Polymer infiltrated ceramic network structures for resistance to fatigue fracture and wear

Polymer infiltrated ceramic network structures for resistance to fatigue fracture and wear

Highlights • The ability of polymer infiltrated ceramic network (PICN) monolithic crowns to sustain high bite force and wear challenge has been evaluated. • PICN crowns can withstand mouth-motion cyclic loading up to 1700 N and 300 K cycles. • PICN crowns have only suffered minor wear following prol...

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Veröffentlicht in:Dental materials 2016-11, Vol.32 (11), p.1352-1361
Hauptverfasser: El Zhawi, Haifa, Kaizer, Marina R, Chughtai, Asima, Moraes, Rafael R, Zhang, Yu
Format: Artikel
Sprache:eng
Schlagworte:
Advanced Basic Science
CAD/CAM crowns
Ceramics
Computer-Aided Design
Crowns
Damage modes
Dental materials
Dental Porcelain
Dental Restoration Failure
Dental Stress Analysis
Dentistry
Fatigue (materials)
Fatigue cracks
Fatigue failure
Fatigue fracture
Fatigue tests
Fracture mechanics
Humans
Materials Testing
Polymer infiltrated ceramic network
Polymers
Wear
Wear tests
X-Ray Microtomography
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Zusammenfassung:Highlights • The ability of polymer infiltrated ceramic network (PICN) monolithic crowns to sustain high bite force and wear challenge has been evaluated. • PICN crowns can withstand mouth-motion cyclic loading up to 1700 N and 300 K cycles. • PICN crowns have only suffered minor wear following prolonged sliding-contact cyclic loading under clinically relevant conditions. • Under extreme loads (>2000 N), fracture may occur by splitting the crowns mesio-distally.
ISSN:0109-5641
1879-0097
1879-0097
DOI:10.1016/j.dental.2016.08.216