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Quintessence Int 50 (2019), No. 3     22. Feb. 2019
Quintessence Int 50 (2019), No. 3  (22.02.2019)

Page 216-223, doi:10.3290/j.qi.a41920, PubMed:30773574


Influence of dialysis therapies on oral health: a pilot study
Pereira-Lopes, Otília / Simões-Silva, Liliana / Araujo, Ricardo / Correia-Sousa, Joana / Braga, Ana C. / Soares-Silva, Isabel / Sampaio-Maia, Benedita
Objectives: Chronic kidney disease (CKD) is a public health problem worldwide. Currently, the link between oral health status, dialysis modality, and dialysis vintage is still not clear. The aim of this study was to evaluate periodontal disease, dental caries, and Candida colonization among patients under hemodialysis (HD) therapy, peritoneal dialysis (PD) therapy, and PD with previous history of HD (HD/PD).
Method and materials: The clinical history, smoking, and oral hygiene habits were recorded. Decayed, missing, or filled teeth (DMFT) index, Visible Plaque Index (VPI), clinical attachment level (CAL), bleeding on probing, saliva flow rate, saliva pH, and oral yeast colonization were assessed.
Results: HD/PD patients were generally submitted to longer periods of dialysis therapy than the other groups. The number of decayed and filled teeth did not differ between groups; HD patients presented a higher number of teeth, but poor periodontal status. Among the three groups, HD patients presented higher VPI, CAL, and oral Candida colonization, independently of the time under dialysis therapy. Candida albicans (HD and PD), Candida krusei (HD), and Candida carpophila (PD) were isolated in these patients.
Conclusion: HD presented a more adverse impact on oral health than PD, particularly periodontal disease and oral Candida colonization; however, this impact on oral health appears to be reduced or ameliorated when patients change from HD to PD therapy.

Keywords: Candida, oral health, periodontal disease, renal insufficiency, renal replacement therapy, saliva