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:: Volume 3, Issue 1 (March- 2014) ::
Caspian J Dent Res 2014, 3(1): 28-34 Back to browse issues page
Comparative study of digital radiopacity of dental cements
Abdolhamid Alhavaz * , Sina Haghanifar , Yashar Vakili, Arash Poorsattar-Bejehmir
,Dental Materials Research Center, Department of Prosthodontics, Faculty of Dentistry, Babol University of Medical Sciences, Babol-Iran. , ahalhavaz@yahoo.com
Abstract:   (11428 Views)

Introduction: Radiopacity is a necessary property for luting cements . The aim of this study was to investigate the radiopacity of some luting dental cements used in prosthetic dentistry.

Methods: Five disclike samples of each material (6 x 1 mm) were prepared from panavia F2.0(Pa), Chioce2 (Ch.2), Glass ionomer GC (GI GC), zinc phosphate Hoffmann’s (ZP hof), zinc polycarboxylate Hoffmann’s (ZPC hof), Glass ionomer ariadent( GI ari), zinc phosphate ariadent(ZP ari) and zinc polycarboxylate ariadent (ZPC ari). The radiopacity of each material along with aluminium step wedge were measured from radiographic images using a digital radiography. The average measured radiopacities from five areas were taken into account, which were measured by Digora for windows (DFW) software using a PSP digital sensor.

Results: There was a significant difference between radiopacity value of all luting materials (P≤0.001). ZP ari had the highest radiopacity with 7.7±0.55 mm aluminium. The Glass ionomer ariadent ari dent showed the lowest radiopacity value with 0.82±0.31 mm aluminium.

Conclusion: All dental cements showed radiopacity values equivalent to or greater than the ISO 4049:2000(E)standard except ariadent Glass ionomer and this could be considered suitable for use in restoration cementation.

Keywords: Radiopacity, Digital radiography, Dental material
Full-Text [PDF 541 kb]   (5610 Downloads)    
Type of Study: Research Paper | Subject: Prosthodontics
* Corresponding Author Address: Faculty of Dentistry, Babol University of Medical Sciences, Babol-Iran.
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Alhavaz A, Haghanifar S, Vakili Y, Poorsattar-Bejehmir A. Comparative study of digital radiopacity of dental cements. Caspian J Dent Res 2014; 3 (1) :28-34
URL: http://cjdr.ir/article-1-85-en.html

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Volume 3, Issue 1 (March- 2014) Back to browse issues page
مجله تحقیقات دندانپزشکی کاسپین Caspian Journal of Dental Research
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