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The influence of sintering of osteoporotic vertebral fractures on the sagittal lumbar profile and degenerative changes.
J Orthop Surg Res
January 2025
Department of Orthopaedic and Trauma Surgery, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany.
Background: Osteoporosis, a skeletal disorder affecting nearly 20% of the global population, poses a significant health concern, with osteoporotic vertebral body fractures (VBF) representing a common clinical manifestation. The impact of osteoporotic sintering fractures in the thoracolumbar spine on the sagittal lumbar profile is incompletely understood and may lead to the onset of clinical symptoms in previously asymptomatic patients.
Methods: This retrospective single-center study analyzed data from patients presenting with osteoporotic spine fractures between 2017 and 2022.
High Preoperative T1 Slope is a Marker for Global Sagittal Malalignment.
Clin Spine Surg
January 2025
Department of Orthopedic Surgery, NYU Langone Health, New York, NY.
Article Synopsis
- The study analyzed preoperative data from adult spinal deformity patients to establish a threshold for T1 slope (T1S) from cervical radiographs that indicates thoracolumbar malalignment.
- Researchers found a specific cutoff of 30 degrees for high T1S, with 50% of the patients falling above this threshold.
- Notably, higher T1S was linked with greater thoracic kyphosis, sagittal vertical axis, T1-pelvic angle, and pelvic tilt, suggesting that this measurement could serve as a useful parameter in cervical evaluations.
Purpose: To clarify the femoral tunnel location for a virtual anterior cruciate ligament (ACL) graft to simulate the native ACL.
Methods: Three-dimensional (3D) computed tomography (CT) and magnetic resonance imaging (MRI) were obtained in 14 normal knees in full extension. Two types of virtual triple bundle ACL grafts (VACLG) were created.
Comparative analysis of estimated age by pulp-to-tooth area ratio using CBCT in three different teeth on a subset of Hyderabad population: A preliminary study.
J Forensic Odontostomatol
December 2024
Department of Oral Medicine and Radiology, Army College of Dental Sciences.
Objectives: The study aims to evaluate the pulp-to-tooth area ratio in permanent maxillary central incisors, lateral incisors, and canines for age estimation using three-dimensional cone beam computed tomography images.
Methods: Hundred cone-beam computed tomography (CBCT) images of patients aged between 12-70 years were retrospectively studied using NNT Viewer software version 13. Pulpal and teeth area were evaluated with the "area tool" in the acquired images in all three planes, and the pulp-to-tooth area ratio (PTR) was calculated with the measurements obtained.
Dentoalveolar characteristics in subjects with different anteroposterior relationships: a retrospective cross-sectional Cone-Beam Computed Tomography study.
BMC Oral Health
December 2024
College of Dental Medicine, QU Health, Qatar University, P.O. Box: 2713, Doha, Qatar.
Background: The collum angle, tooth dimensions, root length, and alveolar bone thickness have a significant impact on orthodontic diagnosis and treatment planning. The boundaries of orthodontic tooth movement are determined by alveolar bone thickness and dimensions while the collum angle determines the appropriate positioning of the root relative to the cortical plate. This study aimed to compare the collum angle, crown dimensions, root length, and alveolar bone thickness of the upper and lower incisors, canines, and premolars in subjects with varying anteroposterior relationships.
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