Publications by authors named "Gerrit J Meijer"
Article Synopsis
- Vegetation, particularly roots from species like willow and gorse, increases soil shearing resistance by absorbing water and reinforcing the soil structure.
- Traditional models for predicting how rooted soils behave often rely on hard-to-measure parameters, resulting in inconsistent predictions due to the complex interactions between soil and roots.
- Researchers used advanced imaging techniques to measure soil behavior and found that root characteristics significantly affect shear resistance, leading to an improved model that accurately predicted the increased resistance in root-reinforced soils.
Does initial buccal crest thickness affect final buccal crest thickness after flapless immediate implant placement and provisionalization: A prospective cone beam computed tomogram cohort study.
Clin Implant Dent Relat Res
February 2022
Background: Flapless immediate implant placement and provisionalization (FIIPP) in the aesthetic zone is still controversial. Especially, an initial buccal crest thickness (BCT) of ≤1 mm is thought to be disruptive for the final buccal crest stability jeopardizing the aesthetic outcome.
Purpose: To radiographically assess the BCT and buccal crest height (BCH) after 1 year and to calculate the correlation between initial and final achieved BCT.
We aimed to investigate the effectiveness of software for automatically tracing the mandibular canal on data from cone-beam computed tomography (CT). After the data had been collected from one dentate and one edentate fresh cadaver head, both a trained Active Shape Model (ASM) and an Active Appearance Model (AAM) were used to automatically segment the canals from the mandibular to the mental foramen. Semiautomatic segmentation was also evaluated by providing the models with manual annotations of the foramina.
View Article and Find Full Text PDFPurpose: To establish the accuracy of cone-beam computed tomographic (CBCT) views in determining the position and diameter of the mandibular canal.
Materials And Methods: Two freshly frozen cadaver heads, 1 dentate and 1 edentate, were used to acquire CBCT scans. Measurements on cross-sectional CBCT images were compared with measurements on digitized histologic sections of the same regions in the mandibles.
Objectives: The purpose of this study was to determine the accuracy of Cone Beam Computerized Tomography (CBCT) reconstructions in displaying bone surface size and cortical layer thickness.
Materials And Methods: Two fresh frozen cadaver heads were scanned using a CBCT (i-CAT(™) 3D Imaging System; Imaging Sciences International Inc.).