objective: resin cements, regardless of their biocompatibility, have been widely used in restorative dentistry during the recent years. these cements contain hydroxy ethyl methacrylate (hema) molecules which are claimed to penetrate into dentinal tubules and may affect dental pulp. since tooth preparation for metal ceramic restorations involves a large surface of the tooth, cytotoxicity of thes...

On January 29, 2009, the federal government again proposed the Canada Consumer Product Safety Act (CCPSA), this time as Bill C-6. The CCPSA was first proposed by the Harper government in April 2008, following several high profile recalls and concerns about the health and safety risks of consumer products imported and/or sold in Canada. Bill C-52, as it was known then, died when the Canadian fed...

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