Calculus, commonly referred to as tartar, is defined as calcified dental plaque that adheres firmly to the enamel surface of the teeth. It forms when mineral salts (calcium and phosphate) naturally present in the saliva precipitate into the soft bacterial biofilm known as plaque, hardening it into a cement-like deposit. Once formed, this rough material cannot be removed by brushing and provides an ideal lattice structure for further bacterial growth. In the Chronic Kidney Disease (CKD) patient, heavy calculus is a critical reservoir for pathogenic bacteria. This bacterial load drives chronic gingivitis and periodontal disease, creating a constant source of systemic inflammation. Furthermore, the inflamed gums allow bacteria to enter the bloodstream (bacteremia), creating a risk of infection traveling to the already compromised kidneys. Management necessitates professional veterinary cleaning (scaling) under anesthesia to mechanically remove the hardened deposits and reduce the systemic bacterial burden.
Disclaimer: This content is for educational purposes only and does not constitute veterinary medical advice. Always consult with your primary care veterinarian or a veterinary internal medicine specialist regarding your cat’s specific condition.