Table 5.

The differences of keratinized gingiva width (mm) before PAOO and 6-month after surgery at different jaw

	maxilla			mandible			P
Measurement levels	T0	T1	Difference(T1-T0)	T0	T1	Difference(T1-T0)
central incisors	4.64 ± 1.03	5.58 ± 0.86	0.93 ± 1.25***	3.63 ± 1.19	4.74 ± 0.78	1.01 ± 1.26***	0.431
lateral incisors	4.40 ± 1.17	5.60 ± 0.92	1.21 ± 1.64***	3.76 ± 1.01	4.80 ± 0.85	1.07 ± 1.10***	0.590
canines	4.44 ± 1.25	5.12 ± 1.08	0.78 ± 1.45***	3.26 ± 1.10	4.41 ± 1.06	1.15 ± 0.97***	0.066
total sited	4.47 ± 1.16	5.41 ± 0.98	0.94 ± 1.43***	3.55 ± 1.12	4.64 ± 0.92	1.11 ± 1.11***	0.184

Data are presented as mean ± SD/N

T0 before periodontally accelerated osteogenic orthodontics surgery, T1 6 months after surgery

^***P < 0.001