Methods that conserve or semi-conserve a dental restoration during removal often risk harming the underlying tooth. Researchers in the U.S. and Poland reviewed the current literature on erbium laser-assisted ceramic debonding to identify the parameters needed for safe application of this method.
Read MoreARPA-E announced $31.6 million in awards to develop new, rare-earth-free permanent magnet materials. Credit: ARPA-E Rare earth permanent magnets are key components in electric vehicle motors and in wind turbine…
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