搜索结果: 1-15 共查到“口腔医学 Shape”相关记录21条 . 查询时间(0.265 秒)
AUTOMATED SHAPE ANALYSIS OF TEETH FROM THE ARCHAELOGICAL SITE OF NERQIN NAVER
Automated Digital Odontometry Photogrammetry Tooth shape analysis Odontometry Odontotomy Nerqin Naver
2018/6/4
Traditional odontometry currently suggests a limited number of measurements on tooth coronal parts, including estimation of mesio-distal and vestibular-oral diameters, or dimension, through usually a ...
Effects of the Taper Shape,Dual-Thread,and Length on the Mechanical Properties of Mini-Implants
Mini-implant Shape Dual-thread Mechanical Torque
2010/3/5
Objective: To analyze the mechanical effects of the length and the various shapes such as cylindrical shape, taper shape, and dual-thread shape on the insertion and removal torque of mini-implants.
...
Shear Bond Strength and FEM of a Resin-modified Glass Ionomer Cement—Effects of Tooth Enamel Shape and Orthodontic Bracket Base Configuration
Resin-modified glass ionomer cement Bond strength FEM
2009/9/14
The objective of this study was to evaluate the influences of enamel shape and bracket base configuration on shear bond strength from a biomechanical point of view. To this end, shear bond test and st...
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...
Superplastic Deformation in Carbonate Apatite Ceramics under Constant Compressive Loading for Near-net-shape Production of Bioresorbable Bone Substitutes
Carbonate apatite Superplasticity Near-net-shape production
2009/9/11
To produce carbonate apatite (CAP) ceramics with the desired complex shapes using superplastic deformation, deformation behavior of CAP ceramics under constant loading as well as physical properties a...
Genetic Factors in the Shape of the Craniofacial Complex
Genetic Factors Craniofacial Complex
2009/3/9
Genetic Factors in the Shape of the Craniofacial Complex.
Genetic and Environmental Influences on the Shape of the Adult Dog Skull
Genetic and Environmental Influences Adult Dog Skull
2009/3/9
Taken in part from a doctoral thesis, Department of Anatomy, Queen's University, Belfast, Northern Ireland. Supported by a research grant from the Northern Ireland Hospitals' authority. Presently ...
Shape of the craniofacial complex in patients with Klinefelter syndrome
Craniofacial dimensions Klinefelter syndrome Sex chromosomes
2009/1/12
The shape and size of the craniofacial complex in 35 adults with Klinefelter syndrome (47,XXY) were analyzed cephalometrically and compared with 60 control males. Twenty-four angular and 18 linear...
Clinicians have long suspected that tongue shape differs between obstructive sleep apnea (OSA) patients and normal subjects. The purpose of this study was to determine whether such differences exist...
Maxillary Arch Size and Shape in American Blacks and Whites
Arch size Arch form Ethnic differences Sex differences
2008/12/26
American blacks have larger teeth than whites, but they less frequently exhibit crowding—apparently because of larger arch dimensions. This study quantified differences in arch size and shape in t...
Assessment of Root Resorption and Root Shape：Periapical vs Panoramic Films
Radiographic examination Diagnosis and treatment planning Risk factors Root resorption
2008/12/26
A radiographic examination is an essential part of the diagnostic process in orthodontics. However, what radiographs are needed to properly evaluate root shape and position? Most clinicians order ...
Three Dimensional Analysis of Facial Movement in Normal Adults：Influence of Sex and Facial Shape
Three-dimension Facial movement Sex difference Facial shape
2008/12/26
The aim of this study was to quantify facial movements in a sample of normal adults and to investigate the influence of sex and facial shape on these movements. The study sample consisted of 50 he...
Crown-Root Shape of the Permanent Maxillary Central Incisor
Incisor shape Malocclusion Cephalometry Morphometry
2008/12/23
This study aimed to determine whether the lateral cephalometric crown-root shape differs among the permanent maxillary central incisor in Class I, Class II division 1, Class II division 2 and Clas...
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...