Which of the Following Statements Is True Regarding Placement of a Sealant

question 7

Multiple Choice

Which of the following statements is true regarding placement of a sealant?

• A) If an etched tooth becomes contaminated with saliva, the etching and rinsing steps need not be repeated.
• B) The self-cured sealant is cured with a light source for at least 20 seconds.
• C) Moisture enhances retention of the sealant by the fissure.
• D) A small cotton pellet may be used to remove sealant that has failed to polymerize because of exposure to air.
• E) If a fluoride treatment is used in conjunction with the pit and fissure sealant, the fluoride treatment is applied before the sealant has polymerized.

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