What causes cavities? - Mel Rosenberg
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Bad breath and dental caries are both caused by bacteria. In most cases, however, they are not related to one another. Can you suggest several possibilities? Need some hints? Take a look at this TED-Ed lesson: What causes bad breath? by Mel Rosenberg.
Looking for some awesome tips on oral hygiene as it relates to preventing tooth decay? Start here. Then, take a look at this site and see what you can find out about your own cavities.
Do you know the amazing story of the US dentist Dr. Frederick McKay went to work in Colorado Springs who first made the connection between naturally fluoridated water and prevention of tooth decay? Learn all about Dr. McKay by looking at: The story of fluoridation.
If scientists infect the mouths of laboratory animals with mutans streptococci and gives them a sugary diet, do you think that they also develop tooth decay? What happens if they leave out either the bacteria or the sugar? Think about what you have learned in this lesson and come up with a hypothesis.
Create and share a new lesson based on this one.