Effects of different whiskers on the reinforcement of dental resin composites

Xu, Hockin H.K.; Quinn, Janet B.; Smith, Deane K.; Giuseppetti, Anthony A.; Eichmiller, Frederick C.

doi:10.1016/s0109-5641(02)00078-7

Cited by 112 publications

(97 citation statements)

References 36 publications

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“…Fiber reinforcements with ceramic and metal fibers are the most common approaches to improve the mechanical properties of dental and orthopedic composites [22,23]. The success of such reinforcements was not ideal due to the large fillers size, poor filler-matrix bonding, unequal distribution of fillers, and the presence of stress concentration areas [24].…”

Section: Composite Reinforcement Trialsmentioning

confidence: 99%

Reinforcement of flowable dental composites with titanium dioxide nanotubes

et al. 2016

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Section: Composite Reinforcement Trialsmentioning

confidence: 99%

Reinforcement of flowable dental composites with titanium dioxide nanotubes

et al. 2016

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“…Since there have been no significant advances in improving the properties of polymer matrix materials, recent improvements in resin composite properties are due primarily to advances in filler technology 15) . Generally, particles (random orientation), whiskers (single or multi-layer) and fibers (long or short fibers in various orientations) have been used to reinforce resin composite materials [16][17][18][19] . Fiber-reinforced resin composites have been shown to possess a suitable flexural strength and elastic modulus to function successfully in oral cavities 20) .…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties, volumetric shrinkage and depth of cure of short fiber-reinforced resin composite

Tsujimoto

Barkmeier

Takamizawa

et al. 2016

Dental Materials Journal

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The mechanical properties, volumetric shrinkage and depth of cure of a short fiber-reinforced resin composite (SFRC) were investigated in this study and compared to both a bulk fill resin composite (BFRC) and conventional glass/ceramic-filled resin composite (CGRC). Fracture toughness, flexural properties, volumetric shrinkage and depth of cure of the SFRC, BFRC and CGRC were measured. SFRC had significantly higher fracture toughness than BFRCs and CGRCs. The flexural properties of SFRC were comparable with BFRCs and CGRCs. SFRC showed significantly lower volumetric shrinkage than the other tested resin composites. The depth of cure of the SFRC was similar to BFRCs and higher than CGRCs. The data from this laboratory investigation suggests that SFRC exhibits improvements in fracture toughness, volumetric shrinkage and depth of cure when compared with CGRC, but depth of cure of SFRC was similar to BFRC.

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“…Attempts to improve the mechanical properties and loadbearing capacity of resin composites included changing the type or size of fillers, use of surface silanization 3,4) , reinforcing the resin with glass fibers [5][6][7] , whiskers 8) or particulate ceramic fillers 9) , or by filler content optimization 3) . On fiber reinforcement, glass fibers are lauded for their reinforcing efficiency in improving impact strength and for their excellent esthetic qualities 10) .…”

Section: Introductionmentioning

confidence: 99%

Creep of experimental short fiber-reinforced composite resin

et al. 2012

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The purpose of this study was to investigate the reinforcing effect of short E-glass fiber fillers oriented in different directions on composite resin under static and dynamic loading. Experimental short fiber-reinforced composite resin (FC) was prepared by mixing 22.5 wt% of short E-glass fibers, 22.5 wt% of resin, and 55 wt% of silane-treated silica fillers. Three groups of specimens (n=5) were tested: FC with isotropic fiber orientation, FC with anisotropic fiber orientation, and particulate-filled composite resin (PFC) as a control. Time-dependent creep and recovery were recorded. ANOVA revealed that after secondary curing in a vacuum oven and after storage in dry condition for 30 days, FC with isotropic fiber orientation (1.73%) exhibited significantly lower static creep value (p<0.05) than PFC (2.54%). For the different curing methods and storage conditions evaluated in this study, FC achieved acceptable static and dynamic creep values when compared to PFC.

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Effects of different whiskers on the reinforcement of dental resin composites

Cited by 112 publications

References 36 publications

Reinforcement of flowable dental composites with titanium dioxide nanotubes

Reinforcement of flowable dental composites with titanium dioxide nanotubes

Mechanical properties, volumetric shrinkage and depth of cure of short fiber-reinforced resin composite

Creep of experimental short fiber-reinforced composite resin

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