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Building up tooth preparations for full crowns--2000
1Clinical Research Associates, Provo, Utah, USA.
Journal of the American Dental Association (1939)
|April 19, 2000
Summary
Modern dental cements allow for more conservative tooth preparation for crowns and fixed prosthesis abutments. While build-ups are still sometimes necessary, they are needed less frequently than before, with fillers often used instead.
Area of Science:
- Restorative Dentistry
- Dental Materials Science
Background:
- Traditionally, significant tooth structure removal and extensive build-ups were common for crowns and fixed prosthesis abutments.
- Advancements in dental cements, including hybrid ionomers and resins, offer enhanced strength and bonding capabilities.
Purpose of the Study:
- To evaluate the necessity and frequency of tooth build-ups for crowns and fixed prosthesis abutments in light of modern dental materials.
- To compare the requirements for teeth serving as single full crown abutments versus fixed prosthesis abutments.
Main Methods:
- Review of current dental materials and restorative techniques.
- Analysis of clinical considerations for abutment preparation based on remaining tooth structure and required buildup strength.
Main Results:
- Current high-strength cements enable more conservative tooth preparations, reducing the need for extensive build-ups.
- Teeth designated as fixed prosthesis abutments necessitate greater remaining tooth structure and buildup strength compared to single full crown abutments.
- Fillers are increasingly utilized to restore lost tooth structure from previous restorations, often replacing traditional build-ups.
Conclusions:
- Tooth build-ups for crowns and fixed prosthesis abutments are still indicated but required less frequently due to improved cement properties.
- Conservative treatment planning is facilitated by modern dental materials, allowing for preservation of more natural tooth structure.