Define feline odontoclastic resorptive lesion (FORL) and describe its typical radiographic features.

• A. FORL is cervical tooth resorption due to odontoclastic activity; radiographs show irregular radiolucent lesions at the cementoenamel junction that may extend onto the root, with loss of tooth structure and sometimes widening of the periodontal ligament space.
• B. FORL is apical resorption near the root apex with radiolucent lesions.
• C. FORL is enamel hypoplasia presenting as radiopaque cervical lines.
• D. FORL is a periodontal pocket formation due to plaque accumulation.

Answer: (A)