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ADA NBDHE Dental Hygienist

Category - Provision of Clinical Dental Hygiene Services

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Which of the following is a characteristic of an ideal alginate impression material?

Reversible
Short shelf-life
High cost
Patient acceptability

Explanation

Answer: D - Patient acceptability is a characteristic of an ideal alginate impression material.
Alginate is irreversible meaning that the material will not return to its original state after being mixed with water and allowed to set. A good alginate material will not be too expensive, it will last a long time, and it is easily tolerated by patients.

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