blunderbuss apex

blun·der·buss a·pex

(blŭndĕr-bŭs āpeks)
A tooth root apex that widens at its end.
References in periodicals archive ?
Management of immature, non-vital permanent anterior teeth with blunderbuss apex include surgery, retrograde sealing, apical plug formation by dentinal chips, calcium hydroxide apexification and recently plug formation followed by obturation and coronal restoration.3,12,13