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Comparing different planimetric methods on volumetric estimations by using cone beam computed tomography

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Abstract

Purpose

The purpose of this study was to compare the accuracy of the planimetric methods on volume estimations by using cone beam computed tomography (CBCT).

Materials and methods

Thirty-one prepared intraosseous bone defects from thirteen bovine femur condyles were scanned with CBCT. The defect volumes were estimated by point counting (PC), manual segmentation (MS) and semiautomatic segmentation (SAS) methods at 0.3-mm section thickness without any intersection gap. The estimated volumes were compared with the results of the Archimedes’ method. The planimetric methods were analyzed using a Friedman’s two-way analysis of variance test.

Results

The estimated volumes of MS and SAS methods were compatible with the volumes of Archimedes’ method (p = 0.768, p = 0.140, respectively), but the volumes from the PC method were not compatible with Archimedes’ method (p < 0.001).

Conclusion

SAS was approximately 2.5 times faster than MS. Both MS and SAS are valid methods for volume estimation; however, SAS may be preferred due to its practicability.

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Funding

This research did not receive any specific grant from funding agencies in the public, commercial or not-for-profit sectors.

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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by AK, ÖSS and SK. The first draft of the manuscript was written by AK, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Alaettin Koç.

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The authors declare that they have no conflict of interest.

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All applicable international, national and/or institutional guidelines for the care and use of animals were followed. This article does not contain any studies with human participants performed by any of the authors.

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Koç, A., Sezgin, Ö.S. & Kayıpmaz, S. Comparing different planimetric methods on volumetric estimations by using cone beam computed tomography. Radiol med 125, 398–405 (2020). https://doi.org/10.1007/s11547-019-01131-8

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  • DOI: https://doi.org/10.1007/s11547-019-01131-8

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