Accuracy of facial skeletal surfaces segmented from CT and CBCT radiographs.

ABSTRACT: The accuracy of three-dimensional (3D) facial skeletal surface models derived from radiographic volumes has not been extensively investigated yet. For this, ten human dry skulls were scanned with two Cone Beam Computed Tomography (CBCT) units, a CT unit, and a highly accurate optical surface scanner that provided the true reference models. Water-filled head shells were used for soft tissue simulation during radiographic imaging. The 3D surface models that were repeatedly segmented from the radiographic volumes through a single-threshold approach were used for reproducibility testing. Additionally, they were compared to the true reference model for trueness measurement. Comparisons were performed through 3D surface approximation techniques, using an iterative closest point algorithm. Differ

SUBMITTER: Ghamri M 

PROVIDER: S-EPMC10684569 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature