Table 1.

Criteria for diagnosing malocclusion.

	Criteria	Normal	Malocclusion
1	Correlation with R6	I	I, II, III
2	Crown angulation	2.79 ± 1.29 mm (1.5–4.08 mm)	<1.5 mm or > 4.08 mm
3	Crown inclination	2.89 ± 1.45 mm (1.44–4.34 mm)	<1.44 mm or > 4.34 mm
4	Rotation	None	Yes
5	Spaces	None	Yes
6	Flat occlusal planes	None	Yes