Question

Following tooth preparation, which chemicals are suitable for gingival retraction before making the impression?

• A. Acidic
• B. Basic
• C. Neutral
• D. Highly basic

Hint:

Acidic chemicals such as aluminum chloride and ferric sulfate are commonly used for gingival retraction during impression making.

Answer 1

The Correct Option is A

For gingival retraction, acidic chemicals are commonly used. Acidic chemicals help in the temporary constriction of the gingival tissue, making it easier to take an accurate impression by creating more space between the gingiva and the tooth. Common acidic retraction agents include aluminum chloride and ferric sulfate. These substances help reduce bleeding and minimize tissue swelling during the impression process. Basic and neutral chemicals are not typically used for gingival retraction.