Home Subscription Services

The International Journal of Prosthodontics
IJP Home Page
About the Editor
Editorial Board
Accepted Manuscripts
Author Guidelines
Submission Form
Reprints / Articles
Quintessence Publishing: Journals: IJP
The International Journal of Prosthodontics

Edited by George A. Zarb, BChD, DDS, MS, MS, FRCD(C)

ISSN 0893-2174

May/June 1996
Volume 9 , Issue 3

Share Abstract:

Leucite crystallization during processing of a heat-pressed dental ceramic

Mackert, Jr/Russell

Pages: 261-265
PMID: 8957861

This investigation was conducted in an effort to elucidate the mechanism of the strengthening that occurs during processing of a heat-pressed dental ceramic (IPS Empress). The effect of processing on leucite content was determined via quantitative x-ray diffraction. A significant effect of processing was revealed by analysis of variance (P < .0001). Post-hoc comparisons by Student-Neuman-Keuls and Duncan’s Multiple Range tests revealed no difference in leucite content after perssing, but the leucite content was significantly higher (P < .05) after a single surface colorant firing. A second colorant firing produced a further significant increase in leucite content (P < .05), but no further increase in leucite content was observed following the remaining colorant and glaze firings. The increase in leucite after firing is consistent with the increase in flexural strength following firing observed by Dong et al in 1992.

Full Text PDF File | Order Article


Get Adobe Reader
Adobe Acrobat Reader is required to view PDF files. This is a free program available from the Adobe web site.
Follow the download directions on the Adobe web site to get your copy of Adobe Acrobat Reader.
  © 2017 Quintessence Publishing Co Inc

Home | Subscription Services | Books | Journals | Multimedia | Events | Blog
Terms of Use | Privacy Policy | About Us | Contact Us | Advertising | Help | Sitemap | Catalog