Fracture strength of endodontically treated teeth restored with different fiber post and core systems

Özyürek, Taha; Topkara, Can; Koçak, İmran; Yılmaz, Koray; Gündoğar, Mustafa; Uslu, Gülşah

doi:10.1007/s10266-020-00481-4

Cited by 14 publications

(18 citation statements)

References 37 publications

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“…The results produced in the present in vitro study ( Table 3 ) showed that the teeth in group 3 (glass fiber with a composite core and Sure-Seal Root) had significantly higher fracture values compared to group 2 (FiberSite and AH Plus) ( p < 0.05). This result is also consistent with the findings of an earlier study, which reported that the fracture resistance of the Relyx fiber post was significantly higher than that of the FiberSite post and can be explained by the design of the posts [ 21 ]. Certain fiber posts feature grooves on the posts that are designed to ensure that they are retained in the coronary segments and which can adversely affect the fracture resistance of the posts.…”

Section: Discussionsupporting

confidence: 93%

Comparison of Fracture Resistance of Endodontically Treated Teeth Restored with FiberSite Postsystem and Glass Fiber, Combined with Different Root Canal Sealers

Eren

Ozasir

Kandemir

et al. 2021

BioMed Research International

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This study is aimed at evaluating the effects of FiberSite and glass fiber postsystems on the fracture resistance of endodontically restored teeth, when combined with various root canal sealers. Forty human mandibular premolar teeth, each having a single root with anatomically comparable dimension and length, were selected. The teeth in each experimental group ( n = 10 ) were instrumented, obturated, and restored with the following procedures: in group 1, AH Plus root canal sealer and a glass fiber post with a composite core; in group 2, AH Plus root canal sealer and a FiberSite postsystem; in group 3, Sure-Seal Root canal sealer and a glass fiber post with a composite core; and in group 4, Sure-Seal Root canal sealer and a FiberSite postsystem. The specimens were placed on a universal test machine. The fracture resistance of all specimens was tested using generic test equipment, and the value of the force in newton (N) during fracture was measured for each root. A statistical analysis was conducted through the Kruskal–Wallis test as well as the post hoc test. The tests showed a significant difference between groups 2 and 3, with group 3 producing load values that were significantly higher than group 2. In contrast, no significant differences were found to exist between the other groups. Regardless of postsystems, groups 3 and 4 showed higher mean fracture values (but no statistically significant differences) than groups 1 and 2.

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Section: Discussionsupporting

confidence: 93%

Comparison of Fracture Resistance of Endodontically Treated Teeth Restored with FiberSite Postsystem and Glass Fiber, Combined with Different Root Canal Sealers

Eren

Ozasir

Kandemir

et al. 2021

BioMed Research International

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“…After removing the duplicates, the literature search retrieved 2597 manuscripts for the initial examination. Then, 5016 studies were excluded after reviewing the titles and abstracts, leaving a total of five studies to be assessed by full-text reading [ 19 , 20 , 21 , 22 , 23 ]. Of these, two studies were not considered in the qualitative analysis [ 21 , 22 ], leaving a total of three articles [ 19 , 20 , 23 ] that were used in the meta-analysis; the reasons for exclusion are given in the PRISMA flow diagram.…”

Section: Resultsmentioning

confidence: 99%

Effect of Composite Core Materials on Fracture Resistance of Endodontically Treated Teeth: A Systematic Review and Meta-Analysis of In Vitro Studies

Żarow¹,

Dominiak

Szczeklik

et al. 2021

Polymers

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Various material properties are involved in the success of endodontically treated restorations. At present, restorative composites are commonly employed as core build-up materials. This study aimed to systematically review the literature to assess the effect of using composite core materials on the in vitro fracture of endodontically treated teeth. Two different reviewers screened the literature, up to June 2021, in five distinct electronic databases: PubMed (MedLine), Scopus, Scielo, ISI Web of Science, and EMBASE. Only in vitro studies reporting the effect of the use of composite core materials on the fracture resistance of endodontically treated teeth were included. A meta-analysis was carried out using a software program (Review Manager v5.4.1; The Cochrane Collaboration, Copenhagen, Denmark). The risk of bias in each study was assessed following the parameters of another systematic review. A total of 5016 relevant papers were retrieved from all databases. After assessing the title and abstract, five publications remained for qualitative analysis. From these, only three studies remained for meta-analysis. The fracture strength of endodontically treated teeth where a core build-up composite was used was statistically significantly higher than the control (p = 0.04). Most of the analyses showed a high heterogenicity. The in vitro evidence suggests that the composite core build-up with higher filler content tended to improve the fracture resistance of the endodontically treated teeth, in comparison with conventional composite resins. This research received no external funding. Considering that this systematic review was only carried out on in vitro papers, registration was not performed. Furthermore, there were no identified clinical studies assessing core build-up materials; therefore, more well-designed research on these materials is needed.

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“…The fracture strength values of teeth restored with a root canal treatment can be affected according to different post and core systems. However, the use of fiber posts does not improve fracture resistance ( 30 ).…”

Section: Discussionmentioning

confidence: 99%

Influence of different fiberglass post geometries on the stress distribution and Pull-out bond strength before and after mechanical cycling

Pignataro¹

2020

Eur Endod J

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Objective: There are no reports in the literature on whether FGP geometry influences the bond strength of the endodontically restored tooth. This study aimed to determine the stress distribution and the pull-out bond strength of different FGP geometries, before and after chewing loads simulation. Methods: One hundred and twenty root analogues were prepared and randomly distributed in six groups according to the post geometry. Half of the specimens were aged in water at 37 °C using a mechanical fatigue machine (84 N, 2 bar, 45°, 10 6 cycles, 4 Hz); while the remaining specimens were immediately submitted to the pull-out bond strength test. The specimens were tested in a universal testing machine and the bond strength in MPa was calculated. To assess the stress concentration, the finite element method was used simulating the same post geometries that were used in the in vitro test. Results: Two-way ANOVA (95%) showed no influence of post geometry on the bond strength (P=0.055) while fatigue cycling was statistical significant to reduce the bond strength values (P=0.000). The factors interaction was significant (P=0.019); however, TUKEY test (5%) showed no significant difference between post geometries after mechanical cycling. The tensile stress result showed critical areas in the post’s cervical region regardless of the design. Conclusion: The FGP geometry does not affect the root stress distribution and the long-term bond strength. However, FGP that allow a reduced cement layer thickness can improve the immediate pull-out bond strength value.

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Fracture strength of endodontically treated teeth restored with different fiber post and core systems

Cited by 14 publications

References 37 publications

Comparison of Fracture Resistance of Endodontically Treated Teeth Restored with FiberSite Postsystem and Glass Fiber, Combined with Different Root Canal Sealers

Comparison of Fracture Resistance of Endodontically Treated Teeth Restored with FiberSite Postsystem and Glass Fiber, Combined with Different Root Canal Sealers

Effect of Composite Core Materials on Fracture Resistance of Endodontically Treated Teeth: A Systematic Review and Meta-Analysis of In Vitro Studies

Influence of different fiberglass post geometries on the stress distribution and Pull-out bond strength before and after mechanical cycling

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