Abstract
Objectives
The aims of this study were to investigate the caries experience, periodontal status, oral hygiene habits, and salivary parameters of children and adolescents undergoing hemodialysis (HD) and to compare them with their healthy counterparts.
Methods
Fifty-two HD patients were matched for age, sex, ethnicity, and social class with 52 healthy subjects for analysis of the number of decayed, missing and filled teeth, plaque and gingival index, dental calculus accumulation, measurements of pocket depth, clinical attachment level, gingival recession, and bleeding on probing. Stimulated saliva samples were collected to assess salivary flow rate, pH and buffer capacity, and salivary concentrations of calcium, phosphate, and urea by colorimetric method.
Results
HD patients had lower dental caries (p = 0.004), greater plaque and calculus accumulation (p = 0.001), and reported flossing less often than the controls (p = 0.013). Regarding salivary analysis, HD patients showed significantly higher values of pH, buffer capacity, and salivary urea concentration when compared to the controls (p = 0.001).
Conclusion
HD patients had lower caries experience, higher accumulation of dental plaque, and calculus deposition than their healthy counterparts, probably due to the differences found in their salivary biochemical parameters.
Clinical significance
A significant number of children and adolescents undergoing hemodialysis are candidates for kidney transplantation and should receive complete pre-transplant dental exams and dental treatment. Our results open the way for the development of an individualized dental protocol for these patients with preventive measures and treatment of the poor oral health in HD patients.
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Acknowledgments
The authors thank FAPERJ for financial support and Fundação do Rim Francisco Santino Filho for helping to locate the nephrology centers where the children and adolescents were treated. We also thank the nephrologists Dr. Maria de Fátima Bandeira, Dr. Arnauld Kaufman, and Dr. Regina Novaes for allowing access to the medical records.
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The authors declare that they have no conflict of interest.
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Andrade, M.R.T.C., Salazar, S.L.A., de Sá, L.F.R. et al. Role of saliva in the caries experience and calculus formation of young patients undergoing hemodialysis. Clin Oral Invest 19, 1973–1980 (2015). https://doi.org/10.1007/s00784-015-1441-4
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DOI: https://doi.org/10.1007/s00784-015-1441-4