RADIOPACITY EVALUATION OF ROOT-END FILLING MATERIALS BY DIGITIZATION OF IMAGES

被引：42

作者：

Tanomaru-Filho, Mario ^{[1
]}

da Silva, Guilherme Ferreira

Hungaro Duarte, Marco Antonio ^{[2
]}

Goncalves, Marcelo ^{[3
]}

Guerreiro Tanomaru, Juliane Maria ^{[1
]}

机构：

[1] Sao Paulo State Univ, Dent Sch Araraquara, Dept Restorat Dent, Araraquara, SP, Brazil

[2] Sagrado Coracao Univ, Dept Endodont, Bauru, SP, Brazil

[3] Sao Paulo State Univ, Dent Sch Araraquara, Dept Radiol, Araraquara, SP, Brazil

来源：

JOURNAL OF APPLIED ORAL SCIENCE | 2008年 / 16卷 / 06期

关键词：

Radiopacity; Retrograde obturation; Root canal filling materials; Radiology;

D O I：

10.1590/S1678-77572008000600004

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

The purpose of this study was to evaluate the radiopacity of 5 root-end filling materials (white MTA-Angelus, grey MTA-Angelus, IRM, Super EBA and Sealer 26). Five specimens (10 mm diameter X 1 mm thickness) were made from each material and radiographed next to an aluminum stepwedge varying in thickness from 2 to 16 mm. Radiographs were digitized and the radiopacity of the materials was compared to that of the aluminum stepwedge using VIXWIN 2000 software in millimeters of aluminum ( mm Al). Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. Radiopacity values varied from 3 mm Al to 5.9 mm Al. Sealer 26 and IRM presented the highest radiopacity values (p<0.05), while white/grey MTA and Super EBA presented the lowest radiopacity values (p<0.05). The tested root- end filling materials presented different radiopacities, white/grey MTA and Super EBA being the least radiopaque materials.

引用

页码：376 / 379

页数：4

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