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Is it true that metal fillings on the teeth are not good?
Vincecassidy76
Metal fillings can lead to cracked teeth over time because they expand. They contain small amounts of Mercury, which is quite toxic. Indeed, many dentists now won't use amalgam because of the mercury component. On the other hand, white fillings are usually made of plastic and glass particles - they are mercury free and because they bond to the tooth they actually restore much of its original strength.
Wiki User
∙ 13y ago
Wiki User
∙ 6y agoIf a dentist removes them (e.g. to replace them, to put on a crown), then yes. This is quite common.
If you remove them, then no as the cavity will get reinfected!
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