the answer to both questions depends on who you ask. A few of the people on the side that claims they are very toxic and bad for your health are:
Dr Hal Huggins (Books It's all in your head and un-informed consent)
George Meinig (Root Canal Coverup) - although i have not read this book
aertsniddam wrote:
What do you do re: root canaled teeth?
What impact do they have on cancer?
Thank you in advance,
Martine