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

Table 3 The changes of the width of keratinized gingiva before and after the treatment

ACAO group			Control group			d_ACAO versus 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 versus d_control P
2.42 ± 1.60	2.90 ± 0.91	0.046	2.47 ± 1.43	2.02 ± 1.02	0.050	0.006

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