Bulk Fill Composites Have Similar Performance to Conventional Dental Composites.

International Journal of Molecular Sciences
Håvard J HaugenGaute Floer Johnsen

Abstract

The aim of the study was to perform comprehensive characterization of two commonly used bulk fill composite materials (SDR Flow (SDR) and Filtek™ Bulk Fill Flowable Restorative (FBF) and one conventional composite material (Tetric EvoCeram; TEC). Eleven parameters were examined: flexural strength (FS), flexural modulus (FM), degree of conversion, depth of cure, polymerisation shrinkage (PS), filler particle morphology, filler mass fraction, Vickers hardness, surface roughness following simulated toothbrush abrasion, monomer elution, and cytotoxic reaction of human gingival fibroblasts, osteoblasts, and cancer cells. The degree of conversion and depth of cure were the highest for SDR, followed by FBF and TEC, but there was no difference in PS between them. FS was higher for bulk fill materials, while their FM and hardness were lower than those of TEC. Surface roughness decreased in the order TEC→SDR→FBF. Bisphenol A-glycidyl methacrylate (BisGMA) and urethane dimethacrylate were found in TEC and FBF eluates, while SDR released BisGMA and triethylene glycol dimethacrylate. Conditioned media accumulated for 24h from FBF and TEC were cytotoxic to primary human osteoblasts. Compared to the conventional composite, the tested bulk fil...Continue Reading

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Citations

Sep 25, 2020·Scientific Reports·Håvard J HaugenLiebert Parreiras Nogueira
Sep 5, 2021·Dental Materials : Official Publication of the Academy of Dental Materials·Soraya Salmanzadeh ArdestaniDanyel Elias da Cruz Perez

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Methods Mentioned

BETA
light scattering
infrared spectroscopy
X-ray
scanning electron microscopy

Software Mentioned

SigmaPlot

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