ArticleBMC oral health2025
Investigation of the association between alterations in mandibular bone structure and serum bone metabolism biomarkers in male patients with chronic kidney disease: a retrospective cohort study.
Article in BMC oral health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe aim of this study was to evaluate the Fractal Dimension (FD) of bone structure in different regions of the mandible and investigate its relationship with serum intact parathyroid hormone (iPTH) and other serum analytes in a population of male patients with end-stage renal disease who will undergo kidney transplantation due to chronic kidney disease (CKD).
methodsThe study included a total of 65 male CKD patients (130 jaws) and 15 healthy male individuals (30 jaws), with FD calculated from four different regions of interest (ROIs) on panoramic radiographs using the box-counting method. The mean age of the patients was 39.02 years (range 18-70). The mean age of individuals in the control group was 37.13 years (range 32-41). Serum biomarkers including serum total calcium (Ca), inorganic phosphorus (P), estimated glomerular filtration rate (eGFR), and iPTH were recorded, and patients were stratified into subgroups based on iPTH levels. Statistical significance was determined at p < 0.05.
resultsIt was observed that as the severity of CKD increased, the blood P levels rose while eGFR decreased compared to reference values. Despite the decrease in Ca levels with the progression of CKD severity, the mean Ca levels remained within the reference range. Additionally, as iPTH levels increased, the severity of CKD also increased. Statistically significant differences were found between the control group and each subgroup of iPTH for ROI-1, ROI-2, and ROI-3 regions (p < 0.05). When examining FD values in CKD patients, it was found that FD values in ROI-1 (Mean: 1.303), ROI-2(Mean: 1.301), and ROI-3 (Mean: 1.157), regions were lower than those in the control group (ROI 1 Mean:1.494 / ROI 2 Mean:1.448 / ROI 3 Mean:1.248) (p < 0.05). Furthermore, as iPTH levels increased, lower FD values in different regions of the mandible compared to the control group were observed.
conclusionFD measurements in panoramic radiographs by dental professionals could be used to determine the severity of CKD in addition to the iPTH scale. Furthermore, correlating Ca, P, and PTH levels with bone morphology can contribute to understanding bone metabolism in these patients and to the development of personalized approaches to treatment. CLINICAL TRIAL NUMBER: Not applicable- retrospective analysis.
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