Brinnel hardness number of a dental gold alloy is directly proportional to its______________?
Correct answer: A. Tensile strength
- A. Tensile strength
- B. Elongation
- C. Modulus of elasticity
- D. Modulus of resilience
Explanation
For dental gold alloys, hardness generally rises with tensile strength because both increase with strengthening of the alloy. Elongation usually decreases as strength and hardness increase, so it is not directly proportional.
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