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Purpose: To create tridimensional (3D) anatomical models of diaphyseal fractures in dogs (3D AMDFD) and to evaluate the models from their radiographs.
Methods: The study consisted of six stages: preparation of femur from a healthy dog cadaver; digitalization of the bone through a 3D scanner and creation of the base model; creation of a 3D AMDFD based on the image of the base model, 3D modeling carried out to reproduce five different types of diaphyseal fractures; printing the models produced on a 3D printer with a thermoplastic material; insertion of neodymium magnets in the fracture line to allow the assembly and disassembly of the parts; and radiography of 3D AMDFD in lateromedial and craniocaudal positions.
Results: The base model and 3D AMDFD had high precision in the replication of bone structures, like the bone in natura.
Applying a three-dimensional curved lumbar spine model to simulate surgery for training residents in pedicle screw insertion.
Surg Radiol Anat
December 2024
Department of Anatomy, Digital Imaging and 3D Modelling Laboratory, Faculty of Medicine, Ege University, Bornova, 35100, Izmir, Turkey.
Purpose: The challenges of spinal surgery can be overcome by deeply understanding the anatomical and surgical complexities of the region through the use of model simulators. This study investigates the impact of digitally designed simulators, specifically lumbar spinal models with abnormal curvature, on preoperative planning and their effectiveness as training tools. The study addresses challenges in spine surgery, such as unique deformities, classification issues, and associated abdominal structure abnormalities.
View Article and Find Full Text PDFComparative analysis of the fit quality of monolithic zirconia veneers produced through traditional and digital workflows using silicone replica technique: an in vitro study.
BMC Oral Health
December 2024
Faculty of Odonto-Stomatology, University of Health Sciences, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.
Background: The success of a restoration largely depends on the quality of its fit. This study aimed to investigate the fit quality of monolithic zirconia veneers (MZVs) produced through traditional and digital workflows.
Methods: A typodont maxillary right central incisor was prepared.
Enhancing dental education with a 3D point cloud comparison and augmented reality for auto-evaluation of fixed prosthodontic practice: An in vitro study.
J Dent
February 2025
Institute for Translational Research in Dentistry, Kyungpook National University, Daegu, Korea; Department of Prosthodontics, University of Iowa College of Dentistry and Dental Clinics, Iowa City, IA, USA; Department of Prosthodontics, School of Dentistry, Kyungpook National University, Daegu, Korea. Electronic address:
Article Synopsis
- Traditional evaluations of dental students' fixed prosthodontic skills are often time-consuming and subjective, prompting the development of a new 3D auto-evaluation tool utilizing augmented reality (3DAR) to improve the efficiency and reliability of these assessments.
- The study involved 50 dental students who prepared tooth models, which were then scanned and evaluated using the 3DAR algorithm, resulting in strong reliability scores compared to a traditional manual scoring method, while also saving significant time during evaluations.
- The results indicated that the 3DAR method not only provided highly reliable assessments but also drastically reduced evaluation time and received positive feedback from users, highlighting its potential to enhance dental education.
Accuracy of 3 Intraoral Scanners in Recording Impressions for Full Arch Dental Implant-Supported Prosthesis: An In Vitro Study.
Med Sci Monit
December 2024
Department of Prosthetic Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia.
BACKGROUND This study used an edentulous mandibular resin model with 6 parallel osteotomy sites and aimed to compare the accuracy (trueness and precision) of 10 digital impressions using 3 intraoral scanners, the 3Shape TRIOS 5, Medit i700, and Primescan, using Medit Link v3.3.2 software.
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