搜索结果: 1-15 共查到“口腔医学 Three-dimensional”相关记录41条 . 查询时间(0.205 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...
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 ...
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 ...
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...
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...
Influence of Dental Alloys and an All-Ceramic Material on Cell Viability and Interleukin-1beta Release in a Three-Dimensional Cell Culture Model
Cell viability MTT IL-1 (b) Dental alloys Three-dimensional cell culture
2009/6/22
The purpose of this study was to determine the influence of various types of dental casting alloys and ceramic upon cell viability and the synthesis of IL-1beta (b) in a three-dimensional cell culture...
Overjet at the Anterior and Posterior Segments: Three-Dimensional Analysis of Arch Coordination
Overjet Arch coordination Facial axis point Bracket slot center point
2010/3/5
Objectives: To compare the amounts of anatomical overjet measured from facial axis (FA) points with the amounts of bracket overjet measured from bracket slot center (BSC) points.
Materials and Meth...
A Novel Method for the Assessment of Three-Dimensional Tooth Movement during Orthodontic Treatment
Palatal rugae Superimposition Miniscrew Stability Dental cast Landmark
2010/3/5
Objective: To (1) evaluate the stability of palatal rugae as landmarks for superimposition of dental casts and (2) establish a three-dimensional superimposition method of maxillary dental casts for an...
Three-dimensional Changes of the Mandible and Alveolar Bone in the Ovariectomized Rat Examined by Micro-focus Computed Tomography
alveolar bone micro-focus computed tomography (μCT) three dimension (3D) osteoporosis ovariectomy
2009/5/27
To clarify the changes of the mandible and alveolar bone in postmenopausal osteoporosis, we examined the changes of structure in mandible and alveolar bone of ovariectomized (OVX) rats. Twelve female ...
Evaluation of Alveolar Bone Regeneration Using Small Three-dimensional Image Analysis of Computed TomographyFindings After Periodontal Regenerative Therapy : A Case Report
small X-ray computed tomography for dentistry guided tissue regeneration Emdogain® gel aggressive periodontitis alveolar bone regeneration
2009/5/27
Small three-dimensional (3D) image analysis of computed tomography findings (3DX®) can be used in dentistry to evaluate alveolar bone defects using 3D digital images with a width in the range of 4...