Believe it or not, the amalgam filling has a more than 150 - year proven track record. It is still one of the most reliable, predictable and safe materials with which to fill a cavity.
Studies over the past thirty years have shown composite resin to be a safe restorative material. There is no scientific evidence that composites cause adverse health effects in the general population.
But Composite fillings more costly than amalgam filling because need the technique for plancing them is much more demanding and more time to place. If you are thinking to replace your old filling to composite filling, it costs $80 and above.
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