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Zinc polycarboxylate cement is an alternative dental cement that chemically bonds to teeth. It is composed of a powder containing zinc oxide, magnesium oxide, and other compounds, and a liquid containing polyacrylic acid. The acid-base setting reaction involves the zinc oxide particles releasing ions that crosslink with the carboxyl groups of the polyacrylic acid, bonding it to the tooth structure. It has better biocompatibility than phosphoric acid based cements due to its larger acid molecules and chemica

Author

eslamezzat21061990

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EN