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2 votes
If not removed, turns into an acid and destroys the enamel.

User Zachleat
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2 Answers

6 votes

Answer:

Plaque

Step-by-step explanation:

User Arkowsky
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8.2k points
2 votes
Plaque. According to my friend, a dental hygienist, some plaque is necessary but must be removed by brushing your teeth twice a day--or else this (enamel eroding) will occur.
User Choesang
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