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Dental prostheses mimic the natural enamel behavior under functional loading: A review article
Ahmed A Madfa1, Xiao-Guang Yue2
1Department of Conservative Dentistry, Faculty of Dentistry, University of Thamar, Yemen.
The Japanese Dental Science Review
|April 15, 2017
Summary
Functionally graded ceramic dental prostheses, inspired by natural tooth structures, offer improved mechanical properties and durability. This approach addresses limitations of current alumina and zirconia restorations, enhancing clinical performance.
Area of Science:
- Biomaterials Science
- Dental Materials
- Materials Engineering
Background:
- Alumina and zirconia dental restorations face challenges including fracture, poor aesthetics, and weak cement bonds.
- Improving mechanical properties of ceramic dental materials is crucial for enhanced performance.
Purpose of the Study:
- To review the current status of functionally graded dental prostheses.
- To explore a novel material design approach inspired by the dentino-enamel junction (DEJ).
Main Methods:
- Review of existing literature on functionally graded materials in dental prosthetics.
- Analysis of DEJ structures and their linear Young's modulus gradation.
Main Results:
- Spatial gradients in surface composition and structure can enhance mechanical integrity.
- Functionally graded designs show potential for improved performance over traditional prostheses.
Conclusions:
- Functionally graded dental prostheses represent a promising approach inspired by natural tooth structures.
- This design strategy can lead to improved clinical durability and address current material limitations.