the effect of oro-dental health educational posters on knowledge and attitude of selective apartment residents in isfahan

background: today oro-dental health is one of the health problems in our country and throughout the world. one of the useful educational methods is using appropriate educational posters. this research studies the effects of educational posters and charts on knowledge and attitude of addressee about oral health. methods: this study was a quasi experiment research. ten units of apartments in different areas of isfahan city was selected as research sample (126 persons) in 2008 (five units as case and five as control group). the intervention was done by installing educational posters and charts in the lift and on the apartment’s board. data collected by a questionnaire in two stages before and after the educational posters and charts use and analyzed by statistical analytic tests using spss software. findings: 62.5% of samples were women and 37.5% were men. diploma graduated were 43%, more than the other degrees. inappropriate level of knowledge and attitude were present in 25.8% and 86.7% of participants, respectively. the rank of scores of knowledge and attitude before and after education did not have significant difference between case and control groups (p>0.05) . conclusion: since educational posters and charts did not have enough efficacy to promote the knowledge and attitude about oro-dental health, it is better to use them with other educational methods.