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Updated: May 31, 2026
06:49
A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography
Published on: July 22, 2022
Endodontic radiography: who is reading the digital radiograph?
Shalini Tewary1, Joseph Luzzo, Gary Hartwell
1Department of Endodontics, New Jersey Dental School, University of Medicine and Dentistry of New Jersey, Newark, NJ 07101-1709, USA.
Journal of Endodontics
|June 22, 2011
Summary
Digital dental radiographs show fair interobserver agreement and moderate intraobserver agreement. Interpretation subjectivity is influenced by examiner experience and familiarity with digital systems.
Area of Science:
- Dental Radiology
- Diagnostic Imaging
Background:
- Digital radiography offers advantages like lower radiation doses and enhanced image manipulation.
- These systems facilitate easier image archiving and sharing for diagnostic purposes.
Purpose of the Study:
- To assess the interobserver and intraobserver agreement in interpreting digital periapical radiographs.
- To evaluate the reliability of digital dental imaging in diagnosing periapical conditions.
Main Methods:
- Six observers evaluated 150 digital periapical radiographs for periapical tissue conditions.
- Evaluations were conducted twice, with a 3-month interval, using Planmeca Dimaxis software.
- Interobserver and intraobserver agreement were analyzed using Fleiss and weighted kappa statistics.
Main Results:
- Fair interobserver agreement (Fleiss kappa 0.34-0.35) was observed in both interpretation rounds.
- Moderate intraobserver agreement was found on average.
- Results indicate a degree of subjectivity in interpreting digital dental radiographs.
Conclusions:
- Interpretation of dental radiographs remains subjective, regardless of imaging modality.
- Examiner experience and familiarity with specific digital systems significantly impact diagnostic interpretation.
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