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Key Facts

• Previously called FORLs, cavities, neck lesions, cervical line erosions
• Lower premolars and molars are most commonly affected
• Cause is unknown; theories include autoimmune response and calcium regulation imbalance
• Five stages: Stage 1 (enamel only) through Stage 5 (mostly resorbed, just a gum-covered bump)
• Three types determining treatment approach, assessed by dental X-rays
• Signs: jaw spasms when gumline is touched, salivation, bleeding, difficulty eating
• Most cats hide their pain; veterinary diagnosis is essential
• Treatment: extraction of affected teeth (partial or full depending on type)
• Dental X-rays are essential for diagnosis and treatment planning
• Species: primarily cats; less common in dogs