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Updated: Jul 14, 2026
06:49
A Standardized Approach to Extra-Oral and Intra-Oral Digital Photography
Published on: July 22, 2022
Digital radiography in general dental practice: a field study.
K Hellén-Halme1, M Nilsson, A Petersson
1Department of Oral and Maxillofacial Radiology, Malmö University, SE-205 06 Malmö, Sweden. Kristina.Hellen-Halme@od.mah.se
Dento Maxillo Facial Radiology
|June 26, 2007
Summary
Dentists need better training on digital radiography (DR) equipment. Proper monitor calibration and ambient light control are crucial for optimal image quality in general dental practices.
Area of Science:
- Dental Imaging
- Radiography Technology
Background:
- Digital radiography (DR) is increasingly used in general dental practice.
- Optimal use of DR systems depends on various factors, including ambient lighting and display settings.
Purpose of the Study:
- To evaluate the performance and usage of digital radiography systems by dentists in general dental practice.
- To assess the impact of ambient light and display parameters on DR image quality.
Main Methods:
- Field study involving 19 general dental practitioners.
- Measurement of ambient light (illuminance) and technical display parameters.
- Evaluation of digital system performance using test images and phantoms (low-contrast and line-pair resolution).
- Investigation of dentists' use of image enhancement features.
Main Results:
- Average illuminance in operatories was 668 lux, with significant variation.
- Increased illuminance negatively impacted the visibility of low-contrast details.
- Optimizing test image display required reducing monitor brightness by 17% and contrast by 10%.
- Dentists frequently adjusted brightness and contrast for subjectively best images, with notable inter-clinic differences.
Conclusions:
- Improved knowledge of digital equipment handling is needed in general dental practice.
- Prioritizing calibrated, high-quality monitors and appropriate ambient light conditions is essential.
- Standardized quality control procedures for digital dental radiography are necessary.
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