Clinical Evaluation for Space Maintainer after Unilateral Loss of Primary First Molar in the Early Mixed Dentition Stage

Table 2

Age, facial skeletal pattern, and space loss.

Variable	Minimum	Maximum	Mean	Std. deviation
Age (years)	6	8	7.30	0.678
Time since extraction (months)	6	24	13.54	6.28
Facial width/height ratio (mm)	0.74	0.96	0.81	0.05
Crowding (mm)	0	4.80	0.99	1.44
Midline deviation (mm)	0	2	0.51	0.71
Space loss (mm)	0.10	3.30	1.36	0.78