Title: Module 7 Quiz
Course: DEH 2530 Expanded Duties > Section: Module 7 - Provisional Coverage

Q: In some cases, an impression of the unprepared tooth is obtained to make the fabrication of the provisional coverage easier.
- True
- False
A: True

Q: Lubricating the prepared tooth before making the previsional coverage is not advised, because it prevents the provisional from adhering to the tooth.
- True
- False
A: False

Q: Patient home-care instructions for someone with provisional coverage should instruct him to _____.
- “pop” the floss out of the contact
- pull floss through the contact, either to the facial or lingual side, once floss is placed below the contact
- replace the provisional coverage without cement if it becomes loose or is lost
- leave the provisional coverage out of the mouth until the final restoration is cemented if it becomes loose or is lost
A: pull floss through the contact, either to the facial or lingual side, once floss is placed below the contact

Q: Prefabricated temporary crowns _____.
- can be used for posterior but not anterior preparations
- are available in cast gold
- are available in porcelain fused-to-metal
- made of polycarbonate are used where appearance is important
A: made of polycarbonate are used where appearance is important

Q: Provisional crowns are commonly cemented with _____ cement
- temporary
- polycarboxylate
- glass ionomer
- composite resin
A: temporary

Q: The most common material used for custom provisional coverage is _____.
- self-curing acrylic resin
- light-cured composite resin
- polycarbonate shells
- alginate
A: self-curing acrylic resin

Q: The most common type of provisional coverage used for crown and bridge preparations is _____.
- the preformed polymer crown
- custom-made
- the aluminum crown
- the polycarbonate crown
A: custom-made

Q: The occlusal surface of the provisional coverage should be _____ the occlusal plane of the adjacent teeth
- below (infraocclusion)
- even with
- above (supraocclusion)
- even with or above
A: even with

Q: The provisional should _____ below the margin of the preparation
- not extend
- extend 1-3 mm
- extend 4-6 mm
- extend 6-8 mm
A: not extend

Q: _____ crowns are preformed crowns used for provisional coverage on anterior teeth, when appearance is important.
- Aluminum
- Polycarbonate
- Stainless steel
- Nickel-chromium
A: Polycarbonate