Mesial
The two types of provisional coverage include _____ and _____.
What is custom; prefabricated
What is the final step after cementing the provisional crown?
What is check the occlusion
What is the most common type of provisional coverage used for crown and bridge preparations?
What is Custom-made
When would a stainless steel crown be used for provisional coverage?
What is Primary posterior teeth
Why is it necessary to keep the preliminary alginate impression moist?
What is To keep the alginate from distorting
What is one disadvantage of using custom provisional coverage?
What is It can be the most time-consuming prosthesis to make.
Which provisional preformed crowns are used on anterior teeth when appearance is important?
What is Polycarbonate
How far below the margin of the preparation should the provisional crown sit?
What is It should be flush with the margin.
What is the advantage of using preformed crowns for provisional coverage?
What is It reduces time required for the procedure.
What is the set time for mixed acrylic before placing it into the mouth?
What is 1 to 2 minutes
Which provisional uses a polymer shell filled with a composite resin that bonds with the preformed crown and tooth?
What is Preformed polymer
Which cement is most commonly used with provisional crowns?
What is Zinc-oxide-eugenol (ZOE) temporary luting cement
What procedure would require a patient to wear a provisional prosthesis for a longer period of time than is typical?
What is Implants or periodontal therapy
What could occur when fabricating a provisional if undercuts are present on proximal surfaces?
What is Locking on
Once the acrylic-loaded impression is on the prepared tooth, it should remain on the tooth for approximately how long?
What is 3 minutes
When is laboratory-fabricated coverage used?
What is Several teeth have been prepared, such as in a multiunit bridge.
How long does a provisional crown or bridge normally need to last?
What is 2 weeks to 1 month
The occlusal surface of the provisional coverage should sit _____ the occlusal plane of the adjacent teeth.
What even with
During a crown preparation appointment, when are preformed provisional crowns tried on for size and shape?
What is After the tooth has been prepared
Why is the provisional placed on the tooth in the patient’s mouth for the final curing stage?
What is To avoid excess shrinkage of the provisional during the final curing stage
The cervical margins of the provisional should have no more than ___ mm of space between the crown margin and the finish line of the preparation.
What is 0.05
When is a thermoplastic tray, used to fabricate a custom provisional, made?
What is Before the dentist prepares the teeth
Methyl methacrylate is an example of which of the following types of materials commonly used for custom provisional coverage?
What is Powder/liquid materials
If the liquid or powder acrylic material is being used for the provisional, how many drops of liquid are used?
What is 10
The provisional is trimmed to within ___ mm of the gingival shoulder of the prepared tooth.
What is 1