Abstract
Objectives
The present study compares the diagnostic value of periodontal bone defect images using conventional two-dimensional single-tooth radiographs and three-dimensional cone beam computed tomography (CBCT) images.
Materials and methods
Classified periodontal bone defects were prepared on pig mandibles and presented radiographically. Fifteen dentists were instructed to make a diagnosis based on these x-rays, regarding the type and the extent of the bone defects. Subsequently, the results were evaluated and compared to the morphology of the surgically prepared defects as the gold standard.
Results
On average, the diagnosis of infrabony defects were 21 %, dehiscence 25 %, and fenestration 33 % more accurate using the three-dimensional projection than with the single-tooth radiograph. Furthermore, the CBCT allows grade II furcation to be captured more accurately.
Conclusions
The results of this study indicate that a considerably more precise analysis of periodontal defects is possible due to the third dimension. Particularly, in the oro-vestibular orientation, defects could be detected significantly more accurate.
Clinical relevance
CBCT images offer an advantageous alternative to the conventional single-tooth radiograph while taking the higher exposure of radiation into account.
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Braun, X., Ritter, L., Jervøe-Storm, PM. et al. Diagnostic accuracy of CBCT for periodontal lesions. Clin Oral Invest 18, 1229–1236 (2014). https://doi.org/10.1007/s00784-013-1106-0
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DOI: https://doi.org/10.1007/s00784-013-1106-0