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What is the Dycal instrument used for in dentistry?

  1. To carve amalgam in proximal areas

  2. To mix and place cavity liner

  3. To place a base or temporary filling

  4. To examine teeth and check for decay

The correct answer is: To mix and place cavity liner

The Dycal instrument is specifically designed for the mixing and placement of cavity liners, such as calcium hydroxide. This instrument aids dental professionals in applying precalibrated amounts of material needed for lining cavities during restorative procedures. Cavity liners serve several purposes, including protecting the dental pulp from thermal shock, maintaining the pulp's health, and providing a barrier against microbial invasion. Thus, the correct answer highlights the primary role of the Dycal instrument in ensuring efficient and effective placement of these vital dental materials. Other options describe functions or tools that are not related to the specific capabilities of the Dycal instrument, reinforcing the correctness of the chosen answer.