Journal of Dentistry
Volume 35, Issue 12 , Pages 897-902 , December 2007

Brittleness index of machinable dental materials and its relation to the marginal chipping factor

Received 17 December 2006 ,Revised 27 June 2007 ,Accepted 2 July 2007.

References 

  1. Mehl A, Hickel R. Current state of development and perspectives of machine-based production methods for dental restorations. International Journal of Computerized Dentistry. 1999;2:9–35
  2. Kelly JR, Luthy H, Gougoulakis A, Pober RL, Mormann WH. Machining effects on feldspathic porcelain and glass ceramic: fractographic analysis.. In:  Mormann WH editors. State of the art of the CEREC method international symposium on computer restorations. Zurich, Switzerland: Quintessence; 1991;p. 253–273
  3. Tsitrou EA, Northeast SE, van Noort R. Evaluation of the marginal fit of three margin designs of resin composite crowns using CAD/CAM. Journal of Dentistry. 2007;35:68–73
  4. Rekow ED. High-technology innovations- and limitations- for restorative dentistry. Dental Clinics of North America. 1993;37:513–524
  5. Shearer AC, Heymann HO, Wilson NH. Two ceramic materials compared for the production of CEREC inlays. Journal of Dentistry. 1993;21:302–304
  6. Sindel J, Petschelt A, Grellner F, Dierken C, Greil P. Evaluation of subsurface damage in CAD/CAM machined dental ceramics. Journal of Materials Science Materials in Medicine. 1998;9:291–295
  7. Baik DS, No KS, Chun JS, Yoon YJ, Cho HY. A comparative-evaluation method of machinability for mica-based glass-ceramics. Journal of Materials Science. 1995;30:1801–1806
  8. Xu HHK, Jahanmir S, Scratching . Grinding of a machinable glass-ceramic with weak interfaces and rising T-curve. Journal of the American Ceramic Society. 1995;78:497–500
  9. Taira M, Yamaki M. Ranking machinability of 9 machinable ceramics by dental high-speed cutting tests. Journal of Materials Science Letters. 1994;13:480–482
  10. Boccaccini AR. Machinability and brittleness of glass-ceramics. Journal of Materials Processing Technology. 1997;65:302–304
  11. Lawn BR, Marshall DB. Hardness, toughness, and brittleness—indentation analysis. Journal of the American Ceramic Society. 1979;62:347–350
  12. Sehgal J, Nakao Y, Takahashi H, Ito S. Brittleness of glasses by indentation. Journal of Materials Science Letters. 1995;14:167–169
  13. Sehgal J, Ito S. A new low-brittleness glass in the soda-lime–silica glass family. Journal of the American Ceramic Society. 1998;81:2485–2488
  14. Boccaccini AR. Assessment of brittleness in glass-ceramics and particulate glass matrix composites by indentation data. Journal of Materials Science Letters. 1996;15:1119–11121
  15. Scherrer SS, Denry IL, Wiskott HW. Comparison of three fracture toughness testing techniques using a dental glass and a dental ceramic. Dental Materials. 1998;4:246–255
  16. Quinn JB, Quinn GD. Indentation brittleness of ceramics: a fresh approach. Journal of Materials Science. 1997;32:4331–4346
  17. Ray KK, Dutta AK. Comparative study on indentation fracture toughness evaluations of soda–lime–silica glass. British Ceramic Transactions. 1999;98:165–171
  18. Ogilvy IM, Perrott CM, Suiter JW. On the indentation fracture of cemented carbide. Part 1. Survey of operative fracture modes. Wear. 1977;43:239–252
  19. Hand R.J. Personal communication, Faculty of Engineering, Department of Engineering Materials, University of Sheffield; 2005.
  20. Flanders LA, Quinn JB, Wilson OC, Lloyd IK. Scratch hardness and chipping of dental ceramics under different environments. Dental Materials. 2003;19:716–724

PII: S0300-5712(07)00130-3

doi: 10.1016/j.jdent.2007.07.002

Journal of Dentistry
Volume 35, Issue 12 , Pages 897-902 , December 2007