Background &objectives: Due to the increasing number of elderly population in recent years and considering oral health is an integral part of public health, the aim of the present study is the evaluation of oral health of elderly referring to Khatam ol Anbia clinic in Yazd in 2014.

Methods: In this cross-sectional study, 251 patients aged over 60 were selected randomly. Demographic characteristics, condition of teeth and periodontium were recorded. Data were analyzed using SPSS.16, Mann-Whitney test, Chi-Square test and Kruskal–Wallis.

Results: Among 251 elderly patients studied, 74 patients were (29.5%) men and 177 (70.5%) women with a mean age of 76.39± 9.98 (age range 61 to 102 years). Mean DMFT was 26.69±3.18 (8 to 28). There was no statistical relationship between DMFT index and demographic variables except age. There were statistical relationships between CPITN, sex (p=0.000), smoking (p=0.009) and age (p=0.000).

Conclusion: The results of this study showed that elderly patients are not in a good condition by the aspect of dental and periodontal status, so it is important to arrange more educational and therapeutic programs for this group.