Measurement of water sorption in dental composites

Martín, Nicolás; Jedynakiewicz, N

doi:10.1016/s0142-9612(97)00157-9

Cited by 80 publications

(42 citation statements)

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“…The amount of water gained in a composite material depends on the content of its hydrophilic monomers [19]. Speedee is a hydrophilic material based on an embrace monomer which is believed to be more hydrophilic than other monomers such as urethane dimethacrylate (UDMA) and Bis-GMA, which means it absorbs more water.…”

Section: Discussionmentioning

confidence: 99%

Water sorption and solubility of core build-up materials

2014

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Section: Discussionmentioning

confidence: 99%

Water sorption and solubility of core build-up materials

2014

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“…The protocol included an innovative system based on ROS production. This system was developed as a disinfection method to prevent the dimensional changes that occur in dental restorative materials [24][25][26] . In summary, this study evaluated the effects of chemical and ROS disinfection methods on the adaptation of denture base materials and surface roughness.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of denture base resin after disinfection method using reactive oxygen species (ROS)

et al. 2012

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The effects of certain disinfectants on the stability of a polymethyl methacrylate denture base resin were investigated, including those of a novel disinfection method using reactive oxygen species (ROS). The surface roughness and flexural strength were analyzed to assess the effects of the disinfectants on material properties. The following disinfectants were tested: 5% sodium hypochlorite, 70% alcohol, and ROS. Furthermore, the attachment of Candida albicans to the resin surface was investigated. The disinfection method using sodium hypochlorite significantly increased the surface roughness and decreased flexural strength. The surface roughness and flexural strength of the ROS-treated specimens did not significantly differ from those of the control specimens, and the ROS-treated specimens exhibited diminished Candida attachment. These results demonstrate that the ROS disinfection method preserves acceptable material stability levels in polymethyl methacrylate resins.

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“…40,43,44 The specimens were stored for 30 d in water at 37 8C to ensure that water sorption and hygroscopic expansion were complete. 45,46 Laser micrometers were used to measure dimensional changes of resin-based filling materials 47,48 All test materials showed significant polymerization shrinkage that did not correlate with curing time. It is surprising that no influence of curing time was found in this experiment.…”

Section: Discussionmentioning

confidence: 99%