Dental Filling Prevents Plaque Build-Up

Dec-06-17 A plaque-resistant material able to kill microbes on contact could offer a more effective alternative to current options.

Plaque can accumulate on the materials used to fill cavities just as it accumulates on teeth, and then attack the neighboring tooth enamel. But drug-embedded materials that resist plaque have their own side effects.

As a drug-free alternative, researchers from the University of Pennsylvania developed a material embedded with the antibacterial agent imidazolium, which can be permanently ‘tethered’ to the structure so it does not leach out. The imidazolium kills bacteria on contact, prevent them from forming the sticky, plaque biofilm.

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