Objectives: The purpose of this study was to investigate turnover intention of dental hygienist who were employed at the private dental clinic in Ulsan, Korea. Methods: The data obtained from 100 dental hygienists during 1 month. The survey was performed by a face-la-face interview questionnaire consisting of 19 items and the 5 point Likert type response format. The respondents were 77 from dental hygienists. The adjusted response rate was 80.2%(77/96). Data were analyzed using frequency distribution, independent t-tests, ANOVA, chi-square and correlation. All statistical analyzed were conducted using Statistical Package for SPSS 11.5. Results: There was experiences of turnover the longer the professional career, the higher income, married personnel. Turnover intention was a statistically correlated with income. Conclusions: The findings suggest that dental hygienists who remain in the workforce are positively influenced mainly by self-development. Employer of dental hygienists should be aware of these factors in employing process.