KVV E-Modules

Extra-coronal restorations are primarily used to:

A: Restore root canal morphology B: Cover the external damaged coronal portion of the tooth C: Prevent periodontal disease D: Improve only mastication

Which of the following is NOT an objective of aesthetic crowns in pediatric dentistry?

A: Restoring esthetics B: Maintaining occlusion C: Preventing psychological trauma D: Increasing tooth mobility

Strip crowns were first familiarized in the year:

A: 1969 B: 1975 C: 1979 D: 1987

One of the main disadvantages of composite strip crowns is:

A: Poor esthetics B: Crown fracture or chipping C: High cost D: Metal margin exposure

Polycarbonate crowns are primarily made of:

A: Stainless steel B: Zirconium dioxide C: Thermoplastic acrylic resin D: Fiberglass composite

Which of the following is a contraindication for polycarbonate crowns?

A: Class III cavities B: Post-pulp therapy C: Crowding of anterior teeth D: Rampant caries

Pre-veneered stainless steel crowns consist of stainless steel bonded with:

A: Porcelain B: Acrylic resin C: Thermoplastisized composite resin D: Zirconia

Zirconia crowns in pediatric dentistry are known for all the following EXCEPT:

A: Excellent esthetics B: Ability to crimp easily C: High strength D: Biocompatibility

The first commercially available pediatric zirconia crown in the United States was:

A: NuSmile ZR B: Kinder ZR C: EZ-Pedo Crown D: Signature Crown

According to studies, zirconia crowns show more wear on:

A: Gingival tissues B: Adjacent teeth C: Opposing teeth D: Restored tooth itself