Fig. 6

Light microscope images (magnification × 4 and × 10, higher-magnification images of the boxed areas). Light microscope images at 2 and 4 weeks after the implantation of the diabetes mellitus (DM) group. The micrographs show the bone response for the untreated (a, c, e, g) and ultraviolet (UV)-treated implants (b, d, f, h). A sample of the 2-week untreated group is shown in a and c, and sample from the 2-week UV-treated group is shown in b and d. One sample of the 4-week untreated group is shown in e and g, and a sample of the 4-week UV-treated group is shown in f and h. Scale bar: 100 μm