2021
DOI: 10.5005/jp-journals-10005-1901
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Comparative Evaluation of Fracture Resistance of Endodontically Treated Teeth Restored with Different Core Build-up Materials: An In Vitro Study

Abstract: A bstract The aim is to evaluate the fracture resistance of endodontically treated teeth restored with posterior direct composite (PRC) resin, bulk-fill composite resin, dual-cure composite (DCC) resin, and short fiber-reinforced composite (SFC) resin material. Materials and methods Ninety sound maxillary premolar teeth were divided into 6 groups which comprised 15 teeth each. Group I was a negative control group where neither cavity preparation nor root canal… Show more

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Cited by 7 publications
(10 citation statements)
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References 36 publications
(37 reference statements)
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“…When the thickness of the material is thinner, the volume of SFRC material involved is less, which causes the stress that is formed to be smaller. 20,21 This explains the relation between intracanal retention length and fracture toughness value, and the reason why group C with shorter intracanal retention thickness have a higher fracture toughness value. The more length of intracanal retention of SFRC, the higher shrinkage polymerization will occur, causing fracture toughness value to decrease.…”
Section: Resultsmentioning
confidence: 95%
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“…When the thickness of the material is thinner, the volume of SFRC material involved is less, which causes the stress that is formed to be smaller. 20,21 This explains the relation between intracanal retention length and fracture toughness value, and the reason why group C with shorter intracanal retention thickness have a higher fracture toughness value. The more length of intracanal retention of SFRC, the higher shrinkage polymerization will occur, causing fracture toughness value to decrease.…”
Section: Resultsmentioning
confidence: 95%
“…In addition, shrinkage will occur greater in fibers perpendicular to the direction of polymerization because the bond between the fiber and the matrix is broader in the direction of the fiber orientation that is lead to a lower fracture toughness value with more intracanal retention length. According to a study conducted by Gupta et al 20 that cited from Giachetti, the degree of polymerization shrinkage stress becomes smaller when the thickness of the composite resin material is thinner. When the thickness of the material is thinner, the volume of SFRC material involved is less, which causes the stress that is formed to be smaller.…”
Section: Resultsmentioning
confidence: 99%
“…Paralelamente a essa análise, uma série de estudos et al, 2020;Bijelic-Donova et al, 2020;Kaur et al, 2021;Garlapati et al, 2017;Yasa et al, 2016, Ozsevik et al, 2016Mena-Alvarez et al, 2020) ). A menor resistência dos compósitos direitos pode ser explicada devido à sua contração de polimerização, resultando em quebras marginais, já a maior resistência do CRRF pode ser explicada pelas suas fibras curtas de vidro que, no comprimento adequado, podem funcionar como um reforço para distribuição de forças (Garlapati et al, 2017;Garoushi et al, 2007;Vallittu et al, 1994).…”
Section: Influência Do Materials Restaurador Na Resistência à Fratura...unclassified
“…Com o desenvolvimento dos sistemas adesivos e dos novos materiais compósitos resinosos reforçados por fibras (CRRF), novos estudos vêm sendo divulgados sobre uma filosofia "no post" (Garlapati et al, 2017). Esses materiais apresentam-se como possíveis substitutos do uso dos retentores e de outras resinas compostas, visto que atuam como reforço e Research, Society and Development, v. 12, n. 7, e6012737863, 2023 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v12i7.37863 3 substituição da dentina, aumentando a resistência à fratura e o módulo flexural da mesma (Kassis et al, 2020;Kaur et al, 2021). Essa técnica, também chamada de "wallpapering technique", consiste em uma ferramenta valiosa para aumento da longevidade da restauração de dentes vitais e não vitais estruturalmente comprometidos, através da proteção das paredes da cavidade com fibras de reforço, favorecendo o prognóstico das reabilitações (Delipere et al, 2017).…”
Section: Introductionunclassified
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