For dental amalgam, the elastic modulus and tensile strength is______________?
Correct answer: C. 21 Gpa and 27 - 55 Mpa
- A. 40 Gpa and 60 - 100 Mpa
- B. 350 Gpa and 10 - 120 Mpa
- C. 21 Gpa and 27 - 55 Mpa
- D. 360 Gpa and 125 - 130 Mpa
Explanation
Dental amalgam has an elastic modulus of roughly 21 GPa and a tensile strength commonly reported in the range of about 27 to 55 MPa. Its high compressive strength should not be confused with high tensile strength.
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