title: Use of a matrix for apexification procedure with mineral trioxide aggregate.
abstract: This articles describes a technique for placement of a matrix barrier prior to use of mineral trioxide aggregate (MTA) as an artificial root-end barrier. The technique also demonstrates the use of a delivery system utilizing large-bore needles for the predictable and precise placement of the barrier materials at the apex of the tooth.
authors.affiliation: Department of Conservative Dentistry and Endodontics, MA Rangoonwala Dental College, Pune, India.
authors.forename: Roheet A
authors.initials: RA
authors.lastname: Khatavkar
authors.forename: Vivek S
authors.initials: VS
authors.lastname: Hegde