الفهرس | Only 14 pages are availabe for public view |
Abstract The apical sealing ability of mineral trioxide aggregate ( MTA ) and Portland cement ( PC ) as apical plugs in an in vitro apexification model with or without prior calcium hydroxide ( CH ) intracanal medication after using ifferent irrigation regimens was evaluated in this study One hundred and twenty six , freshly - extracted ,single - canalled , human , permanent teeth with mature apices were prepared to simulate the clinical situation of an open apex |