Table 5.

Comparison of bone defect depth 60 days after surgery

Items	Control group	Observation group	t	P
DD value
Baseline	3.93±1.57	3.97±1.46	0.121	0.906
60 days after surgery	2.27±1.20	1.01±0.18	6.568	<0.001
t	5.311	12.732
P	<0.001	<0.001

Note: DD: defect depth.