Results 11 to 20 of about 6,960,427 (243)

Experimental Study on Bearing Capacity of Corroded Reinforced Concrete Arch Considering Material Degradation

open access: yesFrontiers in Materials, 2022
To study the bearing capacity of a corroded reinforced concrete (RC) arch and analyze the deterioration mechanism of an in-service RC arch bridge, a deterioration simulation under the coupling effect of the environment and load was performed by employing
Jingzhou Xin   +5 more
doaj   +1 more source

ARCH-COMP20 Category Report: Stochastic Models

open access: yes, 2020
This report presents the results of a friendly competition for formal verification and policy synthesis of stochastic models. It also introduces new benchmarks within this category, and recommends next steps for this category towards next year’s edition ...
Khaled Mahmoud   +15 more
core   +1 more source

A new way of analyzing tooth movement using universal coordinate system geometry single point superposition in a 3D model [PDF]

open access: yesDental Press Journal of Orthodontics, 2023
Introduction: Superposing 3D models is an imminent need. However, current methods rely on marking multiple points on the maxilla and mandible, which could increase point marking and overlapping errors. Objective: This study aimed at developing a method
Rodrigo Xavier Silveira de SOUZA   +7 more
doaj   +1 more source

Effects of outliers on the identification and estimation of GARCH models [PDF]

open access: yes, 2006
This paper analyses how outliers affect the identification of conditional heteroscedasticity and the estimation of generalized autoregressive conditionally heteroscedastic (GARCH) models.
Ruiz Ortega, Esther   +6 more
core   +1 more source

A Retrospective Study to Evaluate the Intra-Arch Dimensional Changes in Moderate Crowding Cases Treated Non Extraction with a Passive Self-Ligation Appliance [PDF]

open access: yesIranian Journal of Orthodontics, 2018
Background: Non-extraction treatment protocols are better accepted by patients as well as clinicians. Among the techniques and mechanics with the potential to facilitate non-extraction treatment includes headgears, fixed sagittal correctors, transverse ...
Vishal Bharadwaj   +6 more
doaj   +1 more source

Three-dimensional of lingual arch form and creation of templates in Iraqi normal occlusion

open access: yesJournal of Orthodontic Science, 2023
OBJECTIVES: To evaluate the lingual dental arch form types in class I canine and molar relationship based on scanning dental cast models using three-dimensional laser scan and to give a new lingual arch form pattern created on this classification to be ...
Ali Jamal Abdul Razzaq, Zaid Dewachi
doaj   +1 more source

Accuracy of Digital Models in Orthodontic Diagnosis

open access: yesTurkish Journal of Orthodontics, 2008
The overall objective of this study is to compare the measurements of plaster models and digital models on teeth with dental abnormalities. Pretreatment orthodontic models of 30 patients were selected from the archive of our university clinic.
Törün Özer, Celal Genç
doaj   +1 more source

Digital models: How can dental arch form be verified chairside?

open access: yesDental Press Journal of Orthodontics
Introduction: Plaster dental casts are routinely used during clinical practice to access maxillary dental arch form and assist on fabrication of individualized orthodontic archwires.
Alana Tavares   +2 more
doaj   +1 more source

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