Research Article

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

Figure 1

(a) 1H NMR spectrum of SBSi; (b) 1H NMR spectrum of HPSi; (c) SEM images. The coating thickness gradually increases from left to right. The scale was shown in the pictures; (d) WCA of SST, HPZP@SST, and HPZP-Ag@SST. n = 3, each sample is tested three times.
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