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In Vitro Evaluation of the Fracture Resistance and Microleakage of Porcelain Laminate Veneers Bonded to Teeth with Composite Fillings After Cyclic Loading by Sadighpour, Leyla; Geramipanah, Farideh; Allahyari, Somayeh; Fallahi Sichani, Babak; Kharazi Fard, Mohamd Javad is a Dentistry article available to read on EtoBox.
What is In Vitro Evaluation of the Fracture Resistance and Microleakage of Porcelain Laminate Veneers Bonded to Teeth with Composite Fillings After Cyclic Loading about?
## PURPOSE There is insufficient data regarding the durability of porcelain laminate veneers bonded to existing composite fillings. The aim of the present study was to evaluate the fracture resistance and microleakage of porcelain laminate veneers bonded to teeth with existing composite fillings. ## MATERIALS AND METHODS Thirty maxillary central incisors were divided into three groups (for each group, n=10): intact teeth (NP), teeth with class III composite fillings (C3) and teeth with class IV cavities (C4). Porcelain laminate veneers were made using IPS-Empress ceramic and bonded with Panavia F2 resin cement. The microleakage of all of the specimens was tested before and after cyclic loading (1 × 10^6^ cycles, 1.2 Hz). The fracture resistance values (N) were measured using a universal testing machine, and the mode of failure was also examined. The statistical analyses were performed using one-way ANOVA and Tukey post hoc tests (α=.05). ## RESULTS There was a significant difference in the mean microleakage of group C4 compared with group NT (__P__=.013). There was no significant difference in the fracture loads among the groups. ## CONCLUSION The microleakage and failure loads of
Who reads In Vitro Evaluation of the Fracture Resistance and Microleakage of Porcelain Laminate Veneers Bonded to Teeth with Composite Fillings After Cyclic Loading?
It is typically read by researchers, students, and practitioners in Dentistry.
- Author
- Sadighpour, Leyla; Geramipanah, Farideh; Allahyari, Somayeh; Fallahi Sichani, Babak; Kharazi Fard, Mohamd Javad
- Publisher
- The Korean Academy of Prosthodontics (KAMJE); The Korean Academy of prosthodontics; Seoul: Korean Academy of Prosthodontics (ISSN 2005-7806)
- Published
- 2014
- Language
- EN
- Field
- Dentistry (Health Sciences)