Evaluating Maxilla Bone Quality Through Clinical Investigation of Voxel Grey Scale Values from Cone-Beam Computed Tomography for Dental Use

Advances in Clinical and Experimental Medicine : Official Organ Wroclaw Medical University
Krzysztof Andruch, Anna Płachta

Abstract

During the study the relative bone density thickness in maxilla was evaluated in 20 patients. The aim of the study was to investigate relative bone density in maxilla by means of voxel value measurements. The study comprised of 20 patients in whom cone beam computed tomography scans were made for diagnostic purposes. The horizontal scans of the maxilla were used for analysis. The measurements of density of both cortical plates and trabecular bone were taken in interdental spaces. To eliminate negative values a modified grey scale was introduced in which radiological density of the air was determined as "0". For every patient relative bone density was calculated separately for anterior and posterior maxilla. Mean values of relative radiological density for cortical plates and trabecular bone were 0.849 for palatal cortical plate, 0.8978 for vestibular cortical plate and 0.5988 for trabecular bone in anterior maxilla with standard deviation (SD) 0.0931 - 0.0971 - 0.1091 respectively. In posterior maxilla the mean values were 0.5274 for palatal cortical plate, 0.6047 for vestibular cortical plate and 0.3307 for trabecular bone with SD 0.1635 - 0.1515 - 0.126 respectively. The statistically significant difference (p < 0.001) was fo...Continue Reading

Citations

Nov 6, 2018·Progress in Orthodontics·Sumit YadavAditya Tadinada
Oct 1, 2020·Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology·Inara Carneiro Costa RegeElismauro Francisco Mendonça

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