This study from May 2014 March 2015 Gyeongnam, Busan material Dental disease (a) served on the original conduct a self survey of dental hygienists who are the duties of a dental hygienist attitude and ability to work to identify and duties attitude was to analyze the effects of the ability to work performed to provide basic information on ways to improve job performance and attitude, ability to work in a dental hygienist.As a result of performing the covariance structure analysis in order to establish the causal relation model which shows that the attitude of work performance can be affected on the work capability, attitude Received(November 26, 2015), Review request(November 27, 2015), Review Result(1st: December 13, 2015, 2nd: December 30, 2015) Accepted(January 09, 2016), Published(January 31, 2016) 330-705 Dept. Health Administration, Baekseok Culture Univ., Munam-ro, Dongnam-gu, Cheonan, Chungnam, Korea email: bellten@bscu.ac.kr 617-701 Dept. Dental Hygiene, Kyungnam College of information & technology, Busan-City, Seoul, Korea email: kjh3651@hanmail.net 614-714 Dept. of Clinical laboratory Science Dongeui Univ., Gaya 1-dong, Busanjin-gu, Busan, Korea email: auxotype@deu.ac.kr 210-702 Dept. Dental Hygiene, Kangnung-Wonju National Univ., Jibyeon-dong, Gangneung-si, Gangwon-do, Korea email: edelweiss-71@daum.net (Corresponding Author) 614-714 Dept. Dental Hygiene, Dongeui Univ., Gaya 1-dong, Busanjin-gu, Busan, Korea email: khj1126@deu.ac.kr The attitude of work performance which affects on the work capability for clinical dental hygienist Copyright c 2016 HSST 154 of work performance shows significant effect on the work performance (CR=8.711, p<0.001). On the other hand, the power of explanation (SMC) for emotional work evaluation shows the value of 61.2%. Also, the attitude of work performance for oral hygienists is absolutely affecting on their work capability. Therefore, countermeasure which can be lead on their healthy and stable workshop is to be needed.