What is the purpose of the calcium sulfate in impression alginate?

What is the primary ingredient of alginate?

Alginate is a powder material that contains sodium alginate, calcium sulfate, trisodium phosphate, diatomaceous earth, zinc oxide, and potassium titanium fluoride. When mixed with water, it makes a smooth gel-like consistency that sets firmly enough to mold.

What are the three curing stages of impression material?

Curing Stages of Elastomeric Materials

  • Initial set.
  • Final set.
  • Final cure.

Which material is one of the most popular impression materials used for bite registration group of answer choices?


Question Answer
What type of tray allows the material to lock on mechanically perforated
What is the organic substance of hydrocolloid material seaweed
what type of wax is most commonly used for bite registration baseplate wax
T/F : hydro means air F

How will a water temperature of 80 affect an alginate mix?

How will a water temperature of 80° F (26.6° C) affect an alginate mix? It will make the mix set faster.

What is the primary ingredient of alginate quizlet?

Imbibition is when an impression loses water. Agar-Agar is another name for irreversible hydrocolloid. Type II alginate sets in one or two minutes. Trisodium phosphate is the primary ingredient in alginate.

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What are three classifications of impressions used in dentistry?

There are three main types of dental impressions — preliminary, final, and bite registration.

What are the three types of custom impression trays?

Impression trays are supplied as quadrant trays, which cover half of the arch; section trays, which are suited for the anterior teeth; and full arch trays, which cover the complete arch.

What material is most often used for a bite registration?

Bite Registration -Not as simple as you think!

  • Most commonly used for study models, diagnostic models, esthetic wax ups, orthodontic records or appliances and Bruxism or TMJ splints require a wax bite material. …

Which of the following types of dental wax is used for bite registration?

Both these materials have their pros and cons. Wax Bite Registration: Ideally, it should be a Type III baseplate wax capable of upholding to higher temperatures without deformation or a particular wax produced from beeswax or a mixture of paraffin and ceresin.