Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 17 of 17 for “"Bone Thickness"”.
-
Characterization of Rib Cortical Bone Thickness Changes With Age and Sex
… in the elderly population) is the rib cortical bone.
-
Factors Affecting Gingival Recession in the Esthetic Zone: A Human Cadaver Study
… following parameters in fresh cadavers: gingival thickness, buccal bone loss, buccal bone thickness, shape of bony dehiscence defect, and age. A secondary aim was to evaluate predictors for gingival recession.</p> <p>Sixteen fresh cadavers were used in this study. Gingival recession, facial …
-
The Effect of Tooth Presence on Identification of Tooth Socket Lamina Dura Surface: A CBCT Study
… in identifying the lamina dura surface, facial bone surface, facial and lingual bone margins, socket apex, as well as in facial bone thickness measurement. Materials & Methods: Three fresh cadaver heads were scanned using a NewTom 5G CBCT at 0.100 mm voxel size at three time-points: before …
-
Morphological Changes in Alveolar Bone Following Orthodontic Space Closure
… </em>Changes occurring in anterior alveolar bone following orthodontic tooth movement are controversial. Some research has shown that orthodontic tooth movement results in the adaptation of cortical bone; others have shown that it results in dehiscence and fenestrations.</p> <p><em>Purpose: …
-
Quantitative Magnetic Resonance Imaging and Analysis of Articular Cartilage and Osteoarthritis
… from knee MRIs as well as of cortical bone thickness from knee CTs. Chapter 1 will provide an introduction into the structure and biomechanics of articular cartilage and the role of MRI in imaging the degenerative joint disorder, osteoarthritis as well as the effects of different joint …
-
Bone Characterization of Dicer Deficient Transgenic Mice Under Dmp1 Promoter
… from osteoblasts and encased in mineralized bone matrix. Dentin matrix protein 1 (DMP1) is used as a marker and highly expressed in early-stage osteocytes. MicroRNA (miRNA) are small, single-stranded non-coding RNA molecules that function in RNA inactivation and post-transcriptional …
-
Improved Cranial Fracture Metrics For Assessing The Protective Benefits Of Helmet Systems
… of peak impact force, impact velocity, bone thickness considered in conjunction with impact velocity, and the Blunt Criterion (BC). It was concluded that flat impact diameter and radius of curvature should be measured within BHBT assessment to improve the accuracy of cranial fracture …
-
The independent and combined effects of rapamycin and metformin on naturally occurring osteoarthritis
… by articular cartilage loss, subchondral bone sclerosis, meniscal calcification, synovitis, and skeletal muscle dysfunction. Inhibiting the mechanistic target of rapamycin (mTOR) and stimulating AMP-activated protein kinase (AMPK) has extended lifespan and protected against post-traumatic …
-
The Effect of Scan Settings on the Identification of Tooth Socket Lamina Dura Surface: A CBCT Study
… scan settings on the ability to delineate buccal bone and overall diagnostic quality of images produced. The aim of this study was to determine if adjacent structures with similar radiodensity and variable scan settings (field of view and voxel size) significantly impact the ability to accurately …
-
Dental and Buccal Bone Stability After Rapid Maxillary Expansion and Fixed Orthodontic Treatment
… distance (ID), interdental angle (IA), buccal bone thickness (BBT) and buccal marginal bone level (BMBL) of the first premolar (P1), second premolar (P2) and first molar (M1) at T1, T2 and T3 were made and recorded. This data was compared using Friedman, Kruskal-Wallis, Wilcoxon Signed Rank and …
-
Development of a Computational Approach to Assess Hip Fracture and Repair: Considerations of Intersubject and Surgical Alignment Variability
… models of hip fracture have evaluated bone strains to assess fracture risk, the current study advances the state of the art by utilizing a novel technique in the extended finite element method (XFEM) to assess hip fracture and develops a computational approach to evaluate fracture …
-
Mathematical modelling of bone remodelling at the cellular level and the interaction between myeloma cells and the bone microenvironment
After an initial phase of growth and development, bone undergoes a continuous cycle of repair, renewal and optimization, by a process termed remodelling. Bone remodelling is the coordinated processes of resorption by osteoclasts and formation by osteoblasts, where old bone is replaced by new bone. …
-
The effect of distance between hole and hole to the structural stability of subchondral bone in the microfracture surgery
… cell drainage after exposure of subchondral bone layer shoud affect the biomechanical property the overall subchondral bone. We hypothesis distance between hole and hole is will be correlated with the structural stability subchondral bone, in the microfracture surgery. In this study, we …
-
CBCT Evaluation for Risk Analysis in Implant Placement: A Retrospective and Validation Study
… of the peri-implant soft tissues and progressive bone loss around dental implants. This condition is particularly concerning in anterior regions of the oral cavity, where the loss of soft tissue integrity can result in significant aesthetic, biological, and functional complications. Facial growth, …
-
3D Analysis Of The Hip Joint For The Prediction Of Osteoarthritis
… here involved 2D and 3D measures of hip cortical bone structure from routine clinical computed tomography (CT) scans of patients to predict clinically-relevant hip osteoarthritis. Outside the research environment, clinical practice and trials still use simple 2D outcome measures from radiographs. …
-
An In-Vitro Study Evaluating the Fracture Resistance and Insertion Torque of Self-Drilling Mini-Implants Upon Insertion Into Synthetic High Density Mandibular Bone.
… fracture resistance in areas of high density bone without pre-drilling. Purpose: To determine the peak fracture torques of six commonly used self-drilling mini-implants, and to examine how each performs in extreme conditions without pre-drilling. Materials and Methods: Fifteen mini-implants …