The most common type of dental abscess is a periapical abscess. It has been shown that endodontic infection comprises of a complex mixture of bacterial species. Fungi are oral commensal and causes wide variety of infections in human beings. The aim of this study was to identify species of the genus Candida and various aerobic bacterial species in clinically symptomatic patients having pulp necrosis with chronic endodontic periapical abscess, with radiographic images. | Evaluation of aerobic oral microbial flora pattern in necrotic pulp with chronic periapical abscess and oral mucosa