7. Which pulpal or periapical disease is defined below? "In these conditions, an apical radiolucent lesion is evident radiographically and associated with a necrotic pulp. The lesion is typically associated with one or more roots of the tooth and occasionally extends to the furcation area as well." a. Symptomatic apical periodontitis b. Asymptomatic apical periodontitis c. Condensing osteitis d. Pulpitis e. Chronic apical abscess