Dental Nurse's competence set in Kepmenkes No. 378/Menkes/SK/III/2007 with eight competencies, and Permenkes No. 58/2012 governing dental nurse's authority into four. Prelimitary studies showed that 96.2% of district public health centre dental nurse in Central Java Province carry out work beyond the competence and in urban areas as much as 78 %. Incompatibility between the performances of the competencies is the controlling performance. Assessment of the performance as an input in effort to reorient the competence, as it gives a picture of the scope of competence required by community.