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Electronic apex locators.

M P J Gordon1, N P Chandler

  • 1Department of Oral Rehabilitation, School of Dentistry, University of Otago, Dunedin, New Zealand.

International Endodontic Journal
|June 11, 2004
PubMed
Summary
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Electronic apex locators aid root canal treatment by reducing X-rays and improving accuracy. These devices help determine the apical extent of instrumentation and detect issues like perforations, enhancing treatment success.

Area of Science:

  • Endodontics
  • Dental Imaging
  • Medical Device Technology

Background:

  • Radiographs are essential for assessing root canal morphology and treatment success.
  • Determining the apical extent of instrumentation and filling is crucial for successful root canal therapy.
  • Radiographic methods can present challenges in visualizing canal anatomy accurately.

Purpose of the Study:

  • To review the development, mechanism, application, and classifications of electronic apex locators.
  • To highlight the role of electronic apex locators in improving endodontic treatment outcomes.
  • To assess the benefits of electronic apex locators over traditional radiographic assessments.

Main Methods:

  • Conducted a literature review focusing on electronic apex location devices.

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  • Performed a second literature search using specific apex locator device names.
  • Synthesized findings from 113 relevant English-language articles.

    • Main Results:

    • Electronic apex locators reduce the need for multiple radiographs.
    • These devices assist in cases where radiographic visualization is difficult.
    • Electronic apex locators can identify the apical foramen's position accurately, even when distant from the radiographic apex.
    • They aid in detecting root canal perforations.

    Conclusions:

    • Electronic apex locators are valuable tools in endodontic treatment.
    • Their use improves the accuracy of determining apical extent and reduces radiographic exposure.
    • Electronic apex locators offer significant advantages in managing complex root canal anatomy and identifying procedural errors.