products results both in specific and nonspecific immune responses. Many studies have
reported quantitative analysis of the immunocompetent cells in periapical lesions, but the
exact ratio of these cells in cysts and granulomas remains unknown. In the present study, we
undertook a quantitative analysis of CD68+ cells and CD8+ T cells in human periapical
granulomas and cysts. Immunoperoxidase staining revealed that CD68+ cells were present …