Objectives : The education of dental hygienists on emergency care has been implemented as a part of curriculum at school, the contents and practice are inadequately and unsystematically conducted. The purpose of the study was to examine the perception and use of emergency care in dental hygienists in various emergency situations and emergency medical equipment. Methods : The subject of this study was 64 dental hygienists dental hygienists in Chungchenongnam-Do. The data were collected through a self-administered questionnaire from November, 17 to 24, 2011. Results : Only 3.1% of dental hygienists answered "I know very well", exhibiting relatively low level of recognition. Moreover, 15.6% of respondents answered "I know quite well", 53.2% answered "I know somewhat well", and 28.1% answered "I do not know well". In terms of the operation of defibrillator, 9.4% of dental hygienists answered "yes" and 90.6% answered "no". Regarding performing CPR, 15.6% of respondents answered "I can perform" while 84.4% answered "I can not perform". Conclusions : Despite the education on emergency medicine, dental hygienists working in dental clinics are found to be not well aware of proper perception of emergency care and the utilization of emergency medical equipment. Therefore, appropriate refresh educational framework and development and application of programs are thought to be essential for dental hygienists to adequately and swiftly respond to emergency situations by full recognition of the importance of emergency care.