Progress in Orthodontics

Table 6 The teeth movement of maxillary anterior teeth in LBF group

From: Long-term bone remodeling of maxillary anterior teeth with post-treatment alveolar bone defect in adult patients with maxillary protrusion: a prospective follow-up study

	T2–T1			T3–T2
	Mean	SD	p	Mean	SD	p
Maxillary central incisor
Incisal edge-sagittal (mm)	− 6.260	1.932	0.002^**	0.740	0.439	0.020^*
Incisal edge-vertical (mm)	0.360	0.777	0.358	− 0.400	0.173	0.007^**
Root apex-sagittal (mm)	− 0.020	1.674	0.980	0.180	0.460	0.431
Root apex-vertical (mm)	0.280	1.901	0.758	− 0.380	0.390	0.095
Maxillary lateral incisor
Incisal edge-sagittal (mm)	− 5.580	1.743	< 0.001^***	0.250	0.280	0.020^*
Incisal edge-vertical (mm)	0.020	1.110	0.956	− 0.210	0.328	0.074
Root apex-sagittal (mm)	− 0.700	1.534	0.183	0.290	0.303	0.014^*
Root apex- vertical (mm)	0.210	1.575	0.683	0.080	0.434	0.574
Maxillary canine
Cusp tip-sagittal (mm)	− 5.355	1.067	< 0.001^***	0.305	0.427	0.005^**
Cusp tip-transversal (mm)	0.940	0.843	< 0.001^***	− 0.090	0.578	0.495
Cusp tip-vertical (mm)	0.365	1.135	0.167	− 0.140	0.437	0.168
Root apex-sagittal (mm)	− 1.890	1.790	< 0.001^***	0.495	0.474	< 0.001^***
Root apex-transversal (mm)	1.525	1.655	0.001^**	− 0.215	0.461	0.051
Root apex-vertical (mm)	− 0.310	1.422	0.342	− 0.190	0.422	0.058

Positive values indicate labial, extrusive and buccal teeth movement. Negative values indicate lingual, intrusive and palatal teeth movement
^*P < 0.05; ^** P < 0.01; ^*** P < 0.001

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