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

Saridag, Serkan; Helvacioglu-Yigit, Dilek; Alniacik, Gamze; Özcan, Mutlu (2015). Radiopacity measurements of direct and indirect resin composites at different thicknesses using digital image analysis. Dental Materials Journal, 34(1):13-18.

Abstract

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.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic of Reconstructive Dentistry
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Physical Sciences > Ceramics and Composites
Health Sciences > General Dentistry
Language:English
Date:2015
Deposited On:10 Dec 2015 13:49
Last Modified:14 Oct 2024 01:37
Publisher:Japanese Society for Dental Materials and Devices
ISSN:0287-4547
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.4012/dmj.2014-181
PubMed ID:25748453
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