Results 21 to 30 of about 142,225 (310)

A Proposed In Vitro Methodology for Assessing the Accuracy of Three-Dimensionally Printed Dental Models and the Impact of Storage on Dimensional Stability

Applied Sciences, 2021
The objective of this study was to propose a standardised methodology for assessing the accuracy of three-dimensional printed (3DP) full-arch dental models and the impact of storage using two printing technologies. A reference model (RM) comprising seven
Li Hsin Lin, Joshua Granatelli, Frank Alifui-Segbaya, Laura Drake, Derek Smith, Khaled E. Ahmed   +5 more
doaj   +1 more source

Relevance of Resin for Photoelasticity [PDF]

Materials Research
The goal of this study is to test photoelastic resins for manufacturing models with teeth and/or implants under chewing load. Four commercial brands have been chosen: Araldite (Ciba Chemicals), Flexible GIV-Rigid GIV (Polipox) and PL2 (Measurements Group)
Adriana Vieira Martins, Wellington Márcio dos Santos Rocha, Nelson Renato França Alves Silva, Rodrigo de Castro Albuquerque, Allyson Nogueira Moreira, Rodrigo Richard da Silveira, Cláudia Silami Magalhães, Wellington Antonio Soares   +7 more
doaj   +2 more sources

An evaluation of concordance between linear measurements obtained from conventional, digital and reconstructed three-dimensional printed orthodontic models: An in vitro study

Acta Marisiensis - Seria Medica, 2022
Objective: To evaluate the potential use of digital and reconstructed three-dimensional printed models as an alternative to conventional plaster models by assessing the accuracy of their linear measurements.
Shetty Shravan, Natarajan Srikant, Nambiar Supriya, Shetty Prithvi, Chengappa Kavery, Shetty Mukul   +5 more
doaj   +1 more source

Accuracy of digital dental models and three-dimensional printed dental models in linear measurements and Bolton analysis [version 1; peer review: 2 approved, 1 approved with reservations]

F1000Research, 2021
Background: Due to advances in digital technology, it is possible to obtain digital dental models through intraoral scanning. The stereolithographic data collected from the scanner can subsequently be printed into a three-dimensional dental model in ...
William Suryajaya, Maria Purbiati, Nada Ismah   +2 more
doaj   +1 more source

Efficiency and Accuracy of Three-Dimensional Models Versus Dental Casts: A Clinical Study

Turkish Journal of Orthodontics, 2019
Objective:The aim of this study was to compare the accuracy of digital and plaster model methods and the time required for analysis.Methods:A total of 30 subjects (20 females, 10 males; mean age, 14.36±6.30 years), who required plaster models for the ...
Hakan Yılmaz, Fethiye Çakmak Özlü, Carmen Karadeniz, Ersan İlsay Karadeniz   +3 more
doaj   +1 more source

Mesial Rotation of the Upper First Molar: Association with Anterior Dental Crowding in Mixed and Permanent Dentition

Applied Sciences, 2020
The position of the upper first molar (UFM) is currently considered the “key of occlusion”. The purpose of this study was to evaluate the prevalence of the mesiorotated UFM, and its relationship with anterior dental crowding in mixed and permanent ...
Vincenzo Quinzi, Simona Tecco, Alessandro Nota, Eleonora Caggiati, Stefano Mummolo, Giuseppe Marzo   +5 more
doaj   +1 more source

Bioengineering the ameloblastoma tumour to study its effect on bone nodule formation

Scientific Reports, 2021
Ameloblastoma is a benign, epithelial cancer of the jawbone, which causes bone resorption and disfigurement to patients affected. The interaction of ameloblastoma with its tumour stroma drives invasion and progression.
Deniz Bakkalci, Amrita Jay, Azadeh Rezaei, Christopher A. Howard, Håvard Jostein Haugen, Judith Pape, Shosei Kishida, Michiko Kishida, Gavin Jell, Timothy R. Arnett, Stefano Fedele, Umber Cheema   +11 more
doaj   +1 more source

Comparative study of the usability of two software programs for visualization and analysis of digital orthodontic models [PDF]

Journal of Dental Research, Dental Clinics, Dental Prospects, 2018
Background. Software programs for visualization and analysis of digital orthodontic models, apart from presenting the necessary features for diagnosis and treatment planning, also need to be user-friendly.
Matheus Felter, Milena de Moraes Oliveira Lenza, Maurício Guilherme Lenza, Wendel Minoro Muniz Shibazaki, Rhonan Ferreira Silva   +4 more
doaj   +1 more source

Cost-Effective Full-Color 3D Dental Imaging Based on Close-Range Photogrammetry

Bioengineering, 2023
Dental imaging plays a crucial role in clinical dental practice. Conventional 2D dental imaging serves general-purpose tasks, such as patient documentation, while high-precision 3D dental scanning is tailored for specialized procedures, such as ...
Bin Yang, Jennifer Schinke, Amir Rastegar, Melikhan Tanyeri, John A. Viator   +4 more
doaj   +1 more source

Efficacy of two different layer heights on the accuracy of 3-D printed orthodontic models [PDF]

Ain Shams Dental Journal
Aim: This study aimed to assess the accuracy of the 3D printed model by DLP technology at 50-µm and 100-µm layer heightMaterial and Methods: A desktop scanner, R700 desktop scanner (3Shape, Copenhagen, Denmark) was used to scan an orthodontic typo-dent ...
Kareem Shendy, Mona Abou El Fotouh, Tarek Ali, Sharaf Eldeen M. Abbas, Shaimaa Abuelsadat   +4 more
doaj   +1 more source