Periapical abscesses form at the tip of a tooth's root. Periapical abscesses are usually the result of a cavity, prior dental ...

Source: Focus Medica. A bacterial infection causing collection of pus at the root of a tooth. It occurs as a result of bacterial infection which can result from untreated cavity, injury or poor ...

with apical periodontitis, 182 (34 %) that were tender to percussion, 57 (11 %) with a periodontal pocket at least 4 mm in depth, 50 (9 %) with a sinus tract or abscess, 22 (4 %) with a C-shaped ...