Table 2. Evaluation of lower lip to Ricketts esthetic plane in preschool children with primary dentition.

X² = 12.62, P = 0.006, S

Categories	Female		Male		Total
	No.	%	No.	%	No.	%
Category I: beyond the esthetic plane	75	79.0	94	88.7	169	84.1
Category II: 0–1.5 mm behind the esthetic plane	10	10.5	11	10.4	21	10.4
Category III: 1.5–3.0 mm behind the esthetic plane	10	10.5	0	0.0	10	5.0
Category IV: >3.0 mm behind the esthetic plane	0	0.0	1	0.9	1	0.5
Total	95	100.0	106	100.0	201	100.0