Dental, skeletal and soft tissue changes after bimaxillary protrusion treatment with temporary anchorage devices using different retraction mechanics

Table 3 Vertical cephalometric measurements

Variable	T0			T1			Significance of T0 vs. T1		T1–T0
Variable	Loop Mean SD	Sliding Mean SD	Sig.	Loop Mean SD	Sliding Mean SD	Sig.	Loop	Sliding	Loop Mean SD	Sliding Mean SD	Sig.
U1 edge to PP (mm)	33.1 (2.3)	31.3 (1.9)	NS	31.8 (3.1)	32.0 (1.6)	NS	NS	NS	−1.3 (1.8)	0.7 (1.5)	*
L1 edge to MP (mm)	48.6 (3.3)	48.0 (3.8)	NS	45.9 (3.2)	43.9 (4.2)	NS	NS	*	−2.7 (2.3)	−4.1 (1.5)	NS
FH to Occ. P (°)	7.2 (4.0)	8.5 (2.5)	NS	7.6 (3.9)	12.0 (4.6)	*	NS	NS(p = 0.053)	0.3 (2.3)	3.5 (2.6)	**

ISSN: 1472-6831