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) was studied during 16 - 19 December 2559
compared with a difference. The plaque index of pretest and posttest in each of the brush found that 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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