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Tooth Resorption
Tooth resorption (TR) is a painful feline dental condition where the tooth structure is progressively destroyed, starting at the gumline. Over 50% of cats older than three years are affected.
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