Effect of Cyclic Precalcification of Nanotubular TiO₂ Layer on the Bioactivity of Titanium Implant

Figure 4

FE-SEM images after immersion in the SBF solution for 3 days. (a) Noncyclic-precalcified (CIT) group; (b) magnification of point A; (c) cyclic-precalcified (AIT) group; (d) magnification of point B.

(a)

(b)

(c)

(d)