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Dental implants can hijack your immune system, scientists discover

For tens of millions of people, dental implants have provided a way to replace missing teeth with a full set of fixed, functional teeth rather than removable dentures. However, 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.

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One of Earth’s most powerful supervolcanoes is refilling with fresh magma

Deep beneath Japan’s Kikai caldera, a massive magma reservoir is refilling 7,300 years after one of the most powerful volcanic eruptions in Earth's recent geological history. Scientists used underwater seismic surveys to reveal a vast store of magma that appears to have accumulated since the ancient catastrophe. The discovery could help explain how supervolcanoes like Yellowstone and Toba rebuild their magma supplies.

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