Alginate Impressions

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6 Terms

1
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What is Alginate?

An Irreversible hydrocolloid impression material used to take impressions of the teeth for the fabrication of study models, or diagnostic casts.

2
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Potassium Alginate is composed of what 4 materials?

Seaweed/kelp, Calcium Sulfate, Trisodium phosphate, and Potassium titanium fluoride

3
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Alginate shelf life?

1 year

4
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Synersis

Shrinking of the material, must be used immediately or wrapped in damp towel to avoid this

5
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Imbibition

Swelling of the material, caused by soaking with too much water

6
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Water temperature effect on alginate?

Colder water causes slower setting times, recommended temp is 70 degrees