Oral Bacteria: Comparing Mouth’s with Canine and Human
Introduction: This is the study of “oral bacteria” where hundreds of bacteria reside in the mouths of human and canines. According to researchers there is many names to refer to “oral bacteria” such as “oral microflora”, “oral microbiota”, and “oral microbiome” (Dewhirst et al. 2010). The human oral cavity consists of “teeth, gingival sulcus, tongue, hard and soft palates, and tonsils, which are colonized by bacteria…, approximately 280 bacterial species from the oral cavity have been isolated in culture and formally named” (Dewhirst et al. 2010). According to a study by Elliot, Wilson, Buckley, and Spratt (2005), there is different bacteria that can be found in dogs than in humans, this bacterium are leading causes of diseases, for example they found that “Approximately half of the phylotypes were identified to the species level, and 28% of these were considered members of the …show more content…
Our petri dish already had the agar prepared, so we didn’t have to go through the process of preparing this first. We grabbed cotton swabs and tried not to grab them from the ends to not get other bacteria on it. This could have been done differently though, we should have sterilized the cotton swabs to get best results. Then got the cotton swab to get my saliva and spread it across the agar and quickly closed the petri dish. Then we also grabbed the dog’s saliva the same way. I put the labeled petri dishes, human saliva and dog saliva (independent variable), in my closet in room temperature in the dark. Then waited a few days to see how many colonies of bacteria grew (dependent variable) in each of the petri dishes to compare which one had more than the other. We should have compared more than just one person and one dog because in the end it may be biased because you can’t compare all dogs and humans to just two
Introduction: This is the study of “oral bacteria” where hundreds of bacteria reside in the mouths of human and canines. According to researchers there is many names to refer to “oral bacteria” such as “oral microflora”, “oral microbiota”, and “oral microbiome” (Dewhirst et al. 2010). The human oral cavity consists of “teeth, gingival sulcus, tongue, hard and soft palates, and tonsils, which are colonized by bacteria…, approximately 280 bacterial species from the oral cavity have been isolated in culture and formally named” (Dewhirst et al. 2010). According to a study by Elliot, Wilson, Buckley, and Spratt (2005), there is different bacteria that can be found in dogs than in humans, this bacterium are leading causes of diseases, for example they found that “Approximately half of the phylotypes were identified to the species level, and 28% of these were considered members of the …show more content…
Our petri dish already had the agar prepared, so we didn’t have to go through the process of preparing this first. We grabbed cotton swabs and tried not to grab them from the ends to not get other bacteria on it. This could have been done differently though, we should have sterilized the cotton swabs to get best results. Then got the cotton swab to get my saliva and spread it across the agar and quickly closed the petri dish. Then we also grabbed the dog’s saliva the same way. I put the labeled petri dishes, human saliva and dog saliva (independent variable), in my closet in room temperature in the dark. Then waited a few days to see how many colonies of bacteria grew (dependent variable) in each of the petri dishes to compare which one had more than the other. We should have compared more than just one person and one dog because in the end it may be biased because you can’t compare all dogs and humans to just two