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KMID : 1157520130090020105
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International Journal of Clinical Preventive Dentistry
2013 Volume.9 No. 2 p.105 ~ p.108
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Correlation Coefficient between Phase Contrast Microscope Examination and Oral Microorganism Examination
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Lee Myung-Gu
Park Jin-young
Cho Ja-Won
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Abstract
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Objective: We attempted to measure the quantities and activeness of oral microorganisms using a phase-contrast microscope and conduct a oral bacteriological test based on germiculture to identify correlations between two different outcomes.
Methods: A total of 50 adult patients, who have visited Preventive Dentistry of Dankook Dental Hospital between March and June 2012 and agreed to participate in the test without any other dental problems, underwent oral microorganism tests using a phase-contrast microscope and germiculture based on Dentocult SM and Dentocult LB to examine the correlation between two corresponding outcomes.
Results: The correlation between the quantity of Streptococcus Mutans and the phase-contrast microscope was measured at r=0.292 (p<0.05) using Dentocult SM test method, suggesting that the two variables are weakly correlated with each other. The correlation between the quantity of Lactobacillus and the phase-contrast microscope was measured at r=0.311 (p<0.05) using Dentocult LB test method, suggesting that the two variables are weakly correlated with each other.
Conclusion: Although the bacteriological examination using phase-contrast microscopes was found to be relatively less effective in forecasting dental caries, phase-contrast microscopes are recommendable as they help establish plans to prevent and treat dental diseases and examine prognosis through demonstrating active germs directly to patients so as to motivate them and maximize effects of dental health education.
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KEYWORD
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phase-contrast microscope, dentocult, oral microorganism
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