Researchers have uncovered a surprising reason dental implant infections often resist antibiotics: the implants themselves can contribute to the problem. Bacteria corrode titanium implants, releasing microscopic particles that hijack immune cells, trigger destructive inflammation, and accelerate jawbone loss. Dental implants can hijack your immune system, scientists discover.
An estimated 10% to 20% of implant patients eventually develop peri-implantitis, a serious infection that damages the surrounding jawbone. Antibiotics frequently fail to control this condition, and scientists have struggled to understand why. Now, researchers believe they have uncovered the mechanism responsible.
A new study published in PNAS Nexus by scientists at the Rutgers School of Dental Medicine reveals that bacteria can gradually corrode dental implants, releasing microscopic titanium particles into nearby tissues. These particles interfere with the immune cells responsible for fighting infection, trapping them in a state of excessive inflammation that progressively destroys jawbone. The researchers examined human tissue samples, studied human immune cells in the laboratory, and conducted experiments using genetically engineered mice.
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