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Questions and Answers
What is the primary focus of prosthodontics in dentistry?
The primary focus of prosthodontics is the restoration and maintenance of oral function, comfort, appearance, and health by replacing missing teeth and tissues.
Differentiate between removable and fixed prosthodontics.
Removable prosthodontics involves artificial substitutes that can be taken out of the mouth, while fixed prosthodontics uses artificial substitutes that are permanently attached and not removable.
Explain the term 'full veneer crown' in the context of dental restorations.
A full veneer crown is an extracoronal restoration that covers all surfaces of the clinical crown and is made from materials like metal, porcelain, or a combination.
What materials can be used for making a partial veneer crown?
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Define prosthesis in the context of dentistry.
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What distinguishes a Three Quarter Crown from a One Half Crown?
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How does the MacBoyle Retainer differ from a standard Three Quarter Crown in its design?
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What is the main purpose of a Temporary Crown in dentistry?
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Identify the main functional difference between an Inlay Retainer and an Onlay Retainer.
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Explain the retention mechanism of a Pin-ledge Retainer.
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Study Notes
Terminology
- Prosthesis: An artificial replacement for a missing body part.
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Prosthodontics: The branch of dentistry focused on restoring and maintaining oral function, comfort, appearance, and health by replacing missing teeth and tissues with artificial substitutes.
- Removable Prosthodontics: Deals with removable replacements for missing teeth in edentulous or partially edentulous patients.
- Fixed Prosthodontics: Involves non-removable replacements for missing teeth.
Classification of Crowns and Bridges
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Crown: A restoration encompassing most or all of a tooth's remaining structure, mimicking its form and function to improve appearance.
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Extracoronal Restoration: Crowns that cover the external part of a tooth.
- Full Veneer Crown: Covers all surfaces of the tooth. Can be made of metal, porcelain, or a combination of both.
- Partial Veneer Crown: Covers only a portion of the tooth.
- Three Quarter Crown: Covers all occlusal and axial surfaces except the facial surface.
- Reversed Three Quarter Crown: Similar to a Three Quarter Crown but prepares the buccal surface instead of the lingual surface.
- One Half Crown: Covers the mesial surface, halves of the buccal and lingual surfaces, and half of the occlusal surface.
- Seven-Eight Crown: Extends the Three Quarter Crown to include a major portion of the facial surface.
- MacBoyle Retainer: Modified Three Quarter Crown with retention from grooves at the labio-proximal line angles.
- Pin-ledge Retainer: Partial coverage restoration with two ledges and three pins for retention.
- Temporary Crown: A temporary crown used to protect the prepared tooth until the final crown is ready.
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Intracoronal Restoration: Restorations placed inside the tooth structure.
- Inlay Retainer: Restores the proximal and occlusal surfaces without covering the cusps.
- Onlay Retainer: A modified inlay that includes a cusp overlay to protect remaining tooth structure.
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Extracoronal Restoration: Crowns that cover the external part of a tooth.
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Description
Test your knowledge on the fundamentals of prosthodontics, including terminology related to prostheses, types of crowns, and the classification of removable and fixed prosthodontics. This quiz covers essential concepts that are crucial for understanding dental restorations.
