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Competition of fracture mechanisms in monolithic dental ceramics: Flat model systems by Yu Zhang; Jae-Won Kim; Sanjit Bhowmick; Van P. Thompson; E. Dianne Rekow is a Medicine article available to read on EtoBox.
What is Competition of fracture mechanisms in monolithic dental ceramics: Flat model systems about?
## Abstract Monolithic (single layer) glass‐ceramic restorations often fail from chipping and fracture. Using blunt indentation of a model flat porcelain‐like brittle layer bonded onto a dentin‐like polymer support system, a variety of fatigue fracture modes has been identified and analyzed: outer cone, inner cone, and median cracks developing in the near‐contact region at the occlusal surface; radial cracks developing at the internal cementation surface along the loading axis. Our findings indicate that monolithic glass‐ceramic layers are vulnerable to both occlusal surface damage and cementation internal surface fracture. Clinical issues in the longevity of ceramic restorations are discussed in relation to biting force, physical properties of ceramic crowns and luting cement, and thicknesses of ceramic and cement layers. © 2008 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2009
Who reads Competition of fracture mechanisms in monolithic dental ceramics: Flat model systems?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Yu Zhang; Jae-Won Kim; Sanjit Bhowmick; Van P. Thompson; E. Dianne Rekow
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1552-4973)
- Published
- 2008
- Language
- EN
- Field
- Medicine (Health Sciences)