So here is the link of cavitations and pine bark and grape seed extract.

**
Composites Are Strong – and May Get Even Stronger (and You Can Thank Nature for That) - **
You often hear dentists who use mercury amalgam insist that fillings made with the stuff last longer than fillings made with tooth-colored composite. Of course, if that were true, it would be all the more reason to avoid them! Think of all the extra years of inhaling the vapors constantly...
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Read thoroughly.