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  • Title: Plaque accumulation on crowns made of various materials.
    Author: Adamczyk E, Spiechowicz E.
    Journal: Int J Prosthodont; 1990; 3(3):285-91. PubMed ID: 2083016.
    Abstract:
    The rate of plaque accumulation on various materials used for fixed prostheses was investigated, and the composition of plaque formed on each surface was evaluated. Enamel, metal, acrylic resin, and porcelain surfaces were studied. Amounts of plaque that formed on the teeth and fixed restorations were scored using the method of Silness and Loe. Different individuals formed plaque at different rates, and the character and quantity of the plaque was different on the various materials. In a second study, acrylic resin, metal, and porcelain crowns were made for each of 10 patients. The amount of plaque absorbed onto each material after 1, 3, and 24 hours was recorded using scanning electron microscopy. The samples of dental plaque at 24 hours on each type of crown material were collected and investigated in a CHN Analyzer 184, revealing differences in the chemical composition of plaque adsorbed onto different surfaces. The results of SEM examination and biochemical analysis are presented.
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