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Interpretation of chemically created lesions using direct digital imaging

B C Tirrell1, D A Miles, C E Brown

  • 1Indiana University School of Dentistry, Indianapolis 46202, USA.

Journal of Endodontics
|February 1, 1996
PubMed
Summary

Digital imaging detected chemically induced jaw lesions earlier than conventional radiography at 12 and 24 hours. No significant differences were found in early detection or after 36 hours.

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Area of Science:

  • Oral and Maxillofacial Radiology
  • Dental Imaging Technology

Background:

  • Early detection of bone lesions is crucial in dentistry.
  • Conventional radiography is a standard diagnostic tool.
  • Advancements in digital imaging offer potential improvements in lesion detection.

Purpose of the Study:

  • To compare the efficacy of digital imaging versus conventional radiography in detecting chemically induced bone lesions.
  • To evaluate the impact of lesion progression over time on detection rates.
  • To assess the influence of image enhancement settings on diagnostic accuracy.

Main Methods:

  • Chemically induced lesions were created in human cadaver jaw specimens using perchloric acid.
  • Radiographic images were acquired using both conventional radiography and digital imaging at various time points.

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  • Five evaluators assessed the images for lesion presence and progression.
  • Statistical analysis was performed to compare detection rates between imaging modalities.

    • Main Results:

    • No significant difference in detecting the absence of lesions between digital and conventional radiography.
    • Digital imaging detected lesions significantly earlier (12 and 24 hours) than conventional radiography (p = 0.0001).
    • No significant differences in detection rates were observed at 36 hours and beyond.
    • RadioVisioGraphy enhancement settings did not significantly impact detection accuracy at any time point.

    Conclusions:

    • Digital imaging offers superior early detection of chemically induced jaw lesions compared to conventional radiography within the first 24 hours.
    • The diagnostic advantage of digital imaging diminishes as lesions progress.
    • Image enhancement settings do not appear to be a critical factor in lesion detection accuracy for these techniques.