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What type of material is Ketac Cement classified as?
Composite Resin
Glass Ionomer
Amalgam
Resin Ionomer
The correct answer is: Glass Ionomer
Ketac Cement is classified as a Glass Ionomer material. Glass Ionomer cements are characterized by their ability to chemically bond to both enamel and dentin, which is a crucial feature for many dental applications. They are made from a mixture of glass powder and organic acid, which results in a material that releases fluoride over time, providing additional benefits for caries prevention. This classification is significant because Glass Ionomer materials are commonly used for restorative procedures, as well as for luting cement for crowns and bridges, due to their excellent adhesion properties. Their ability to release fluoride helps in protecting teeth from decay, making them an advantageous choice in restorative dentistry, especially for patients at high risk for caries. Composite Resin, Amalgam, and Resin Ionomer are distinct categories of dental materials, each with unique properties and indications for use, but they do not possess the same chemical bonding capabilities and fluoride release characteristics as Glass Ionomer materials like Ketac Cement.