Evaluation of microhardness of short fiber-reinforced composites inside the root canal after different light curing methods – An in vitro study

Fráter, Márk; Grosz, János; Jakab, András; Braunitzer, Gábor; Tarjányi, Tamás; Gulyás, Gábor; Bali, Krisztián; Villa-Machado, Paula Andrea; Garoushi, Sufyan; Forster, András

doi:10.1016/j.jmbbm.2023.106324

Journal of the Mechanical Behavior of Biomedical Materials

2024

DOI: 10.1016/j.jmbbm.2023.106324

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Evaluation of microhardness of short fiber-reinforced composites inside the root canal after different light curing methods – An in vitro study

Márk Fráter,

János Grosz,

András Jakab

et al.

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2024

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Longer light‐curing time decreases the effect of ageing on composite resin hardness used in root reinforcement

Teixeira,

Vitali,

Bortoluzzi

et al. 2024

Aust Endodontic J

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This study evaluated the hardness of a composite resin used for root reinforcement, considering the light‐curing time, root canal region and ageing due to long‐term storage. Twenty incisor roots were reinforced using composite resin, varying the photopolymerisation time (40 or 120 s). Following fibre post cementation, the roots were transversely sectioned into coronal, middle and apical regions. Composite hardness was measured initially and after 18 months of water storage. Data underwent repeated measures analysis of variance and Tukey's post hoc tests. The factors ‘light‐curing time’, ‘root region’ and ‘ageing’ affected the hardness. Significant interactions were observed between ‘light‐curing time × root region’ and ‘ageing × light‐curing time’. Regardless of time, resin hardness in the apical region was lower. After ageing, hardness in the coronal and middle regions decreased when the light‐curing time was 40 s, while no significant effect on hardness was noted with a light‐curing time of 120 s.

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Longer light‐curing time decreases the effect of ageing on composite resin hardness used in root reinforcement

Teixeira,

Vitali,

Bortoluzzi

et al. 2024

Aust Endodontic J

View full text Add to dashboard Cite

show abstract

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Evaluation of microhardness of short fiber-reinforced composites inside the root canal after different light curing methods – An in vitro study

Cited by 1 publication

References 59 publications

Longer light‐curing time decreases the effect of ageing on composite resin hardness used in root reinforcement

Longer light‐curing time decreases the effect of ageing on composite resin hardness used in root reinforcement

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