搜索结果: 1-12 共查到“口腔正畸学 Finite Element”相关记录12条 . 查询时间(0.58 秒)
Orthodontic forces generated by a simulated archwire appliance evaluated by the Finite Element Method
Finite element method Orthodontic forces Appliance analysis Stress analysis
2009/1/23
The finite element method has been used to determine the stress distribution generated by the initial placement of a simulated preset bracket-type orthodontic appliance utilizing titanium-nickel all...
Stresses induced by edgewise appliances in the periodontal ligament — a finite element study
Periodontal ligament Stress analysis Finite element technique Edgewise appliances
2009/1/13
The quantification of stress in the periodontal ligament is an important concept, as stress in this tissue is transmitted to the alveolus, with subsequent bone remodelling and tooth movement. A nu...
Finite element-based cephalometric analysis
Finite elements Morphometrics Cephalometry Computers
2009/1/12
The finite element method has proven to be a useful tool for morphometric analysis in craniofacial biology. However, few attempts have been made to adapt this method for routine use by clinicians....
Mandibular morphology in subjects with Class III malocclusions：Finite-element morphometry
Class III Finite element Mandible Morphology Morphometry
2009/1/8
The absence of physical restraint may be associated with a mandibular allometry that contributes to mandibular prognathism. Cephalographs of 73 prepubertal children of European American descent with u...
Allometry of the cranial base in prepubertal Korean subjects with Class III malocclusions：Finite element morphometry
Cranial base Cephalometric Class III Craniofacial Korean Finite element Morphometry
2009/1/7
Sphenoethmoidal allometry could be associated with ethnic heterogeneity of the midfacial profile. Thirteen cranial base landmarks were digitized from cephalographs of 69 Korean and 73 European Ame...
Finite-element morphometry of soft tissue morphology in subjects with untreated Class III malocclusions
Class III Finite-element Soft tissues Morphology Morphometry
2009/1/7
Soft tissue dynamics may contribute to maxillomandibular allometry (size-related changes in shape) associated with the development of Class III malocclusions. Lateral cephalographs of 124 prepuberta...
An Evaluation of the Quality of Orthodontic Attachment Offered by Single- and Double-Mesh Bracket Bases Using the Finite Element Method of Stress Analysis
Finite element method Stress analysis Bracket base
2008/12/26
The objective of this study was to evaluate the influence of bracket base mesh geometry on the stresses generated in the bracket-cement-tooth continuum by a shear/peel load case. A validated three- ...
A Finite Element Model of Apical Force Distribution From Orthodontic Tooth Movement
Stress analysis Loading Orthodontic forces
2008/12/26
This study was undertaken to determine the types of orthodontic forces that cause high stress at the root apex. A 3-dimensional finite element model of a maxillary central incisor, its periodontal l...
Optimization of Unilateral Overjet Management: Three-Dimensional Analysis by the Finite Element Method
Class II Subdivision treatment Midline correction Asymmetric overjet Finite element method
2008/12/26
The main goal of this research was to introduce, evaluate, and mathematically optimize the treatment procedure of unilateral overjet cases. Patients with Class II subdivision malocclusions usually r...
Influence of Friction at Articular Surfaces of the Temporomandibular Joint on Stresses in the Articular Disk: A Theoretical Approach with the Finite Element Method
TMJ stress Finite element method Jaw opening Joint friction
2008/12/19
The present study was designed to assess stress and displacement of the temporomandibular joint (TMJ) disk during jaw opening with different frictional coefficients (μ) from 0.0001 to 0.5 at the TMJ...
Anchorage Effects of a Palatal Osseointegrated Implant with Different Fixation: A Finite Element Study
Implant Anchorage Finite element analysis
2008/12/1
The purpose of this study was to compare the anchorage effect of the osseointegrated implant with different fixation types using finite element analysis. Three fixation types were investigated. fixa...
Anchorage Effect of Various Shape Palatal Osseointegrated Implants: A Finite Element Study
Implant Anchorage Finite element analysis
2008/11/27
The purpose of this study was to compare the anchorage effects of different palatal osseointegrated implants using a finite element analysis. Three types of cylinder implants (simple implant, step i...