Resorption lesions are also known as cervical line lesions or neck lesions and often result in tooth loss. (oliveshope.org)
• Feline resorptive (neck) lesions: «Cavities» that form at the gumline (gingiva) are called cervical line lesions or neck lesions. (cathospitalofchicago.com)
Beard G, Emily P, Mulligan T, Williams C. Cervical line lesions: Gingivitis / stomatitis complex. (norwalkanimalhospital.com)