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ABSTRACTThe purpose of this study was to assess the oral health of patients with chronic renal failure (CRF) undergoing hemodialysis in Brazil. A dentist examined 160 subjects aged 40 to 85 years of age.Data was collected on dental caries, use of and need for dentures, oral mucosa, periodontal disease and temporomandibular joint status. All subjects were interviewed about their socioeconomic status, dental and medical history, and oral hygiene habits.Most subjects had hypertension (49.4%); used the public service for their medical care (69.4%); had a middle school educational level (83.1%); and did not complain of xerostomia (60.0%). The majority used private oral healthcare services and used a toothbrush only for oral hygiene. The mean DMFT was 26.0 (standard deviation 7.7). Moat individuals did not wear dentures, but needed some type of prosthesis. Lesions of the oral mucosa (3.1 %), signs (2.5%) and symptoms (3.8%) of temporomandibular dysfunction could be observed in only a few patients.The oral health of the subjects examined was poor. These persons needed their oral condition monitored by a dentist and their oral disease treated as well as receiving instruction on oral hygiene.