Table 5.

Statistic analysis of the width of radiolucency according to the Pell and Gregory and final Winter’s classification at T1

	Width of radiolucency
Variable	Average	Median	SD	CV	Minimum	Maximum	p value
• Pell & Gregory—vertical at T1
A	1.35	1.41	0.89	65.93	0.00	3.13	p a = 0.014*
B	1.98	1.83	0.61	30.81	0.93	3.39

Obs.: p = 0.014*a

*Significant difference at 5 %

^aThrough the Student’s t test with equal variances