搜索结果: 1-15 共查到“口腔医学 3-Dimensional”相关记录55条 . 查询时间(0.125 秒)
Three dimensional accurate positioning of implant by using new surgical guide - In vivo study
dimensional accurate positioning implant surgical guide
2010/11/3
Three dimensional accurate positioning of implant by using new surgical guide - In vivo study.
Three-dimensional Observation of Decrease in Pulp Cavity Volume Using Micro-CT: Age-related Change
Pulp chamber Secondary dentin Micro-CT
2010/12/1
We investigated three-dimensional decrease in the volume of the pulp chamber caused by age-related secondary dentin formation using micro-CT and evaluated the applicability of the results to evaluati...
The influence of storing alginate impressions sprayed with disinfectant on dimensional accuracy and deformation of maxillary edentulous stone models
Alginate impression materials Spray disinfection Dimensional accuracy
2010/11/26
This study investigated the effects of storing impressions for 3 hours after spraying them with a disinfectant solution on dimensional change and deformation of maxillary edentulous stone models. Thre...
Construction of database for three-dimensional human tooth models and its ability for education and research - Carious tooth models -
Micro-CT Three-dimensional tooth models Carious tooth
2010/11/26
To construct a human teeth database which is freely available to researchers and students, three-dimensional human tooth models were generated in a previous study, by means of micro-CT, from 35 human ...
Stress Distribution in Mandible and Temporomandibular Joint by Mandibular Distraction: A 3-Dimensional Finite-element Analysis
Mandibular distraction Three-dimensional finite-element method
2010/12/1
The effects of mandibular distraction on the mandible and its surrounding tissue remain to be clarified. Here, we used a 3-dimensional finite-element method to investigate the effects of unilateral ho...
A Photographic System for the Three-Dimensional Study of Facial Morphology
Face Soft tissue analysis Three-dimensional Photographs
2010/3/9
Objectives: To test whether digital photographs supported by three-dimensional (3D) software are suitable for measuring the facial soft tissues of healthy subjects as compared with data obtained by a ...
Reliability of Traditional Cephalometric Landmarks as Seen in Three-Dimensional Analysis in Maxillary Expansion Treatments
Cone-beam computerized tomography Landmark reliability Maxillary expansion
2010/3/9
Objective: To evaluate intra-examiner and inter-examiner reliability of 3D CBCT-generated landmarks previously used in traditional 2D cephalometry.
Materials and Methods: Twenty-four CBCTs NewTom 3G ...
Dimensional stability of distances between posterior teeth in maxillary complete dentures
Denture complete Water storage Tooth movement
2009/10/19
The aim of this study was to assess the displacement of posterior teeth in maxillary complete dentures stored in water at 37°C. Twenty acrylic resin-based maxillary complete dentures were constructed ...
Development of Three-dimensional FE Modeling System from the Limited Cone Beam CT Images for Orthodontic Tipping Tooth Movement
Three-dimensional FE model Orthodontic tooth movement Limited cone beam CT
2009/9/14
Previously, numerous three-dimensional finite element (FE) models of the dentoalveolar complex have been developed and stress analyses of orthodontic tooth movements were reported. Most of the models ...
Stress Analysis of Clasps Made of Glass Fiber-reinforced Composite Material Using Three-dimensional Finite Element Method: Influence of Shape in Cross and Longitudinal Sections of Circumferential Clasp Arms
Glass fiber-reinforced composite Clasp arm shape Finite element method
2009/9/14
The purpose of this study was to investigate the effects of different cross-sectional shapes and presence of taper on stress distribution in clasp arms made of glass fiber-reinforced composite (FRC) m...
Effects of Disinfection of Combined Agar/Alginate Impressions on the Dimensional Accuracy of Stone Casts
Agar impression material Alginate impression material Disinfection
2009/9/14
This study investigated the effects of disinfection of combined agar/alginate impressions on the dimensional accuracy of resultant stone casts. Impressions of a master cast designed to simulate an abu...
A Three-dimensional Analysis Method for Edentulous Mandibular Ridge Shape
Edentulous ridge Laser measurement Complete denture
2009/9/14
The aim of this study was to develop a three-dimensional method to analyze edentulous ridge shapes.
A laser projection method was used to record the shape of edentulous plaster models. Contour of res...
Three-dimensional Finite Element Analysis of Stress Distribution in Composite Resin Cores with Fiber Posts of Varying Diameters
Finite element analysis Composite resin core with fiber post Fiber post diameter
2009/9/11
Using three-dimensional finite element analysis (3D-FEA), stress distributions in the remaining radicular tooth structure were investigated under the condition of varying diameters of fiber post for f...
Three-dimensional finite element modeling from CT images of tooth and its validation
Finite element modeling Tooth CT
2009/9/11
The aim of this study was to develop a three-dimensional (3D) finite element (FE) model of a sound extracted human second premolar from micro-CT data using commercially available software tools. A det...
Facial Morphology of Slovenian and Welsh White Populations Using 3-Dimensional Imaging
Imaging Three-dimensional Anthropometry Face Orthodontics Surgery Oral
2010/3/5
Objective: To use 3-dimensional (3D) facial averages to test the hypothesis that the facial morphologies of 2 European white groups (Slovenia and Wales) have no differences.
Methods: Fifty males an...