Table 4. Intragroup comparison for root positions.

	Palatal/lingual		Labial		t-value	p-value
	Mean	SD	Mean	SD
Maxillary (class I)	4.0000	0.94281	3.8500	0.88349	−0.537	0.026*
Mandibular (class I)	3.4000	0.69921	2.9000	0.56765	−3.000	0.015*
Maxillary (class II)	4.0500	0.49721	4.1500	1.15590	0.264	0.047*
Mandibular (class II)	3.3000	0.82327	3.7500	1.75198	0.850	0.035*
Maxillary (class III)	4.5000	0.97183	3.2500	0.97895	−3.822	0.004*
Mandibular (class III)	3.5500	1.01242	3.1000	0.73786	−1.221	0.023*