The process of induced root development to encourage the formation of a calcified barrier in a tooth with immature root formation or an open apex. May involve the placement of an artificial apical barrier prior to nonsurgical endodontic obturation.
Induced tooth root development or closure of the root apex by hard tissue deposition. ... (05 Mar 2000) ... 
Type: Term Pronunciation: ā-pek′si-fi-kā′shŭn Definitions: 1. Induced tooth root development or closure of the root apex by hard tissue deposition.
apexification Induced tooth root development or closure of the root apex by hard tissue deposition.