The purpose of this study is to examine impacts of psychological empowerment of dental hygienists who were employed to dental hospital or clinic on organizational commitment, job satisfaction and turnover intention as strong predictors of turnover rate. Major findings in this study include that the more psychological empowerment increase, the more job satisfaction and organizational commitment will increase, which can decrease turnover intention after all. This result indicates that the managers of dental hospital and clinic should perceive that the consistent management effort to improve psychological empowerment can increase job satisfaction, and finally will increase the organizational commitment that means the loyalty to organization.