Teeth Equation R2
(Coefficient of determination)
Significant predictors
All six teeth Age = 30.1 + 3.48 M + 2.24 W - L 0.017 None
Lower Canine Age = 61.5 - 98.6 M - 43.1 W - L 0.219 M & W-L
Lower Lateral incisor Age = 18.5 + 1.30 M - 13.9 W - L 0.014 None
Lower first premolar Age = -17.8 + 17.6 M - 46.1 W - L 0.248 W-L
Upper second premolar Age = 110 - 79.7 M + 34.4 W - L 0.385 M & W-L
Upper lateral incisor Age = 26.4 - 20.1 M - 22.7 W - L 0.100 None
Upper central incisor Age = 31.1 - 85.1 M - 71.5 W - L 0.288 W-L
Upper three teeth Age = 25.9 + 10.3 M + 3.57 W - L 0.076 M
Lower three teeth Age = 14.9 + 0.61 M - 19.6 W - L 0.049 W-L
Table 2: Regression analysis.