Properties
Ø ph initial 10.2 & rises to 12.5 when set
Ø Highly alkaline
Ø Setting Time is 2 hrs 45min
Ø Compressive strength 40 mpa immediately
& 70 mpa after 21days
Ø MTA has calcium oxide which reacts with water to form calcium hydroxide
Ø This causes formation of calcite crystals & & fibronectin
Ø These act as initiating step for hard tissue barrier formation
Ø Fibronectin promotes cellular adhesion & differentiation
Uses
Ø Repair of perforation
Ø Root end filling material
Ø Pulp capping agent
Ø Apexification
Ø Apical third filling material
Ø Obturating material
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