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Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
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[Loading and strength of single- and multi-unit fixed dental prostheses 2. Strength]
Nederlands Tijdschrift Voor Tandheelkunde
|June 3, 2014
Summary
The ultimate strength of dental prostheses depends on factors like span length and abutment tooth design. Understanding these elements is crucial for preventing fractures in fixed dental prostheses.
Area of Science:
- Dental materials science and biomechanics.
- Analysis of mechanical properties of dental prostheses.
Context:
- Porcelain and ceramic fractures are common complications in fixed dental prostheses.
- Functional loading forces from the orofacial system significantly influence prosthesis integrity.
Purpose:
- To identify critical components and configuration factors affecting the ultimate strength of single- and multi-unit fixed dental prostheses.
- To highlight the importance of material thickness and design in preventing prosthesis failure.
Summary:
- Ultimate strength is the maximum load a prosthesis withstands before fracture.
- Key factors include arch span length, pontic-connector design, cantilevers, abutment convergence angle, cervical outline design, and veneer thickness (porcelain/ceramic).
Impact:
- Provides crucial insights for designing more durable and fracture-resistant dental prostheses.
- Aims to reduce the incidence of costly and inconvenient prosthesis failures for patients.
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