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Composite Resin Restoration Assist · CDA

What potential downside should a clinician consider when using composite resin for large posterior restorations?

  1. Composite resin is unable to form any bond to dentin surfaces
  2. Polymerization shrinkage stress and possible marginal leakage in large fills
  3. Composite restorations simply cannot be polished at all after they have been placed
  4. Composite always discolors noticeably within one week of placement
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Correct answer: Polymerization shrinkage stress and possible marginal leakage in large fills

In large restorations polymerization shrinkage is more pronounced, which can cause stress at cavity walls, marginal gaps and increased risk of leakage or failure if not properly managed.

Difficulty: Medium Question 16 of 22

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