Radiopacity of root filling materials using digital radiography.

Abstract:

AIM:To evaluate radiopacity of root filling materials using digital radiography. METHODOLOGY:The sealers tested were AH Plus, Endofill, EndoREZ and Epiphany. Gutta-percha (Dentsply Maillefer) and Resilon cones were also tested. Acrylic plates, containing six wells, measuring 1 mm in depth and 5 mm in diameter, were prepared for the test, and filled with the materials. The test samples were radiographed together with an aluminium stepwedge calibrated in millimetres, according to ANSI/ADA Specification 57. For the radiographic exposures, digital imaging plates and an X-ray machine at 70 kVp and 8 mA were used. The object-to-focus distance was 30 cm, and the exposure time, 0.2 s. After the laser optic reading process, the software determined the radiopacity of the standardized areas, using grey-scale values, calculating the average radiographic density for each material. RESULTS:The decreasing values of radiopacity of the studied materials, expressed in millimetres of aluminium equivalent, were: Resilon (13.0), AH Plus(TM) (11.2), gutta-percha (9.8), Epiphany (8.0), Endofill (6.9) and EndoREZ (6.6). CONCLUSION:All materials had radiopacity values above 3 mm of aluminium recommended by ANSI/ADA Specification 57.

journal_name

Int Endod J

authors

Carvalho-Junior JR,Correr-Sobrinho L,Correr AB,Sinhoreti MA,Consani S,Sousa-Neto MD

doi

10.1111/j.1365-2591.2007.01246.x

subject

Has Abstract

pub_date

2007-07-01 00:00:00

pages

514-20

issue

7

eissn

0143-2885

issn

1365-2591

pii

IEJ1246

journal_volume

40

pub_type

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