For Dentinal Hypersensitivity to Occur, All of the Following Conditions

question 3

Multiple Choice

For dentinal hypersensitivity to occur, all of the following conditions must exist except which one?

• A) Dentin must be exposed.
• B) A smear layer must cover the opening of the dentinal tubules.
• C) Dentinal tubules must be open.
• D) Vital pulp must be present.

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