Methods: This study is a descriptive and analytical study. samples are non-random and method of collecting data is spielberger standardized anxiety test. It has 40 questions. In a two-month period, 100 patients referred to the dental clinic completed these questionnaires and the dentist determined their percentage of dental caries. After preparing the data obtained, the statistician analyzed them by using SPSS program and statistical formula.
Results: In this study, 100 patients were men and women, 22% male, 78% female, 50% married, 50% single, 61% urban, 39% rural, 36% employed, 64% unemployed, 67% diploma and lower than diploma, 33% higher than diploma, 27% for the first dental visit and 73% for the second time and more than, 7% decay is very low, 52% low decay, 38%severe decay, 3% very severe decay, 73% have less anxiety, 27% have severe anxiety.
Conclusions: The results show clearly that there is relationship between anxiety and dental caries. But inapparent anxiety is more effective than apparent anxiety on extend of dental caries. In this study, males are more likely to have inapparent anxiety.