The PD and GCF-ALP of control group detected in 6 and 12 months after operation had no significant differences compared with those detected before operation(P>0.05).
对照组在修复后6个月和1年检测的PD值和龈沟液ALP值与修复前比较，无显著性差异（P>0.05）；
The PD and GCF-ALP of control group detected in 6 and 12 months after operation had no significant differences compared with those detected before operation(P>0.05).
对照组在修复后6个月和1年检测的PD值和龈沟液ALP值与修复前比较，无显著性差异（P>0.05）；
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