Introduces artificial crowns as fixed restorations that rebuild damaged tooth crowns, then sorts them in turn by use, by how much of the tooth they cover, and by material. Three tables compare temporary, provisional and permanent crowns, partial veneer, complete veneer and post-and-core types, and materials with their strengths and limits. A short final section lists other groupings such as technology, finish line and position, and closes with the trade-off between strength, esthetics and tooth removal.
Topic 36 of 75 in the MU Sofia syllabus for Preclinics of Dental Prosthetics (Dental Medicine, Year 2). The free AceMed note covers it in 5 sections, about 108 words (2 min of reading), with 14 flashcards.
In this note
Introduction
By use and function
By how much of the tooth they cover
By material
Other groupings
Introduction
An artificial crown is a fixed prosthesis that restores a partly destroyed natural tooth crown. Besides restoring single teeth, crowns serve as retainers for bridges, splints and partial dentures. They are classified by several features at once.
Other groupings
By technology: cast, pressed (ceramic), sintered, milled (CAD/CAM); historically also stamped (swaged) metal crowns.
By finish line: knife-edge, chamfer or shoulder margins (topic 39).
By position: anterior or posterior crowns, with different priorities: esthetics in front, strength at the back.
The choice balances strength, esthetics and how much tooth must be removed. The more esthetic the crown, usually the more tooth has to be cut away to make room for it.
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