The stiffness of a dental gold alloy is determined by its________________?
Correct answer: B. Modulus of elasticity
- A. Proportional limit
- B. Modulus of elasticity
- C. Ultimate tensile strength
- D. Flow
Explanation
Stiffness is resistance to elastic deformation and is measured by the modulus of elasticity. Proportional limit and ultimate tensile strength describe strength limits, not elastic stiffness.
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