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More info
You can access this
clinical trial
if you have
Root Canal
and you are
between 12 and 65
years old
The phase for this study is not defined.
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The purpose

Accurate length determination of root canal is essential in root canal therapy. Radiography has been the conventional method for this measurement but recently several in-vitro studies have shown that new generations of Electronic Apex locators are as accurate as radiography in length determination. It is hypothesized that the latest generation of Electronic Apex locator can produce acceptable results as radiography when used for length determination.

Provided treatments

  • Device: Electronic Apex Locator
  • Device: Dental Radiography
Tris trial is registered with FDA with number: NCT00901810. The sponsor of the trial is Shiraz University of Medical Sciences and it is looking for 280 volunteers for the current phase.
Official trial title:
Clinical Evaluation of Working Length Determination by Electronic Apex-Locator or Radiography on Adequacy of Final Working Length