Which of the Following Statements Is True Regarding Teeth Bleaching

question 24

Multiple Choice

Which of the following statements is true regarding teeth bleaching?

• A) All teeth bleaching products contain peroxide.
• B) Teeth bleaching occurs when the bleaching material passes through the spaces in enamel and oxidizes the stains.
• C) Acid etching before the application of the bleach chemical may enhance penetration of the bleach.
• D) Acid etching will polish the surface of the enamel.

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