Antimicrobial Effect of a Peptide Containing Novel Oral Spray on Streptococcus mutans

Figure 4

Scanning electron microscopy observation of S. mutans biofilm formed after 24 h of incubation. (a) and (c) were taken from the untreated control group, while (b) and (d) represented the group treated with 1/2 MIC concentration of GERM CLEAN. (a) and (b) 5000x; (c) and (d) partially magnified (20000x) from the red circles in (a) and (b), respectively.

(a)

(b)

(c)

(d)