Setting time of MTA is:
Mineral trioxide aggregate (MTA) was developed by Dr Torabinejad.
Setting time is 2 hours and 45 minutes.
Ref : Textbook of endodontics, Nisha Garg and Amit Garg, 3rd edition, pg no:551
60 + - 5 minutes
120 + - 5 minutes
165 + - 5 minutes
30 + - 5 minutes