Spontaneous apical closure of an avulsed immature incisor

Endodontic management of immature teeth with spontaneous apical closure and periapical lesions: case series and review of the literature

“…In all cases, favourable healing of the periapical lesions was achieved by means of biomechanical debridement and the use of calcium hydroxide as an antibacterial dressing, despite the presence of the apical barrier. This was in accordance with previously reported cases (14,16,17,19,20). Additionally, the healing of the cyst-like periapical lesion in Case 1 has resulted in the gradual repositioning of the displaced lateral incisor.…”

“…However, the exact biologic mechanism of apical closure has not yet been adequately elucidated. Review of the literature revealed relatively few case reports which demonstrated spontaneous apical closure of human immature teeth following pulp necrosis and consequent development of periradicular pathosis (14)(15)(16)(17)(18)(19)(20). Even though spontaneous apical closure cases have been reported previously, endodontic treatment has not been performed in all of those teeth.…”

“…Among 11 teeth reported in the literature, three were extracted (14,15), one had incomplete endodontic therapy (18), and one had received no treatment at all (14). Only six teeth with spontaneous apical closure were treated endodontically (14,16,17,19,20). The purpose of this article is to present three cases of spontaneous apical closure of teeth that required endodontic treatment due to pulpal necrosis and apical periodontitis, and to review previously proposed mechanisms for the occurrence of non-induced apical closure.…”