Antibacterial hydrogels for potential oral and maxillofacial applications. (A) Adhesive liposome, SH-PEG, and Ag+ constructed an adhesive, self-healing, and antibacterial hydrogel (Copyright © 2022 Springer Nature Limited, Ref [184]). (B) SEM images of bacterial cells treated (right panel) with MgO NPs (Copyright © 2022 BioMed Central Ltd, Ref [196]). (C) Controlled delivery of Vancomycin via charged hydrogels for combating surgical site infections. (D) Best fit of data calculated by the phenomenological mathematical model described in the text. (C-D, Copyright © PLOS, #C2354500, Ref [197]). Bacterial membrane structures (E) and mechanisms of action of AMPs (F) (Copyright © 1996–2022 MDPI unless otherwise stated, Ref [198]).