1. Prosthetic instruments and methods for treatment of dental crown destructions. Artificial crowns – Requirements, types, classification. Methods of preparing teeth for full crowns.
Topic 16 of 30 in the MU Plovdiv syllabus for Prosthetic Dentistry – Part II (Dental Medicine, Year 3). The free AceMed note covers it in 10 sections, about 373 words (4 min of reading), with 29 flashcards.
In this note
Introduction
By use and function
By how much of the tooth they cover
By material
Other groupings
Morphologic requirements
Functional requirements
Prophylactic (biological) requirements
Esthetic requirements
How each point is checked
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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