11)0.40

a Sample size: 120.
b Independent test.
*Significant at .