Glass jars are routinely used as molds for embedding hard tissue specimens such as bone and metal prostheses in polymethylmethacrylate. Our laboratory has successfully adopted the routine use of polypropylene disposable containers as the standard polymethylmethacrylate embedding mold. Polypropylene is less expensive and safer to use than glass, and the polymerization of the embedding medium is controlled, predictable, and fast. (The J Histotechnol 13:131, 1990).
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Sanderson et al. (1990) studied this question.
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