Effects of Cold-Light Bleaching on Enamel Surface and Adhesion of Streptococcus mutans

Figure 5

SEM images of biofilms. (a–f) Biofilms incubated for 1 day. (a, c, e) On unbleached, cold-light bleached (CLB), and hydrogen peroxide bleached (HP) enamel (×10,000 original magnification). (b, d, f) On unbleached, CLB, and HP enamel (×20,000 original magnification). (g–l) Biofilms incubated for 3 days. (g, i, k) On unbleached, CLB, and HP enamel (×10,000 original magnification). (h, j, l) On unbleached, CLB, and HP enamel (×20,000 original magnification).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)