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Satisfaction of Search in Periapical Radiograph Interpretation.

Johnny D Huynh1, S Craig Rhodes1, John F Hatton1

  • 1Department of Endodontics, Center for Advanced Dental Education, Saint Louis University, St Louis, Missouri.

Journal of Endodontics
|November 12, 2020
PubMed
Summary
This summary is machine-generated.

The satisfaction of search (SOS) error effect was observed in dental periapical radiograph interpretations, with clinicians missing native lesions when an additional abnormality was present. This finding highlights a potential for misdiagnosis, impacting patient care.

Keywords:
Interpretationperceptionperiapicalradiographsatisfaction of search error

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Area of Science:

  • Dental Radiology
  • Diagnostic Imaging
  • Cognitive Bias in Medicine

Background:

  • The satisfaction of search (SOS) error effect is documented in various radiological fields but not previously in dental periapical radiography.
  • This pilot study investigates the presence of the SOS error phenomenon in dental clinicians' interpretation of periapical radiographs.

Purpose of the Study:

  • To determine if the SOS error effect exists in dental periapical radiograph interpretations.
  • To test the hypothesis that detection accuracy of native lesions decreases when an additional abnormality is present.

Main Methods:

  • Six periapical radiographs were used, with four containing a subtle carious lesion (native pathology).
  • An additional abnormality (e.g., radiolucency, resorption) was digitally inserted into these four images.
  • Sixteen dental specialists interpreted the images in two sessions, reporting suspected pathologies and confidence levels.

Main Results:

  • A true SOS error occurred in 20.31% of interpretations.
  • Clinicians reported fewer native lesions (25/64) when an additional abnormality was present, compared to when only the native lesion was visible (30/64).
  • The detection accuracy for native lesions decreased in the presence of an added abnormality.

Conclusions:

  • The satisfaction of search (SOS) effect is present in dental periapical radiographic interpretation.
  • The study identified a significant rate of SOS errors (20.31%), indicating a risk of false-negative interpretations.
  • Understanding this cognitive bias can help clinicians reduce diagnostic errors and improve patient outcomes.