2016
DOI: 10.17795/ajdr-36847
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Radiopacity of Dental Materials: An Overview

Abstract: Context: This study aimed to provide an overview of the literature on the radiopacity of dental materials in order to emphasize its importance. Evidence Acquisition: English-language literature was investigated using manual and electronic searches for the terms "radiopacity," "dental material," "cement," "composite," "ceramic," "endodontic root canal sealer," "bone graft," and "acrylic resin" in the databases of Medline, google scholar, and Scopus up to April 2016. Seventy-nine selected publications, including… Show more

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Cited by 24 publications
(32 citation statements)
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“…The proper level of radiopacity is of great importance for some dental materials to contrast them from intra-oral surrounding structures [1,2]. Dental materials such as root canal filling material [3], glass ionomer [4], cavity liners [5], luting cements [6], impression materials [7], restorative materials [8], and composite-resin materials [9] are usually loaded with radiopaque filler, typically dense metal or ceramic powders, to attenuate X-ray radiation energy for providing the visual contrast image of the device in the body.…”
Section: Introductionmentioning
confidence: 99%
“…The proper level of radiopacity is of great importance for some dental materials to contrast them from intra-oral surrounding structures [1,2]. Dental materials such as root canal filling material [3], glass ionomer [4], cavity liners [5], luting cements [6], impression materials [7], restorative materials [8], and composite-resin materials [9] are usually loaded with radiopaque filler, typically dense metal or ceramic powders, to attenuate X-ray radiation energy for providing the visual contrast image of the device in the body.…”
Section: Introductionmentioning
confidence: 99%
“…Si bien es cierto, todos los cementos de resina estudiados presentan valores de radiopacidad por sobre lo que establece la norma ISO 4049, es decir, mayor a la radiopacidad equivalente de la dentina, hay autores que difieren sobre este estándar, al indicar que esta radiopacidad debiera tener relación con los tejidos sobre los que se va a usar el cemento, esto es en dentina y/o esmalte (1,12) . Según reportes de radiopacidad equivalente de esmalte, ésta oscila entre 1,58 y 2,33 mm de Al (2,3,4,8,13) .…”
Section: Discussionunclassified
“…Se ha establecido que el tipo, la Cementos con distintas letras representan diferencias significativas (p<0.05) concentración y el tamaño de la partícula de radiopacificador afectan el valor de radiopacidad de los distintos materiales dentales (4,15) . Se ha reportado que estos elementos afectan las propiedades estéticas de los cementos de resina, tales como la estabilidad del color o el nivel de opacidad, lo que no es deseable considerando las indicaciones de estos cementos (6,12) . RelyX U200 presenta un relleno radiopaco de 43% en volumen, lo que explicaría en parte su menor valor de radiopacidad (16) .…”
Section: Discussionunclassified
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