Tooth resorption (TR) is one of the most common oral pathology in feline patients with a reported prevalence of 28-67%. In the past, TR was also known as cat caries, neck lesions, cervical line lesions, pink spot of mummery, and Feline Odontoclastic Resorption Lesion (FORL). A progressive loss of tooth substance characterizes TR and it is known as a painful condition causing anorexia, ptyalism, lethargy, dysphagia, and oral sensitivity or “mouth shyness” depending on the severity. It is widely known that the treatment of TR can be either surgical extraction or intentional coronectomy (crown amputation) of the affected tooth. However, opinions on the treatment selection may be varied among small animal practitioners. This presentation is aimed to guide clinicians in understanding the American Veterinary Dental College (AVDC) classification of TR stages and types and their clinical importance in choosing the appropriate treatment option for the affected patient. Both techniques will be described along with the potential complications.