What question did this study set out to answer?

This study aims to evaluate how different irradiance levels and curing times affect the fracture toughness of resin-based composites.

April 22, 2026Restorative Dentistry & Endodontics0 citationsOpen Access

Effect of high irradiance and short exposure curing time on the fracture toughness of bulk-fill resin-based composite: an in vitro study

BSBeatriz Ometto Sahadi TRTainah Oliveira Rifane CACarolina Bosso André

Key Points

This study aims to evaluate how different irradiance levels and curing times affect the fracture toughness of resin-based composites.
Conducted in vitro tests on various resin-based composites with differing irradiance levels and curing times.
Measured and compared the fracture toughness values of the materials tested.
Results show variation in fracture toughness among different resin-based composites.
High irradiance combined with short curing times led to a reduction in fracture toughness for some composites.

Abstract

The RBCs tested had different fracture toughness values regardless of exposure time. High irradiance and short exposure can reduce fracture toughness depending on the RBC tested.

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Cite This Study

Sahadi et al. (Mon,) studied this question.

synapsesocial.com/papers/69e865476e0dea528dde9dce https://doi.org/https://doi.org/10.5395/rde.2026.51.e23

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