Table 6.

Regression analysis of the mouth corner line (°) when smiling according to the changes in the canine and molar areas

	A	P valuea	B	P valueb	β	R 2	P valuec
Canine canting (mm)	0.091	.736	1.303	.014*	0.078	0.006	.736
Molar canting (mm)	0.277	.263	1.040	.439	.256	0.065	.263
Mouth corner canting (mm)	−0.099	.727	1.563	.003*	−0.081	0.007	.727
Canine line (°)	0.064	.709	1.287	.015*	0.087	0.007	.709
Molar line (°)	0.262	.286	1.057	.027*	0.244	0.060	.286
Mouth corner line (°)	0.075	.867	1.386	.003*	0.039	0.002	.867

A non-standardized regression coefficient, B constant, β standardized regression coefficient, R ² coefficient of determination

*P < .05

^aSignificance of non-standardized regression coefficient

^bSignificance of constant

^cSignificance of regression analysis