Abstract

High-strength all-ceramic systems for fixed partial dentures (FPDs) are necessary for replacing missing teeth. The ability to fabricate a restoration outside the mouth and subsequently integrate it with a tooth extends the range of materials available to be utilized by a dentist. This article presents a review of the development of all-ceramic restorations, including the evolution and development of materials, technologies and how to improve the strength of all-ceramic restorations, with respect to survival, applications, strength, color, and aesthetics. New core/framework materials have developed and evolved over the last decade because of the growth of ceramic materials and systems currently available for utilization. A search of English language reviewed literature was undertaken, which focused on the evidence-based published research articles. This review also elucidates the various all-ceramic materials and systems currently available for clinical use, and that no single universal material or system exists for all clinical cases. Successful implementation depends on the clinicians, materials, manufacturing techniques, and individual clinical condition. Further longitudinal clinical studies are recommended for the development of ceramic materials and systems.

Highlights

  • High-strength all-ceramic systems for ûxed partial dentures (FPDs) are necessary for replacing missing teeth

  • This article presents a review of the development of all-ceramic restorations, including the evolution and development of materials, technologies and how to improve the strength of all-ceramic restorations, with respect to survival, applications, strength, color, and aesthetics

  • Afterwards feldspathic porcelains with reliable chemical bonding were used in metal ceramic restorations for more than 50 years 2

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Summary

Long needlelike crystals

Castable CAD/CAM s: 60-70 MPa; KIC: 0.9-1.2 MPa·m1/2 E:70 GPa; H:6 GPa; s:120-150 MPa; K : 1.5 MPa·m1/2 ; IC. CTE: vary, depends on type of core materials s:160 MPa; KIC: 1.3 MPa·m1/2 E:65 GPa; H: 6.2 GPa; CTE: 16.6-17.5×10-6 K-1 (100-500oC ) s: 360-400 MPa; KIC: 2.2-2.7 MPa·m1/2 E: 95 GPa; H: 5.8 GPa; CTE: 10.5×10-6 K-1 (100-500oC) s:150 MPa; KIC: 1.4-1.5 MPa·m1/2 E:68 GPa; H: 3.3-3.5 GPa; CTE: 6.4-7.2×10-6 K-1. Resin-bonded laminate, crown, onlays and inlays Resin-bonded laminate, onlays inlays, crown and anterior bridge Resin-bonded laminate, anterior crown and posterior inlays

Pure alumina
Flexural strengthMPa
CONCLUSION
Biaxial flexural strength and microstructure
Effect of an ion exchange paste on the strength
Findings
Mechanical and magnetic properties of nickel
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