Feline odontoclastic resorptive lesions on a molar. Feline odontoclastic resorption lesion (FORL) is a syndrome in cats characterized by resorption of the tooth by odontoclasts, cells similar to osteoclasts.

In a condition known as a tooth resorption –formerly referred to as feline odontoclastic resorptive lesion (FORL) or cervical line lesion—the dentin in a single tooth (or several simultaneously) erodes and …

Feline odontoclastic resorptive lesion (FORL) is frequently detected in cats,1 and is often underdiagnosed or confused with tooth fractures or caries .2 FORL has an incidence of over 60% in …

Jun 17, 2002 · These tooth defects have been called cavities, neck lesions, external or internal root resorptions, feline odontoclastic resorption lesions (FORLs), and cervical line erosions. Tooth …

If you’re a cat owner, you might have heard the term “FORL” but wondered what it really means. Feline odontoclastic resorptive lesions, commonly known as FORL, are a painful dental condition affecting …

Jun 6, 2025 · Teeth resorption – also called feline odontoclastic resorptive lesions (FORL) – is one of the most common dental issues in cats. It's very difficult to diagnose in its early stages. While the cause …

FORL stands for feline odontoclastic resorptive lesions and is a very painful dental disease in cats. Almost every second cat is affected from the age of five. Even for veterinarians, FORL can only be …

What is a Resorptive Lesion? A resorptive lesion is a dental abnormality technically referred to as feline odontoclastic resorptive lesion (FORL), or more recently as tooth resorptions (TRs). These lesions …

May 24, 2006 · Feline odontoclastic resorption lesions (FORLs) are a common (20-75%) dental disease in cats over 4 years of age.

FORL are the result of destruction of the root surface by odontoclasts. As already mentioned, the factor or factors that initiate the resorption are unknown. Once developed, resorptive lesions have been …