What is the purpose of applying a cavity varnish or liner prior to placing amalgam in deep cavities?
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Correct answer: To seal dentinal tubules, reducing micro-leakage and post-operative sensitivity
A varnish or liner seals dentinal tubules and protects the pulp from thermal, chemical, or moisture effects of amalgam, reducing post-operative sensitivity and micro-leakage.
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More Amalgam Restoration Assist questions
- Which of the following is a common error when placing amalgam that may lead to marginal breakdown over time?
- Which instrument is used to carve proximal anatomy and remove excess amalgam adjacent to a matrix band?
- Why is it recommended to layer amalgam in increments rather than fill the cavity in one bulk mass?
- Which risk is associated with dental amalgam if not handled or triturated properly?
- Which of the following describes an ideal time for performing occlusal adjustment on a newly placed amalgam restoration?
- Which property of modern high-copper dental amalgams improves their performance compared to older low-copper alloys?