The cement should then be light-cured for 20 to 40 seconds to ensure proper setting. What is the recommended preparation technique for using glass ionomer cement as a base or liner? Answer: The recommended preparation technique for using glass ionomer cement as a base or liner is to apply a thin layer of the cement to the prepared tooth surface, ensuring that all margins are covered.Glass ionomer cement also has good adhesion to tooth structure, making it a useful material for a variety of restorative applications. What is the main advantage of glass ionomer cement compared to other restorative materials? Answer: The main advantage of glass ionomer cement is its ability to release fluoride ions, which can help prevent further decay in the tooth.During this time, the cement becomes harder and stronger. How long does it take for glass ionomer cement to achieve its final set? Answer: Glass ionomer cement typically takes about 2-3 minutes to achieve its initial set, and 24 hours to achieve its final set.This allows for thorough mixing of the powder and liquid components and ensures proper setting of the cement. What is the recommended mixing time for glass ionomer cement? Answer: The recommended mixing time for glass ionomer cement is usually 30 to 60 seconds.The acid in the cement reacts with the glass particles to release calcium and fluoride ions, which react with the polymeric acid to form a cross-linked structure. What is the mechanism of setting for glass ionomer cement? Answer: Glass ionomer cement sets by an acid-base reaction between the glass particles and the polymeric acid.The BLUETOOTH ® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc.Sure, here are some sample board exam questions about glass ionomer with answers and explanations: The features offered in the Transit range are completed by high-quality functions such as the reality 3D view of your surroundings, Lane Assist with 3D Junction View and the BLUETOOTH ® handsfree system which even allows you to make phone calls while you are travelling. With the new Becker Transit range, navigation is now also safe and convenient for use in trucks and camper vans because it takes account of your individual vehicle data and all truck & camper-specific road information.
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