الفهرس 
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Abstract
This study was undertaken as an attempt to assess the clinical validity of using direct digital radiography (CCD) in assessment of periodontal diseases.
At the Faculty of Dentistry, Minia University, twenty patients were enrolled from the “Out-patient Clinic” at the “Oral Diagnosis, Periodontology and Oral Medicine Department”. All patients were subjected to full intraoral and extra oral diagnosis. Full mouth periapical radiographs using CCD imaging with standardization techniques were taken for all participants.
Scaling and root planning were done to every patient in the study.
The patients were followed up both clinically and radiographiclly after 1 month, 3 months and six months.
The results demonstrated no statistically significant difference between radiographic marginal bone loss, radiographic bone density, clinical attachment level, and probing depth measurements at the mesial and distal sides through all periods.
There was an improvement in mean radiographic marginal bone loss, radiographic bone density, clinical attachment level, and probing depth measurements through the periods of the study. There was a positive correlation between radiographic marginal bone level and both clinical attachment loss and probing depth through the study. Meanwhile, there was no clinically significant correlation between radiographic bone density measurement and both clinical attachment loss and probing depth through the study.