- apexification
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n.a procedure to allow the end of the root of an immature tooth to form a hard tissue barrier following traumatic injury that has caused the pulp to die.* * *
apex·i·fi·ca·tion (a-pek″sĭ-fĭ-kaґshən) treatment of an immature tooth whose pulp has died by creating an environment that encourages a calcified barrier to form over the open apex; done by cleaning the tooth and applying a paste.
Medical dictionary. 2011.