What could occur if excess cement is left at the cavosurface margin of a crown?
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Irritate the area and cause inflammation
What are preliminary impressions used to make?
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diagnostic models, provisional coverage, and orthodontic appliances (all
of the above)
In minutes, how long should one wait before removing a model from an impression
after pouring?
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45 to 60
How should cement be placed into an indirect restoration for delivery?
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Add a thin lining to cover all internal walls of the casting
Which of the following gypsum products has the lowest powder-to-water ratio?
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High-strength stone
Alginate impressions must be poured within _____ so that distortion does not occur.
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Irritate the area and cause inflammation
What are preliminary impressions used to make?
, Give this one a try later!
diagnostic models, provisional coverage, and orthodontic appliances (all
of the above)
In minutes, how long should one wait before removing a model from an impression
after pouring?
Give this one a try later!
45 to 60
How should cement be placed into an indirect restoration for delivery?
Give this one a try later!
Add a thin lining to cover all internal walls of the casting
Which of the following gypsum products has the lowest powder-to-water ratio?
Give this one a try later!
High-strength stone
Alginate impressions must be poured within _____ so that distortion does not occur.
