Chronic kidney disease (CKD) is a progressive and irreversible decline in the function of many nephrons and glomerular filtration rate due to kidney diseases. This decline leads to increased serum levels of urea and creatinine. Patients with CKD often exhibit various oral manifestations, such as an ammonia-like odor, gingival enlargement due to drug therapy, enamel hypoplasia, dental calculus, dry mouth, uremic stomatitis, and oral mucosal lesions. Interestingly, children with CKD tend to have a lower prevalence of dental caries, likely due to the high urea content in their saliva, which has antibacterial properties. CKD is also associated with salivary gland dysfunction and increased oxidative damage. Furthermore, CKD patients have reduced bone quality, making them more susceptible to fractures. A study on the quality of life (QoL) in children with CKD and their parents reported significantly lower physical and social QoL scores in children undergoing hemodialysis compared to healthy controls. This study aims to comparatively evaluate and analyze children diagnosed with different stages of chronic kidney disease (CKD) and healthy children without any systemic conditions, focusing on their age, gender, and oral health habits such as tooth brushing frequency, dental floss usage, and annual dentist visits. Disease-related information such as the stage of CKD, dialysis, and transplantation, as well as oral findings, will be examined using DMFT/dft, ICDAS II, DDE, BAKH, DI, CI, OHI-S, and MGI indices. The study will assess general disease-related quality of life from both the child's and the parent's perspectives using the KINDLR scale. Additionally, salivary samples collected from children with CKD and healthy children will be analyzed for salivary flow rate, pH, buffering capacity, total oxidant and antioxidant capacities, urea, calcium, potassium, and phosphorus levels. Serum urea, calcium, and phosphorus values will also be examined.
