Compare to conventional amalgams, spherical amalgams_______________?
Correct answer: D. None of the above
- A. Require more mercury
- B. Require heavy compection forces
- C. Have longer setting times
- D. None of the above
Explanation
Spherical alloys usually need less mercury and less condensation force than conventional lathe-cut alloys, and they do not characteristically have longer setting times. Therefore none of the first three statements is correct.
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