National Dental Examining Board of Canada (NDEB) Practice Exam 2025 – The Comprehensive All-in-One Guide to Exam Success!

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How can you increase the working time of PVS?

Freeze it

Refrigerate it

Refrigerating PVS can increase its working time compared to other methods such as freezing or heating. Freezing it can cause the PVS to become too thick and difficult to work with, while heating it can cause it to set more quickly and decrease working time. Leaving it at room temperature may not have a significant impact on working time. Therefore, refrigeration is the best option for increasing the working time of PVS.

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Heat it

Leave it at room temperature

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