Objective: To analyze the relationship between the oral health status and functional capacity in performing basic activities of daily living of a population of elderly persons. Method: A cross-sectional population-based study with 441 individuals aged 60 years or over both genders was performed in the municipality of Macaíba, Rio Grande do Norte. From intraoral epidemiological examination, the degree of caries attacks (CPO-D index), periodontal condition (CPI and PIP indexes), the use and need

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... or dental prosthesis and the presence of oral lesions were evaluated. Independence in Activities of Daily Living was used to evaluate functional capacity. Socioeconomic and demographic characteristics were surveyed using a structured questionnaire. Results: Oral health variables were subjected to factor analysis, which resulted in four indicators. There was no association between these indicators and the functional capacity of the elderly. Gender, age, presence of caregiver, dominant area of residence, time of last visit to the dentist, type of care sought during such visit and self-perception regarding prosthesis replacement were significantly associated with oral health indicators. Conclusion: Given the non-identification of the effect of functional capacity on the oral health of the elderly, the time of measurement of the events investigated should be considered. It is suggested that dependency among the elderly occurs at different times from when the consequences of oral problems are observed, considering the cumulative effects of a previous history of invasive dental care.