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KMID : 1157520180140040228
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International Journal of Clinical Preventive Dentistry
2018 Volume.14 No. 4 p.228 ~ p.234
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In Vitro Study on the Artificial Plaque Removal Effect by Use of 360 Degree Rotating Head with Sonic Tooth-Brush
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Lim Jee-Hyun
Kim Jin-Sil
Choi Hwa-Young
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Abstract
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Objective: The authors have experimented for the artificial plaque removal effect of several kinds of 360 degree rotating head typed tooth-brushes with sonic vibratory actioned by using of automatic machine for horizontal scrub method in order to find the better toothbrush type for plaque removal.
Methods: The experiment was conducted on three medium to 360 degree rotating head toothbrushes, a medium sized toothbrush and a medium sized toothbrush, and a flat toothbrush consisting of 30 ordinary toothbrushes. A brushing machine with horizontal scrubbing was manufactured and had variations of the end of the bristle attached to or near the surface of the teeth, a vibrating wave action force of 16,000 or 18,000 cycles per minute, and a working time of 2 or 3 minutes. The tooth removal effect was confirmed by scanning and analyzing images with a computer program after automatic brushing with the machine. The elimination rate results for each group were analyzed using the independent t-test and one-way ANOVA test.
Results: It revealed the most in removal effect for the artificial plaque in such conditions as action at near the tooth surface with 18,000 cycle for 3 minutes in case of using A, B, and C tooth-brush. And it has more removal effect rate than for using the plane tooth-brush (p＜0.05).
Conclusion: It was recommended to develop the 360 degree rotating head and vibratory toothbrush focusing to use near the tooth surface with 18,000 cycles of vibration for 3 minutes at one site of the teeth area.
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KEYWORD
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toothbrush, tooth-brushing, plaque removal, vibratory tooth-brush, sonic toothbrush
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