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Faculty of Dentistry
Document Details
Document Type
:
Article In Journal
Document Title
:
MARGINAL FIT AND FRACTURE STRENGTH OF DIFFERENT TYPES OF IN-CERAM CROWNS
MARGINAL FIT AND FRACTURE STRENGTH OF DIFFERENT TYPES OF IN-CERAM CROWNS
Document Language
:
English
Abstract
:
The present study was done to investigate In-Ceram alumina, In-Ceram Zirconia and celay In-Ceram crowns cemented using panavia resin cement as regards marginal fit and fracture strength. Thirty human maxillary incisors free from caries were selected and stored in normal saline solutions. The teeth were prepared to make crowns from the three types of In-Ceram, then divided randomly into three groups, group I for In-Ceram a1umina, group II for In-Ceram Zirconia and group In for milled celay In-Ceram crowns. The crowns were cemented using resin cement, and the marginal fit was evaluated by measuring the gap distance between the edge of the crown and prepared tooth margin using sterio-microscope. The fracture strength of cemented crowns was evaluated using mechanical testing machine. The results were recorded and statistically analyses using analysis of variance and student T test at P<0.05. The results of marginal fit showed a statistical significant difference between the three evaluated types, P test <0.05 showed a significant difference between In-ceram a1umina and celay In-ceram. While no significant difference between In-ceram a1umina and In-ceram zirconia as well as between In-ceram zirconia and celay In-ceram types. The fracture loads was significantly higher in case of In-ceram zirconia than in case of celay In-ceram, no significant difference between In-ceram a1umina and celay In-ceram was detected. It was concluded that, celay In-ceram showed the best marginal fit, the fracture load of In-ceram zirconia crowns were significantly higher than In-ceram alumina and celay In-ceram crown.
ISSN
:
9484-0070
Journal Name
:
EGYPTIAN DENTAL JOURNAL
Volume
:
55
Issue Number
:
1
Publishing Year
:
1430 AH
2009 AD
Article Type
:
Article
Added Date
:
Sunday, June 27, 2010
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
عبد الغني ميره
Mira, Abdulghani
Investigator
Doctorate
Files
File Name
Type
Description
27147.pdf
pdf
27148.pdf
pdf
27149.pdf
pdf
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