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Acta Odontológica Latinoamericana
versión impresa ISSN 0326-4815versión On-line ISSN 1852-4834
Resumen
PEREZ-SANCHEZ, Guillermo et al. Vestibular Alveolar bone height measurement: Accuracy and Correlation between direct and indirect techniques. Acta odontol. latinoam. [online]. 2020, vol.33, n.1, pp.22-26. Epub 01-Jun-2020. ISSN 0326-4815.
Cone Beam Computed Tomography (CBCT) has modified the perspective of dentistry images, providing manipulable threedimensional images with a 1:1 patient:image ratio. Treatments and diagnosis are modified or corroborated by CBCT; however, its accuracy in thin structures such as cortical bone has been subjected to critical review. The aim of this study is to correlate the measurement of vestibular alveolar bone height using direct measurements and measurements performed with conebeam tomographic images with standard (SD) voxel resolution. Thirty incisor and premolar teeth of patients undergoing open curettage were measured with a highprecision caliper and with Cone Beam Computed Tomography (CBCT) at an SD resolution of 0.16 mm voxels in a 3D Orthophos XG Sirona scanner. Intraobserver evaluation was performed using the intraclass correlation coefficient (ICC). Direct measurements and CBCT measurements were correlated using Pearson correlation (PCC). The mean difference between indirect and direct measurements was 3.15 mm. Paired t test and Pearson Correlation coefficient determined that all measurements differed statistically from each other with p<0.05. With the CT scanner and protocol used in this study, CBCT images do not enable accurate evaluation of vestibular alveolar bone height.
Palabras clave : Computed tomography; Conebeam; Diagnostic imaging; Alveolar bone loss; Tooth.