Stronger material for filling dental cavities has ingredients from human body

Scientists in Canada and China are reporting development of a new dental filling material that substitutes natural ingredients from the human body for controversial ingredients in existing `composite,` or plastic, fillings. The new material appears stronger and longer lasting, as well, with the potential for reducing painful filling cracks and emergency visits to the dentist, the scientists say. Their study appears in the current edition of ACS Applied Materials & Interfaces.

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