One of the most important advantages of truly elastic impression material would be its capacity for______________?
Correct answer: B. With drawl without permanent distortion
- A. Close adaptation to soft tissues
- B. With drawl without permanent distortion
- C. Reproduction of surface details
- D. Compatibility with gypsum products
Explanation
The key benefit of elasticity is elastic recovery, allowing an impression to pass around undercuts and be withdrawn without permanent deformation. Surface detail and gypsum compatibility are useful properties but are not unique advantages of elasticity.
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