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| http://dx.doi.org/10.1016/j.hrcr.2022.12.010 | DOI Listing |
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Semi-sitting position and retrosigmoid approach for a large petroclival meningioma resection: 3-dimensional operative video.
Surg Neurol Int
December 2024
Department of Neurosurgery, Padilla Hospital of Tucuman, San Miguel de Tucuman, Argentina.
Background: Petroclival meningiomas are still a neurosurgical challenge due to their proximity to cranial nerves and cerebral vasculature along the surgical corridor. The usual extension of large petroclival meningiomas is along the posterior fossa, frequently compromising and displacing adjunct cranial nerves such as the sixth and seventh-eight cranial nerve complex with brainstem compression, causing progressive neurological deficit and severe headache. The goal of sizeable petroclival meningioma surgery treatment is a maximal resection with preservation of neurological function.
View Article and Find Full Text PDFAdvancing 3D dental scanning: The use of photogrammetry with light detection and ranging for edentulous arches.
J Prosthet Dent
December 2024
Professor and Chair, Department of Restorative Dentistry, Rutgers School of Dental Medicine, Rutgers Biomedical and Health Sciences, Rutgers University, Newark, NJ.
Statement Of Problem: The advent of computer-aided design and computer-aided manufacturing (CAD-CAM) has necessitated the acquisition of digital scans. However, there are limitations and problems with acquiring accurate 3-dimensional (3D) casts from edentulous patients, especially in the presence of saliva.
Purpose: The purpose of this in vitro study was to develop a novel approach for obtaining 3D casts of edentulous arches by using 2-dimensional (2D) images as an alternative to traditional 3D scanners with and without light detection and ranging (LiDAR).
The Use of 3-Dimensional Modeling and Printing in Corrective Osteotomies of the Malunited Pediatric Forearm: A Systematic Review and Meta-Analysis.
J Am Acad Orthop Surg Glob Res Rev
December 2024
From the Evelina London Children's Hospital, Guy's and St. Thomas' NHS Trust, London, UK (Dr. Fossett and Dr. Afsharpad); the Imperial College London University, South Kensington, London, UK (Dr. Fossett and Dr. Sarraf); and the St. Mary's Hospital, Imperial College Healthcare, London, UK (Dr. Sarraf).
Introduction: Forearm fractures contribute up to 40% of all pediatric fractures, with ≤39% of conservatively managed fractures resulting in malunion. Surgical management of malunion is challenging as precise calculation of multiplanar correction is required to obtain optimal outcomes. Advances in 3D computer modeling and printing have shown promising results in orthopaedics, reducing surgical time, blood loss, and fluoroscopy.
View Article and Find Full Text PDFAccuracy of a facebow record: A comparison between a conventional facebow and a smartphone 3D scanner.
J Prosthet Dent
November 2024
Clinical Assistant Professor, Department of Biologic and Materials Sciences & Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, Mich. Electronic address:
Statement Of Problem: Accurately transferring the maxillary cast to the articulator is an essential step in most prosthodontics procedures in both digital and conventional workflows. Recently, the use of a smartphone 3-dimensional (3D) scanner-based virtual facebow record has been reported, but its accuracy is unclear.
Purpose: The purpose of this clinical study was to compare the trueness and precision of a virtual facebow record made with a smartphone 3D scanner with that of a conventional facebow technique.
The Use of Nanoceramic Hybrid Material and Digital Light Processing Technology for 3D Printing of an Implant-Supported FP3 Restoration: A Case Report.
Compend Contin Educ Dent
November 2024
Adjunct Professor, Division of Restorative Dentistry, University of Pennsylvania School of Dental Medicine, Philadelphia, Pennsylvania.
The advancement of digital technologies, including 3-dimensional (3D) imaging and computer-aided design/computer-aided manufacturing (CAD/CAM), and material science has significantly transformed dentistry. Current CAD/CAM techniques incorporate both subtractive and additive (eg, 3D printing) manufacturing methods, with 3D printing offering such benefits as reduced material waste and the ability to produce complex geometries. Much research has focused on the development of hybrid materials that merge the esthetics and durability of ceramics with the high flexural strength, low abrasiveness, and intraoral repairability characteristics of resin composites.
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