| Abstract |
The report discusses an experiment to study and compare the effect of different mouthwashes, consisting of different amounts of alcohol, on oral bacteria including Colgate, Crest, and Listerine. Since mouthwashes are designed to kill bacteria, this experiment was conducted discover which mouthwashes are the most effective in killing oral bacteria. The bacteria would be considered as a dependent variable, where as the mouthwash would be an independent variable. This experiment was done to find the best mouthwash that is able to kill mouth bacteria. It is important because that way students and many others are able to discover the different mouthwashes that are the most effective in preventing oral bacteria, which could result in better health for the gums and teeth. This experiment was also done to determine if mouthwashes containing higher amounts of alcohol are more effective in killing oral bacteria than mouthwashes that contain little or no alcohol. Listerine Antiseptic contained the largest percent of alcohol(21.6%), Crest Scope contained 15% alcohol, while Colgate Mouthwash was alcohol free. The information gained from this experiment would help consumers and dentists find the best solution for killing and preventing bacteria in the mouth.
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