Measuring the Radiopacity of Flowable Resin Composites Using Scanned Radiograph Images

Furtos, Gabriel; Baldea, Bogdan; Silaghi-Dumitrescu, Laura; Bratu, Dana Cristina; Moldovan, Mărioara; Prejmerean, Cristina

doi:10.1080/02726351.2011.589489

Cited by 4 publications

(8 citation statements)

References 27 publications

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“…However, fillers alone are not responsible for the radiopacity levels of composites. Radiopaque monomers also enhance radiopacity as they bond to the polymer matrix so that at the same time they improve the mechanical properties 27,28) . According to the results of this study, IPS Empress Direct Dentin direct composite and Estenia C&B indirect composite showed the highest radiopacity.…”

Section: Discussionmentioning

confidence: 99%

“…Various methods for radiopacity measurements of restorative materials have been explored, such as conventional X-ray films assessed by an optical densitometer 18,32) , digitized dental films 28) , or digital radiographic films evaluated by digital image analysis programs 12) . Digital radiography has produced reproducible and consistent results when compared among different radiopacity studies 12,32,33) .…”

Section: Discussionmentioning

confidence: 99%

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Radiopacity measurements of direct and indirect resin composites at different thicknesses using digital image analysis

Sarıdağ

Helvacıoğlu-Yiğit

Alnıaçık

et al. 2015

Dental Materials Journal

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Radiopacity is an important property of composite materials for clinical diagnosis. For seven direct composites (Aelite LS Posterior, Aelite All-Purpose Body, Quadrant Universal LC, Clearfil Majesty Posterior, Clearfil Majesty Esthetic, Filtek Ultimate Dentin, IPS Empress Direct Dentin) and six indirect composites (Ceromega, Epricord, Estenia C&B, Tescera, Signum Ceramis, Solidex), diskshaped specimens (N=260, n=10 per group) were fabricated for two thicknesses at 1 and 2 mm. Average radiographic density of each composite material was calculated. Radiopacity values of specimens were expressed in equivalent thickness of aluminum using the calibration curve. Data were analyzed using one-way and two-way ANOVA, followed by Tukey's HSD test (α=0.05). Radiopacity was significantly affected by resin composite type (p<0.05) and thickness (p<0.001). All composites, except Epricord (1.22-1.84), had higher radiopacity values than dentin (1.23-2.24). IPS Empress Direct (5.58-9.38) and Estenia C&B (5.49-9.16) showed significantly higher radiopacity (p<0.05) than the other materials including enamel and dentin.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Radiopacity measurements of direct and indirect resin composites at different thicknesses using digital image analysis

Sarıdağ

Helvacıoğlu-Yiğit

Alnıaçık

et al. 2015

Dental Materials Journal

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show abstract

“…Furtos and co-authors [129] evaluated the radiopacity of 17 different flowable composites. The radiopacity values ranged between 1.14 and 3.57 mm Al.…”

Section: Radiopacitymentioning

confidence: 99%

Reinforcement of flowable dental composites with titanium dioxide nanotubes

et al. 2016

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“…Furtos et al showed that flowable resin composites are recommended to have higher radiopacity than dentin and perhaps should be ideally similar to or slightly higher than that of enamel for improved clinical detection. Moreover, digital imaging could be an alternative to transmission densitometry for the evaluation of the radiopacity of dental composites and dental resin cements …”

Section: Discussionmentioning

confidence: 99%

“…The chemical composition, the amounts of fillers and components of the organic matrix, and the atomic weight of the filler particles may influence the radiopacity of these materials, resulting in a linear correlation between the percentage of fillers and the radiopacity . The use of materials with low radiopacity should be avoided because it may lead to an incorrect diagnosis, and resin composites are recommended to have higher radiopacity than dentin . Ideally, dental resin cements should have a radiopacity similar to or even slightly higher than enamel to improve their clinical detection …”

mentioning

confidence: 99%