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Students at the University of Washington School of Dentistry will no longer practice root canals on dental molds clamped to work benches or held in the palms of their hands. Instead, students will perfect dental techniques on their own “patients”– dental simulators designed to provide a state-of-the-art learning environment that most closely resembles a real-life clinical setting.

Nearly 150 years since dentists started using mercury in fillings, researchers at the University of Washington School of Dentistry are beginning one of the first studies specifically aimed at determining whether such fillings are safe for children.