Which of the Following Types of Abrasive Materials Found in Prophy

question 25

Multiple Choice

Which of the following types of abrasive materials found in prophy paste, wear during use but continue to abrade, producing an increasingly smoother surface?

• A) Perlite
• B) Silicon dioxide
• C) Zirconium silicate
• D) Diatomaceous silicon dioxide
• E) Sodium-potassium-aluminum silicate

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