What is the disadvantage of using composites as restorative material ?
Correct answer: C. Decreased wear resistance
- A. Increased thermal conductivity
- B. Decreased thermal conductivity
- C. Decreased wear resistance
- D. None of the above
Explanation
Composites generally have lower wear resistance than amalgam, particularly in high-stress or posterior applications. Their low thermal conductivity is an advantage because it reduces thermal irritation to the pulp.
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