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Comparative study of conventional versus digital bitewing radiographs for estimating alveolar bone level
Trishna Saikia1, Polysmita Ojah2, Himanshi Tomar3
1Department of Oral medicine and Radiology, Government Dental College, Dibrugarh, Assam, India.
Bioinformation
|December 30, 2025
Summary
Conventional and digital bitewing radiographs are comparable for measuring alveolar bone levels. This finding suggests both radiographic techniques can be used interchangeably in epidemiologic studies.
Area of Science:
- Dentistry
- Radiology
- Periodontology
Background:
- Accurate assessment of alveolar bone height is crucial for diagnosing and monitoring periodontal disease.
- Conventional radiography has been the standard, but digital radiography offers potential advantages in image processing and radiation dose reduction.
Purpose of the Study:
- To compare the accuracy of conventional bitewing radiographs and digital bitewing radiographs in measuring alveolar bone height.
- To determine if digital radiography can be used interchangeably with conventional radiography in epidemiologic studies.
Main Methods:
- Fifty patients aged 20-70 years were selected for the study.
- Both conventional and digital bitewing radiographs were taken for the right posterior segments.
- Alveolar bone height measurements were analyzed and compared between the two radiographic methods by two independent radiologists.
Main Results:
- No significant difference was found in the mean values of alveolar bone level measured by conventional and digital bitewing radiographs.
- The measurements obtained from digital radiography were similar to those from conventional radiography.
Conclusions:
- Both conventional and digital bitewing radiographs provide comparable measurements of alveolar bone level.
- Either radiographic technique can be used interchangeably in epidemiologic studies for assessing alveolar bone height.
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