Evaluation of the Effect of Preheating on Micro Leakage of Class II Composites Restoration : A Comparative in Vitro Study

Hasson, Wasan M.; Abdul-Ameer, Zainab M.

doi:10.12816/0038745

Cited by 1 publication

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“…The same steps and materials used to restore the groups were repeated, but the composite material was placed into commercially available composite warmer set to 54 °C before being placed into the cavity (Dionysopoulos et al, 2014;Hasson and Abdulameer 2017). The composite material was applied immediately after removing it from the heating device, because approximately 14 °C reduction in temperature occurs in the first 2 min after the composite tube is removed from the warming device (Daronch et al, 2006).…”

Section: Application Of Composite Resinmentioning

confidence: 99%

Fracture resistance of weakened premolars restored with different preheated bulk fill composites (A comparative in vitro study)

2018

Int. J. Biosci.

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Objective: This was performed to evaluate the preheating effect of different bulk fill composite materials on the fracture resistance of the maxillary premolars. A 64 caries & crack-free maxillary premolar teeth were divided into groups and subgroups with eight teeth each: group 1, sound unprepared teeth; group 2, teeth received (MOD) cavity and left unrestored; group 3-A, restored with Filtek TM bulk fill posterior restoration; group 3-B, restored with preheated Filtek TM bulk fill posterior restoration; group 4-A, restored with Beautifil -Bulk ™ composite; group 4-B, restored with preheated Beautifil -Bulk ™ composite; group 5-A, restored with Tertic Evo Ceram® Bulk Fill composite; and group 5-B, restored with preheated Tertic Evo Ceram® Bulk Fill composite.The teeth subjected to compression load with the long axis of the teeth until fractured using a universal testing machine. The data were statistically analyzed using one-way ANOVA, LSD test and t-test. The specimens in groups 3-5 were examined to evaluate the mode of failure. Group 1 showed the highest fracture resistance compared with other groups at room temperature and preheated composite materials. The differences among groups were statistically highly significant (P<0.01).Group 2 showed the lowest fracture resistance. Among the restored groups, group 4 recorded the highest fracture resistance than others, and statistically significant difference was found (P<0.05).No statistically significant differences were found (P<0.05) among the restored groups when preheated composite materials were used. No statistically differences were found (P<0.05) among the subgroups except group 5-A at room temperature and group 5-B at 54±1 °C.

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Section: Application Of Composite Resinmentioning

confidence: 99%

Fracture resistance of weakened premolars restored with different preheated bulk fill composites (A comparative in vitro study)

2018

Int. J. Biosci.

View full text Add to dashboard Cite

show abstract

Evaluation of the Effect of Preheating on Micro Leakage of Class II Composites Restoration : A Comparative in Vitro Study

Cited by 1 publication

References 0 publications

Fracture resistance of weakened premolars restored with different preheated bulk fill composites (A comparative in vitro study)

Fracture resistance of weakened premolars restored with different preheated bulk fill composites (A comparative in vitro study)

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