ABSTRACT. Incidence of problem of health of dental health because ofone of the factor that is my me which disregard dental health. The mentioned based on by lack of knowledge for the importance ofconservancy ofdental health. Problems of this research, what is there is relation between knowledge about oral health with occurence of Elementaty school child caries. Target of this research t…
Calculus is a factor constant iritation to the gingiva that can cause inflamation of the gingiva. If not removed t will continue to buffer tissue damage teeth and cause tooth to be rocking and the date. Kelan village residents consume most of the well water with high calculus content of 132.08 mg/liter of water. The purpose of this research is to know the difference occurs calculus on people wh…