Tainted dog food, tainted milk and now possibly tainted dental implants
Some dental crowns and and bridges from China, among other countries may be tainted with lead. "CBS investigative reporters in Columbus, Ohio, purchased 13 crowns from labs in China, Thailand and the U.S. Ten of those crowns tested positive for lead at levels ranging from 110 parts per million to 240 parts per million". Read the news article here .