Evaluation of two-dimensional and three-dimensional radiography with direct surgical assessment of periodontal osseous defects: A clinical Study.
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Date
2014-11
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Abstract
Aim: To compare the diagnostic values of radiovisiograph (RVG) and computed tomography (CT)
images in comparison with direct surgical measurements for the determination of periodontal
bone loss.
Materials and Methods: Thirty‑one vertical defects were included for direct measurements
during surgery with a periodontal probe. RVG and CT images were taken prior to the surgery.
Similar measurements were done on their images and compared with the direct surgical
values.
Results: Mean difference (in mm) of RVG and CT scan in vertical defects, and intrabony
component was 0.814, 0.474 and 0.073, 0.066 respectively. Intra class correlation of CT
scan (0.997 and 0.990) was highest with the smallest length of 95% confidence interval. CT scan
furthermore depicted maximum agreement with the surgical value. CT scan overestimated in
the maximum percentage of sites in vertical defects. CT scan outscored over RVG in evaluation
of the osseous defects.
Conclusions: CT scan demonstrated more precise and clinically useful images of the osseous
defects closer to the gold standard.
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Keywords
Alveolar bone loss, imaging, radiography
Citation
Pahwa Priyanka, Lamba Arundeep Kaur, Grewal Harpreet, Faraz Farrukh, Tandon Shruti, Yadav Neha. Evaluation of two-dimensional and three-dimensional radiography with direct surgical assessment of periodontal osseous defects: A clinical Study. Indian Journal of Dental Research. 2014 Nov-Dec ; 25 (6): 783-787..