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Tooth fillings are often made of gold or porcelain because those materials are not what?
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2 votes
Tooth fillings are often made of gold or porcelain because those materials are not what?

User Inforedaster
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2 Answers

5 votes
Tooth fillings are often made of gold or porcelain because these materials are
nonreactive means that they don't corrode or rust and they are resistible to staining
Their thermal conductibility is low

chemically similar to teeth
User Evil Dog Pie
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8.2k points
2 votes
they do not rust or corrode and they don't have led in them. Porcelain and gold are also used because they have a high stain resistance.
User Anilkumar
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8.5k points
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