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Effect of Practical Demonstration on Reducing Technical Radiographic Errors Made by Dental Students.
Berceste Polat Akmansoy1, Tugce Gungor1, Tugba Cebeci1
1Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Marmara University, Istanbul, Turkey.
Journal of Dental Education
|November 25, 2025
Summary
Dental students frequently made technical errors in periapical radiography, primarily with sensor positioning. While practical demonstrations showed limited impact, improved education is crucial for enhancing radiographic skills.
Area of Science:
- Dental Radiology
- Diagnostic Imaging
- Dental Education
Background:
- Technical errors in periapical radiography are common among dental students.
- Accurate radiographic imaging is essential for effective dental diagnosis and treatment planning.
Purpose of the Study:
- To determine the frequency, types, and distribution of technical errors in periapical radiographs taken by dental students.
- To assess the impact of practical demonstrations on these radiographic errors.
Main Methods:
- Evaluated 960 periapical radiographic images from 80 junior dental students before and after a demonstration.
- Images were acquired using the bisecting angle technique with photostimulable phosphor (PSP) plates without film holders.
Main Results:
- 81.6% of images contained at least one technical error, most commonly sensor positioning (over 55%).
- Errors were most frequent in anterior regions (maxillary and mandibular).
- Practical demonstrations had a limited effect, though some error types decreased, and two-thirds of students improved.
Conclusions:
- Undergraduate dental education requires enhanced instruction on radiographic techniques and error correction.
- Simulation-based training, supervised practice, and structured feedback are recommended to improve student radiographic skills.
Keywords:
dental educationoral radiologyperiapical radiographyphotostimulable phosphor plateradiographic errorsMore Related Videos
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