All-porcelain & porcelain fused to metal (or PFM) crowns usually last for 5 – 15 years. On the other hand, metal crowns might last for 20 years or even longer.http://delhidentist.co/pfm-crowns.php A gold crown and zirconia crown can last for a lifetime. Note: Most insurance companies will pay if your crown needs to be replaced after 5 years.
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