Table II.

Reliability of calculations on photographs in quantitative variables

Variable	RELIABILITY
	Operator A	Operator B	Inter-operator
Philtrum height, rest	0.965	0.984	0.987
Commissure height, rest	0.991	0.996	0.995
Philtrum, commissure difference, rest	0.996	0.996	0.998
Interlabial gap, rest	0.993	0.999	0.985
Upper incisor exposure, rest	0.997	0.998	0.998
Philtrum height, smile	0.968	0.951	0.997
Commissure height, smile	0.997	0.937	0.885
Philtrum, commissure difference, smile	0.995	0.991	0.932
Interlabial gap, smile	0.983	0.981	0.967
Upper incisor exposure, smile	0.975	0.974	0.993
Lower incisor exposure, smile	1	0.997	0.975
Smile symmetry, right	0.942	0.990	0.961
Smile symmetry, left	0.970	0.970	0.966
Smile width	0.989	0.992	0.986
Smile index	0.995	0.997	0.970
Buccal corridor, right	0.962	0.973	0.963
Buccal corridor, left	0.782	0.980	0.929
Buccal corridor ratio	0.870	0.862	0.902
Incisor inclination	0.913	0.943	0.824
overjet	0.987	0.993	0.994
Upper dental midline angulation	0.960	0.998	0.953
Upper dental midline deviation	0.980	0.980	0.960
Gingival display, smile	0.997	0.996	0.994