Dirty Mouth: Effect of Mouthwash on Bacteria
By Kayla • April 3, 2018
Mouthwash is commonly used to rid the mouth of bad odor and germs. Ever wonder how successful it is at killing harmful bacteria in a person's mouth? Several types of bacteria are commonly found in the mouth, but high school student, Israt Hossain, decided to test the effectiveness of several products - fluoride rinses and antiseptic mouthwashes - on inhibiting the growth of Staphylococcus epidermidis.
To complete this project, he chose to test six different mouthwashes, along with water as a control. The only other items he needed, besides the various products, were Petri dishes, agar, sterile paper disks, and a place to incubate the samples. Not only is this a good way to determine if products are actually doing what they say they're going to do, the results of this project could help both consumers and dental health care providers make better choices.
About the Author
Kayla Johnson
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