Fig. 6

Atomic concentration of (A) C1 and (B) O1s on implant surfaces for control, plasma-treated under 16 Torr, and plasma-treated under 5 Torr conditions. For both the 16 Torr and 5 Torr conditions, the plasma treatment time was 10 s. [**P < 0.01, ***P < 0.001, n.s.(not significant) > 0.05].