Researchers at the University of Pennsylvania have developed an antibacterial resin for dental procedures such as cavity fillings. They hope that the material can provide improved fillings that resist tooth decay and last longer. Conventional materials for dental fillings are prone to being covered in plaque, a sticky biofilm that can lead to tooth decay and filling failure. Researchers at the University of Pennsylvania are working on developing something better. “Dental biomaterials such as these,” said Geelsu Hwang, a researcher involved in the study, “need to achieve two goals: first, they should kill pathogenic microbes effectively, and, second, they need to withstand severe mechanical stress, as happens when we bite and chew.” Hwang and his colleagues have developed a new dent…
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