搜索结果: 1-12 共查到“医学 Micro-CT”相关记录12条 . 查询时间(0.109 秒)
评价BS镍钛系统维持根管解剖原始形态的能力。方法 将20个离体牙根按照随机数表法分为两组(n=10)，分别用BS蓝色小旋风(BS组)和WaveOne (WO组)以逐步深入法预备根管。预备后用Micro-CT对各牙进行扫描，Mimics软件测量其近远中根管壁的厚度，计算距根尖 1 mm、3 mm、5 mm、7 mm、9 mm处根管偏移量。
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...
Mineral Concentration of Natural Human Teeth by a Commercial Micro-CT
Micro-computed tomography (micro-CT) teeth mineral concentration
2009/9/14
This study aimed to evaluate a commercial micro-CT system (μCT 20) for quantitative analysis of mineral concentration in human enamel and dentin using different methodologies, and thereby compare the ...
An In Vivo 3D Micro-CT Evaluation of Tooth Movement After the Application of Different Force Magnitudes in Rat Molar
Tooth movement In vivo micro-CT FEM Rat molar Time lapse Superimposition
2010/3/5
Objective: To investigate the precise longitudinal change in the periodontal ligament (PDL) space width and three-dimensional tooth movement with continuous-force magnitudes in living rats.
Materia...
Analysis of Orthodontically Induced Root Resorption Using Micro-Computed Tomography (Micro-CT)
Tooth root resorption Orthodontic treatment Micro-CT Resorption lacuna Demineralization
2010/3/5
Objective: To establish a protocol for assessing orthodontically induced tooth root resorption (OITRR) in human premolars using micro-computed tomography.
Materials and Methods: Ten extracted maxil...
Root resorption of maxillary primary incisors in relation to position of successive permanent incisors by Micro-CT
Bony crypt Dry skulls of Indian children Maxillary primary incisors Micro-CT
2008/11/12
The aim of this study is to elucidate the root resorption of primary incisors in relation to the development of permanent incisors. We observed the maxillas of the dry skulls of Indian children, using...
Three dimensional observation of the occlusal grooves in the maxillary first and second deciduous molars with micro-CT
Maxillary deciduous molar Micro-CT Occlusal grooves
2008/11/11
The purpose of this study was clarify the morphological condition of occlusal grooves in the maxillary first and second deciduous molars with micro-CT. We took photographs of the maxillary deciduous m...
中科院重大项目Micro-CT落户深圳先进院
Micro-CT项目 功能形态
2008/8/11
2008年8月5日，中科院先进技术研究院在深圳组织会议，对中科院深圳先进院中科院生物医学信息与健康工程学重点实验室的中国科学院重大装备项目“用于昆虫/小动物微观结构及仿生学研究的显微CT研发”进行可行性论证。
天津大学姚建铨院士、中山大学陈仲本教授、东南大学万遂人教授、清华大学叶大田教授、哈工大张钦宇教授、中科院计财局装备处吕连清、深圳先进院张元亭教授等作为项目答辩专家组成员出席了会议。先...
Evaluation of mouse gutter shaped root(s) as a quantitative trait using micro-CT
Gutter shaped roots (GSRs) Micro-CT Morphology Mouse Root development
2008/4/17
This study establishes a new measurement method for quantification of mouse gutter shaped root (GSR). To evaluate GSR, we made clear the completion period of root formation by continuous observation f...
Micro-CT observation of rat dental pulp healing after pulpotomy in in vivo study
Calcium hydroxide Formocresol Micro-CT Pulp tissue Pulpotomy
2008/4/16
We report the newly developed Micro-CT, which allows us to observe the individual animal over a long experimental period and to compare changes in pulp tissue in relation to growth and aging without c...
Observations of pulpotomy in rats using in vivo Micro-CT—The changes after treatment of formocresol and calcium hydroxide pulpotomies or CO2 laser irradiation—
Calcium hydroxide CO2 laser, Formocreso Longitudinal changes Pulpotomy R_mCT®
2008/4/16
In general, pulpotomy is evaluated by pathological examination of sacrificed animals at each observing stage. Not only lots of small animals have to devote itself to experimentation, but also the resu...
Stress Distribution in Maxillary Alveolar Ridge According to Finite Element Analysis Using Micro-CT
Maxilla Micro-CT Finite element analysis Stress distribution
2010/1/20
The purpose of the present study was to evaluate stress distribution by finite element analysis in an accurate model simulating trabecular bone using micro-CT. Dentulous and edentulous maxillary jaws ...