Research Article

Application of an Antibacterial Coating Layer via Amine-Terminated Hyperbranched Zirconium–Polysiloxane for Stainless Steel Orthodontic Brackets

Figure 5

SEM pictures of HPZP@SST and HPZP-Ag@SST after cocultured with S. aureus, E. coli, and S. mutans for 24 hr. The scale was shown in the pictures.