[Retracted] Effect of Platelet-Rich Plasma on Bone Healing in Immediate Implants Analyzed by Cone Beam Computerized Tomography: A Randomized Controlled Trial

Table 1

Comparison of bone loss at mesial and distal sites and bone mineral density between the two groups at different times.

Variable	Change between	Group				value
		Control		PRP
		Mean	SD	Mean	SD
Measurement of bone loss at mesial site	Baseline–12 wk	0.37	0.80	0.03	0.08	0.461^a
	Baseline–26 wk	0.43	0.77	0.07	0.10	0.212^a
	12–26 wk	0.07	0.10	0.03	0.08	0.523^a
Bone loss at distal site	Baseline–12 wk	0.07	0.10	0.07	0.16	0.673^a
	Baseline–26 wk	0.17	0.20	0.07	0.16	0.290^a
	12–26 wk	0.10	0.17	0.00	0.00	0.140^a
Bone mineral density	Baseline–12 wk	69.25	65.46	28.37	83.74	0.368^b
	Baseline–26 wk	378.27	270.86	233.10	212.08	0.326^b
	12–26 wk	309.02	234.53	204.73	159.30	0.389^b

^aThe value is calculated by Mann–Whitney test. ^bThe value is calculated by independent sample -test. SD: standard deviation.