INTERPRETATION OF ENDODONTIC FILE LENGTHS USING RADIO VISIOGRAPHY

被引:22
作者
LEDDY, BJ
MILES, DA
NEWTON, CW
BROWN, CE
机构
[1] INDIANA UNIV, SCH DENT, DEPT ENDODONT, 1121 W MICHIGAN ST, INDIANAPOLIS, IN 46202 USA
[2] INDIANA UNIV, SCH DENT, GRAD PROGRAM DENT DIAGNOST SCI, INDIANAPOLIS, IN 46202 USA
关键词
D O I
10.1016/S0099-2399(06)80069-5
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The purpose of this investigation was to compare RadioVisioGraphy (RVG) imaging with conventional radiography in determining endodontic file length adjustment. Human cadaver sections with first or second molars were used. Files were inserted into canals at randomly selected lengths, from 4 mm short of the radiographic apex to 3 mm beyond. Radiographs and RVG images were evaluated to determine the adjustment needed to place the file 0.5 mm from the radiographic apex. Results showed no significant difference in the ability of endodontists to make accurate file length adjustments using conventional radiography versus RVG. In this study, it was found that: (a) accurate file length adjustments can be made from an image two times larger than the actual tooth; (b) RVG is not significantly better than conventional radiography; and (c) if both methods are available, RVG is preferred because of the significant reduction in radiation dose.
引用
收藏
页码:542 / 545
页数:4
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