Category BCHM L02 Decay Away

Abstract I picked this project is because I recently found out that Mountain Dew

has a natural citric acid rather than the other soda companies who use

artificial acid. I want to test the effects of the soda on how it changes

our teeth.



Materials: Pelletized Limestone (simulated teeth), Eggs (Hard Boiled),

Mouthwash, Toothpaste, Coca Cola, Mountain Dew, Faygo Red Pop,

Diet Coca Cola, Water



Questions:

1.)How does the soda effect the teeth (limestone)?

2.) Does a mouthwash or toothpaste solution make a difference with the

testing of the teeth (limestone)?

3.)How does the same soda effect the staining of the teeth (Boiled

Egg)?



Prcedure:

1.) Weigh the Limestone's beginning mass and record it.

2.) Put 1/3 of the limestone in the mouthwash solution for varying

amounts of time. Put 1/3 of the limestone in the toothpaste solution for

varying amounts of time. Leave the remaining Limestone in water for

varying amounts of time.

3.) Re-weigh the limestone and record it.

4.) place the limestone in soda for varying amounts of time.

5.) Weigh the resulting Limestone and record it



Hypothesis:

I believe that the natural citric acid found in Mountain Dew will decay the

teeth faster and will also stain the most.

Bibliography healthyeating.sfgate.com/reasons-soda-rots-teeth-

2949.htmlwww.healthline.com/health/dental-oral-health/what-does-

soda-do-to-your-teeth#54
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