Periodontal effect of augmented corticotomy-assisted orthodontics versus conventional orthodontics in treatment of adult patients with bialveolar protrusion

Table 1 The changes of the root length before and after the retraction

ACAO group			Control group			d_ACAO vs d_control p
T0 Mean ± SD (mm)	T1 Mean ± SD (mm)	T1 versus T0 P	T0 Mean ± SD (mm)	T1 Mean ± SD (mm)	T1 versus T0 P	d_ACAO vs d_control p
12.69 ± 2.20	11.72 ± 2.29	0.02	13.28 ± 1.48	12.25 ± 2.36	0.005	0.912

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