Denture acrylics contain cross-linking agents mainly to improve their_____________?
Correct answer: D. Craze resistance
- A. Internal color
- B. Tissue compability
- C. Surface hardness
- D. Craze resistance
Explanation
Cross-linking joins polymer chains into a network that resists crack initiation and propagation, thereby improving craze resistance. It does not primarily improve tissue compatibility or internal color.
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