[Retracted] The Efficacy of Orthodontics plus Implant Anchorage in Orthodontic Treatment: A Randomized Controlled Study

Table 2

Comparison of clinical indexes after treatment (x ± s).

Group	Gingival attachment level (mm)	Plaque index	Periodontal probing depth (mm)	Gingival bleeding index
Control group (n = 45)	3.35 ± 0.84	1.23 ± 0.37	2.89 ± 0.62	1.91 ± 0.57
Observation group (n = 45)	2.39 ± 0.68	0.69 ± 0.21	2.27 ± 0.43	0.54 ± 0.16
t	5.959	8.515	5.512	15.520
	<0.001	<0.001	<0.001	<0.001