In this research is experimental research. To study the characteristics of the brush, cylindrical tip rounded and has pointed to the effective elimination of plaque in the mouth dental students SUT Year 1 Year 2558 Number 15 by screening through. test all students In each of the tests must be tested with two brush model, which means shifting Brushing off (modified Bass's technique) stores all data two times by a plaque in the mouth every sample before brushing. The recommended method of brushing off a move to sample all the samples followed by a demonstration along the way. For example, every time you brush your teeth with one tooth brush that looks like a brush with a rounded tip cylinder. After that measured plaque and the average percentage difference plaque before and after brushing teeth and to compare the two at the toothbrush bristles look like he pitched. After that measured plaque and the average difference between the percentage of plaque before and after brushing then be compared
comparison using the plaque index of pretest and posttest in each of the brush was 94%. of those tested were screened by questionnaire. Toothbrush bristles with rounded sphere effective in removing plaque than a toothbrush with bristles made sharp.
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