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Drugs+drugs+rock+roll
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Join Date: Jul 2004
Location: Portland, OR
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Aug 8th, 2008, 12:40 PM
While we're on the subject, is Calculus
A, hardened plaque
B, inherited
C, good for teeth
or D, a protective covering on the tooth?
I could probably find this in my book, but I really don't want to because I care incredibly hard.
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