[Comparative study on the effect of microscopic revascularization and apexification in the treatment of pulp necrosis of permanent teeth].

Purpose: To compare the curative effect of microscopic revascularization and apexification in the treatment of pulp necrosis of permanent teeth.

Methods: Seventy-five cases of pulp necrosis in young permanent teeth were divided into two groups according to different treatment methods. Group A (n=30) underwent revascularization under microscope, while group B (n=45) underwent apexification.