According of ADA specification No or number 1, the minimum compressive strength for silver amalgam filling aftr one hour should be________________?
Correct answer: A. 80 Mpa
- A. 80 Mpa
- B. 140 Mpa
- C. 260 Mpa
- D. 510 Mpa
Explanation
ADA Specification No. 1 requires silver amalgam to develop a minimum compressive strength of about 80 MPa after one hour. The higher values apply to later strength testing, especially after 24 hours.
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