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Accuracy of linear measurements obtained from stitched cone beam computed tomography images versus direct skull measurements

Article scientifique 2020 Anglais

Résumé

Background : To assess whether the linear measurements obtained from stitched cone beam computed tomography (CBCT) images were as accurate as the direct skull measurements. Methods : Nine dry human skulls were marked with gutta-percha at reference points to obtain Twenty-two linear measurements on each skull. Ten measurements in the cranio-caudal plane, two measurements in the antero-posterior plane, and ten measurements in the medio-lateral plane. CBCT linear measurements obtained using stitching software were measured and compared with direct skull measurements. Results : The absolute Dahlberg error between direct linear measurements and linear measurements on stitched CBCT images ranged from (0.07 mm to 0.41 mm). The relative Dahlberg error ranged from (0.2% to 1.8%). Moreover, Intra-class Correlation Coefficient (ICC) ranged from (0.97 to 1.0) indicating excellent agreement. Conclusion: Stitched CBCT linear measurements were highly comparable to the direct skull measurements using a digital caliper.

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Hamed, D., Dawlatly, M., Dessouky, S., Hamdy, R. (2020). Accuracy of linear measurements obtained from stitched cone beam computed tomography images versus direct skull measurements. https://doi.org/10.12688/f1000research.17751.2

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Auteur(s)

Doaa Ahmed Fouad Hamed Mostafa Mohamed El Dawlatly Sahar Hosny El Dessouky Reham Hamdy

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