Meanwhile, officials are treating affected areas with chemicals - such as calcium and magnesium nitrates - to try to counter the alkaline effects, amid hopes that what is being described as Hungary's worst chemical accident will soon come to an end.

BBC: How toxic is Hungary's red sludge?

Having a vitamin deficiency (such as of calcium or magnesium) may be linked with teeth grinding, so it's important to follow a well-balanced, nutritious diet and take a multivitamin supplement if needed.

CNN: What can I do about teeth grinding?