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mineral trioxide aggregate


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(MTA)

An endodontic cement composed of tricalcium silicate, dicalcium silicate, tricalcium aluminate, tetracalcium aluminoferrite, calcium sulphate, and bismuth oxide used as a retrograde root filling material in root end preparations, for pulpotomies, pulp capping, or for root perforations. It is an antimicrobial, alkaline powder mixed with water to make a grainy paste with a pH of 11.5–12.5.

Further Reading:

Bortoluzzi E. A., Broon N. J., Bramante C. M., Garcia R. B., de Moraes I. G., Bernardineli N. Sealing ability of MTA and radiopaque Portland cement with or without calcium chloride for root-end filling. J Endod 2006;32(9):897–900.

Subjects: Dentistry.


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