Which of the Following Is True of the Smear Layer

question 2

Multiple Choice

Which of the following is true of the smear layer?

• A) It is composed exclusively of bacterial plaque.
• B) It is easily washed off with an air-water spray.
• C) It forms on the external surface of uncut enamel.
• D) It interferes with the formation of a bond to dentin and needs to be removed.

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