pH of set MTA is:
Correct Answer: 12
Description: Mineral trioxide aggregate (MTA) is composed of tricalcium silicate, tricalcium aluminate, tricalcium oxide and silicate oxide.
Bismuth oxide is added to the mixture for radiopacity.
pH - 12.5 (when set).
Setting time is 2 hours 45 minutes.
Compressive strength—40 MPa (immediately after setting) which increases to 70 MPa after 21 days.
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