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ORIGINAL ARTICLE
Year : 2014  |  Volume : 2  |  Issue : 3  |  Page : 144-148

Comparison of fracture resistance of endodontically treated teeth with MOD cavity using different techniques of fiber insertion


1 Department of Prosthodontics, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
2 Department of Prosthodontics, Faculty of Dentistry, Bulent Ecevit University, Zonguldak, Turkey
3 Department of Restorative Dentistry, Faculty of Dentistry, Gaziosmanpasa University, Tokat, Turkey
4 Department of Prosthodontics, Faculty of Dentistry, Gaziantep University, Gaziantep, Turkey
5 Department of Prosthodontics, Faculty of Dentistry, Cumhuriyet University, Sivas, Turkey
6 Department of Endodontics, Faculty of Dentistry, Akdeniz University, Antalya, Turkey

Correspondence Address:
Omer Kirmah
Departments of Prosthodontics, Faculty of Dentistry, Akdeniz University, Antalya
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2321-4619.143598

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Objectives: The purpose of this study was to evaluate the effect of fiber by using different techniques on fracture resistance of endodontically treated molars with mesio-occlusal-distal (MOD) cavities. Materials and Methods: Forty extracted human molars were randomly assigned to four groups (n = 10). Teeth in Groups 2-4 received root canal treatment and a MOD cavity preparation. Group 1 served as control. Group 2 was restored with composite resin. In Group 3, the fiber was inserted into the cavities in buccal to lingual direction by coating the occlusal one-third of the buccal wall to the occlusal one-third of the lingual wall, and lastly, the teeth were restored with composite resin. In Group 4, the flowable resin was coated inside the cavities with the fiber, as Group 3 was before restoring teeth with composite resin. Compressive loading of the teeth was performed at a cross-head speed of 0.5 mm/min. Data were analyzed using one-way ANOVA and Tukey post-hoc tests. Results: Fracture resistance values of all the groups were compared; the differences between Groups 2 and 3 or Groups 2 and 4 were found to be statistically significant. Conclusions: As a result, use of the fiber under composite resin with a flowable resin increased fracture strength to MOD cavities.


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