Amalgam (dentistry) on Mercury) general opinion on its safety is unlikely to change. These are some of the reasons why amalgam has remained a superior restorative material over resin-base composites. The New England Children's Amalgam Trial (NECAT), a randomized controlled trial, yielded results "consistent with previous reports suggesting that the longevity of amalgam is higher than that of resin-based compomer in primary teeth and composites in permanent teeth. Compomers were seven times as likely to require replacement and composites were seven times as likely to require repair. There are circumstances in which composite serves better than amalgam. For example, when a more
ReAction! Chemistry in the Movies by the benevolent Dr. Jekyll on one hand and the evil Mr. Hyde on the other to describe how chemists and chemistry are portrayed in the movies. There are 10 chapters, the first five of which have dark chemical themes and the second five of which have bright chemical themes. The chapter titles are: According to several reviews, the book's strength is when it explores what might be the real chemicals that inspired the fictional compounds found in certain movies. ReAction! Chemistry in the Movies ReAction! Chemistry in the Movies (2009, ) is a nonfiction book about movies, chemistry, and