Table 5: MBL of each prosthesis group at prosthetic loading and 5years after implant installation.

Time(T) after implantation

The mean marginal bone loss (MBL)*

(T1) 3 months after implant installation

0.31 ± 0.22

(T2) after prosthesis loading

0.49 ± 0.21

(T3) 1- year after implant installation

0.81 ± 0.42

(T4) 3- years after implant installation

1.13 ± 0.54

(T5) 5- years after implant installation

1.42 ± 0.53