Function of carnauba wax_________________?
Correct answer: D. Decrease flow at room temperature
- A. To provide a smooth and glossy surface
- B. Increase toughness
- C. Decrease toughness
- D. Decrease flow at room temperature
Explanation
Carnauba is a hard, high-melting wax added to reduce the flow of dental wax at room or oral temperature and improve its rigidity. Its high hardness can also contribute to a glossy surface, but reduced flow is the key listed function.
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