Composite Resin Restoration Assist · CDA

Which statement about composite resin restorations is correct regarding tooth structure conservation compared to amalgam restorations?

  1. Composite always requires removing more tooth than an amalgam preparation would
  2. Composite bonds adhesively and often preserves more healthy tooth structure
  3. Composite cannot be used in small or shallow cavities
  4. Composite needs extensive retentive features such as undercuts and grooves
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Correct answer: Composite bonds adhesively and often preserves more healthy tooth structure

Because composites bond to tooth structure, they typically require less removal of healthy enamel or dentin compared to amalgam, preserving more natural tooth.

Difficulty: Medium Question 11 of 22

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