| Autor: |
Aboras, Mohamed M., Muchtar, A., Azhari, C.H., Yahaya, N. |
| Zdroj: |
Applied Mechanics and Materials; June 2014, Vol. 575 Issue: 1 p22-25, 4p |
| Abstrakt: |
Zirconia (ZrO2) is used to fix restorations as a core material because of its mechanical properties, aesthetics, and compatibility. This study aims to analyze the failure types in ZrO2-based restoration fabricated in a dental laboratory in Misurata, Libya. Data were collected from laboratory records for a 30-day period with follow-up for five months. About 6% of the total restorations had defects with different percentages, 46% of which were fractures, 29% of which had weak bonding between ZrO2 frameworks and veneers, 18% of which had cracks, and 7% of which had shade defects. Although ZrO2 is a suitable material for dental restorations, defects may occur and lead to the failure of dental restorations. A thorough study is necessary to analyze the cause of failurein zirconia-based restorationsand to improve the properties to produce a versatile dental restorative material. |
| Databáze: |
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