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Acostak1 Acostak1
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6 years ago
Bleaching agent(s) for enamel is (are) ____________.
 a. sodium perborate
  b. carbamide peroxide
  c. hydrogen peroxide
  d. all of the above
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suarezs1suarezs1
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6 years ago
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Acostak1 Author
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6 years ago
Just got PERFECT on my quiz
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Brilliant
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2 hours ago
this is exactly what I needed
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