Which of the Following Types of Abrasive Materials Found in Prophy

question 11

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

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Definitions:

Acid Rain

Acid rain refers to precipitation that is significantly more acidic than normal, resulting from atmospheric pollution, especially the emission of sulfur and nitrogen compounds.

Ultraviolet Radiation

Ultraviolet radiation is a type of electromagnetic radiation coming mainly from the sun, with wavelengths shorter than visible light, known for its role in skin tanning and potential to cause skin damage.

Oxygen

Oxygen is a chemical element with symbol O and atomic number 8; essential for respiration in most living organisms and important in industrial processes.

Petr Kropotkin

A Russian anarchist philosopher and activist known for his advocacy of mutual aid and cooperation over competition.