Description

The image is a detailed cross-sectional visualization that captures the pathological progression from carious decay to acute apical periodontitis. It shows the necrotic pulp tissue within the root canals, characterized by the breakdown of cellular structure and absence of vascular supply. Clinically, this condition correlates with intense, localized pain that worsens with pressure, thermal stimuli, or lying down, reflecting the confined nature of the inflammation within rigid bony structures. This image provides an excellent educational snapshot of the anatomical and pathological interplay underlying acute apical periodontitis.