Differences in the Incidence of Pathologic Lesions on the Oral Mucosa in Patients Undergoing Hemodialysis vs Renal Organ Transplant Recipients Subjected to Long-term Pharmacologic Immunosuppressive Therapy

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Disorders of homeostasis and an increased incidence of infection in patients undergoing hemodialysis causes frequent appearance of pathologic changes in the oral mucosa. The organ transplant and subsequent pharmacologic immunosuppression may result in systemic disorders manifesting by pathologic oral lesions. MethodsThe study was conducted on 18 patients undergoing hemodialysis and 18 patients after renal transplant. The study comprised case taking and physical examination, including detailed intraoral and extraoral examination. ResultsThe intraoral examination revealed gingivitis in 61.1% of patients in both groups. In the renal transplant group compared with the hemodialysis group 55.6% vs 38.9% of patients had gingival recession, 55.6% vs 44.4% had periodontitis, 27.8% vs 22.2% had macroglossia, and 11.1% vs 5.6% had geographic tongue, respectively. In the patients on hemodialysis leukoplakia and pallor or pathologic pigmentation of oral mucosa were more frequently observed lesions. Other significant findings in the renal transplant group were lingual papillary atrophy, aphthae, and erythroplakia. Patients of both group reported xerostomia, halitosis, gum bleeding, dysgeusia in their history. DiscussionBoth groups of patients after renal transplant and patients undergoing hemodialysis presented pathologic lesions in the oral cavity. The study revealed the differences between type and frequency of these pathologic changes, which shows different effect of the above methods of treatment of end-stage renal failure on the oral cavity.