decayed tooth
10.Results 14.4% of the students used the vertical tooth brush method,35.7% selected the conservancy toothbrush. Only 15.7% of them knew the effects of fluoride toothpaste on preventing decayed,88.6% of them ignored the "pit and fissure" sealant,60.4% of them never visited the dentists and 61.4% of them got oral health care knowledge from their parents and their teachers.

