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Effect of carbonated drinks on the erosion of tooth enamelFeatured science projectScience project video

Conclusion

The hypothesis that immersing teeth in soft drinks will cause tooth erosion and the teeth to lose some of their weight has been proven to be true.

Soft drinks are very popular among children, teenagers and adults. Other than tooth enamel erosion, soft drinks are also associated with obesity, low nutrition and diabetes. This is because most soft drinks contain high levels of sugar, including fructose and sucrose. The presence of caffeine in some soft drinks can also cause sleep disorders and anxiety.
 

Also consider

The science fair project can also be repeated to test the effects of soft drinks on other calcium-rich materials, by using pieces of chalk instead of teeth.

The experiment may also be modified to test the effects of fruit juice on tooth enamel, by using natural juices like lemon juice, orange juice or pineapple juice.
 

References

Acids in popular soda erode tooth enamel - http://www.livescience.com/health/070321_soda_teeth.html

Acid erosion - http://www.doonsouthdental.ca/InfoAndLinks/Erosion/Erosion.html
 

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Complexity level:
4
Project cost ($):
10
Time required:
1 hour for preparation, 5 days for observation
Material availability:
Very easily found
Safety concerns:

None