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KMID : 1157520180140020140
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International Journal of Clinical Preventive Dentistry
2018 Volume.14 No. 2 p.140 ~ p.144
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A Clinical Study on the Decreasing Rate of Caries Related Oral Micro-Organisms by a Time of Tooth-Brushing with Sodium Fluoride Contained Dentifrice
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Na Hee-Ja
Kwak Ji-Yeon
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Abstract
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Objective: In order to know how much decrease the oral micro-organisms related with the dental caries by a time of tooth-brushing, a clinical study was performed.
Methods: Thirty adults age 30 to 60 years of the volunteers with compensation were collected and checked such examination as modified caries activity test with modified Snyder test, the amounts of cocci typed oral micro-organism examined by use of the phase contrast microscope and real time polymerase chain reaction test with sending the gaggled samples to professional institute of oral micro-organisms with genetic analysis method.
Results: A total of 71.9% of decreasing rate of caries activity on Snyder test and 58.5% of decreasing rate on the amounts of cocci typed oral micro-organism by a time of tooth-brushing with the experimental dentifrice. 32.9% and 42.2% of decreasing rate of the amounts of Streptococcus mitis and S. mutans after a time of tooth-brushing with the experimental dentifrice.
Conclusion: A time of tooth-brushing could be diminished the caries related oral micro-organisms as 30% to 40% and the information could be used for tooth-brushing instruction.
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KEYWORD
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oral micro-organism, tooth-brushing, fluoride dentifrice
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