MTA is used for root canal perforation, root end resection, apexification, pulp capping & pulpotomy.
INDICATIONS:
Treatment of perforations of root canal and furcation caused iatrogenically or by caries lesion
Via canal treatment of root perforation due to internal resorption
Surgical treatment of root perforation due to internal resorption
Periapical surgery with reverse filling
Pulp capping
Pulpotomy (removal of affected coronal pulp to preserve vitality of remaining pulp tissue)
Apexogenesis (induction of root development in vital teeth with an inflamed coronal pulp)
Apexification (induction of formation of a mineralized barrier at the root tip of young permanent teeth with incomplete root development and a necrotic pulp)