Differences in aluminum equivalent values of endodontic sealers: conventional versus digital radiography

Journal of Endodontics
B Guniz BaksiTan Firat Eyüboglu

Abstract

The aims of this study were to compare film and digital radiography in assessing the radiopacities of root canal sealers and to establish the relation in aluminum equivalent values of different methods. Standard disks of 5 different sealers were exposed together with an aluminum step wedge by using occlusal films and storage phosphor plates. Optical density of the sealers was evaluated by transmission densitometry, and mean gray values were determined by digital analysis. The data were analyzed by using two-way analysis of variance (P = .05). Pairwise comparisons were made by using Tukey post hoc and paired t tests (P = .05). The order from the most radiopaque to the most radiolucent sealer was the same for both methods; however, aluminum equivalent values determined by transmission densitometry were significantly higher (P < .01). Aluminum equivalent values of the 2 radiographic methods were 7%-20% different. The International Standards Organization standard for the radiopacity of dental root canal sealing materials needs modifications for digital systems.

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Citations

Oct 31, 2012·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Subutay Han AltintasAslihan Usumez
May 19, 2010·Journal of Endodontics·Marco Antonio Hungaro DuarteIvaldo Gomes de Moraes
Jun 1, 2011·Journal of Applied Oral Science : Revista FOB·Alvaro Henrique BorgesAntônio Miranda Cruz Filho
Dec 8, 2017·Brazilian Dental Journal·Bruna Lucian PetryPatrícia Maria Poli Kopper
Sep 7, 2013·Restorative Dentistry & Endodontics·Wook-Jin SeongMansur Ahmad
Apr 11, 2019·Journal of Applied Oral Science : Revista FOB·Victor Manuel Ochoa-RodríguezGisele Faria
Jul 23, 2020·Brazilian Oral Research·Victor Manuel Ochoa-RodrÍguezGisele Faria

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