搜索结果: 1-15 共查到“口腔医学 Implants”相关记录37条 . 查询时间(0.046 秒)
吉林大学白求恩口腔医学院周延民教授课题组在口腔种植领域顶级刊物《Clinical Oral Implants Research》发表研究成果（图）
周延民教授 口腔种植领域 吉林大学白求恩口腔医学院
2022/9/7
近日，吉林大学白求恩口腔医学院周延民教授课题组开展的关于上颌后牙严重骨缺损区种植治疗临床试验项目取得新进展，开创了一种新型精准微创上颌窦区植骨种植治疗方法，并于吉林大学白求恩口腔医学院口腔种植科完成了一项单中心随机临床对照试验研究，取得了新术式治疗效果评估。相关成果“Flaplessosteotome-mediated sinus floor elevation using platelet-ri...
Study of corrosion of combinations of titanium/Ti-6Al-4V implants and dental alloys
Implant Dissolution of metal ions Micro-structure of titanium
2010/11/30
Metal ions released in 1% lactic acid solution from combinations of titanium fixtures with superstructures made of dental precious metal alloys (dental alloys) and titanium and differences based on th...
Pitch and Longitudinal Fluting Effects on the Primary Stability of Miniscrew Implants
Miniscrew implants Pitch Fluting Pullout strength Insertion torque
2010/3/9
Objective: To test the hypotheses that pitch and fluting have no effect on the primary stability of miniscrew implants (MSIs).
Materials and Methods: Maximum placement torque and pullout strength of ...
Photoelastic analysis of stress distribution on parallel and angled implants after installation of fixed prostheses
Dental implantation endosseous Prosthesis implantation
2009/10/20
The longevity of implant-supported prosthetic rehabilitation depends largely on how the masticatory forces are transferred to the implants and surrounding bone. Anatomical conditions, bone morphology ...
Characterization of titanium surfaces for dental implants with inorganic contaminant
Titanium Dental implants Aluminum oxide Image processing computer-assisted
2009/10/19
The aim of this research was to characterize titanium surfaces blasted with aluminum oxide (Al2O3) particles using the KS 400 digital image processing program. Samples of grade II titanium plates were...
Length determination of zygomatic implants using tridimensional computed tomography
Atrophy Dental implantation Maxilla Tomography X-ray computed
2009/10/19
Considering the potential of tridimensional computed tomography (3D-CT) as a predictor of real bone dimensions, nine dried human skulls with maxillary edentulism were evaluated using images obtained b...
Evaluation of titanium implants with surface modification by laser beam: biomechanical study in rabbit tibias
Dental implants Lasers Osseointegration
2009/10/16
The purpose of the present study was to evaluate, using a biomechanical test, the force needed to remove implants with surface modification by laser (Nd:YAG) in comparison with implants with machined ...
In vitro evaluation of osteoblastic cell adhesion on machined osseointegrated implants
Titanium Dental implants Osteoblasts Osseointegration Scanning electron microscopy
2009/10/16
At present the major consideration in planning an implant design is to seek biocompatible surfaces that promote a favorable response from both cells and host tissues. Different treatments of implant s...
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.
...
Rotational Resistance of Surface-Treated Mini-Implants
Partial osseointegration Mini-implant Torque value Rotational moment Angular momentum
2010/3/5
Objective: To test the hypothesis that there is no difference in the stability and resistance to rotational moments of early loaded sandblasted and acid-etched (SLA) mini-implants and those of machine...
Mode Superposition Transient Dynamic Analysis for Dental Implants with Stress-absorbing Elements:A Finite Element Analysis
Transient dynamic analysis Dental implants Damping
2009/9/14
The purpose of this study was to analyze the dynamic behavior of a dental implant with a stress-absorbing element, using dynamic analysis. Two model types, stress-absorbing model with a resilient stre...
Hydroxyapatite Film Coating by Thermally Induced Liquid-phase Deposition Method for Titanium Implants
Hydroxyapatite Liquid-phase deposition method Titanium implant
2009/9/14
Thermally induced liquid-phase deposition method was employed to produce a thin hydroxyapatite (HA) film on a titanium substrate in a metastable calcium phosphate solution. Titanium foil of 100×10×0.0...
Nonlinear Stress Analysis of Titanium Implants by Finite Element Method
Finite element method Titanium implant Nonlinear stress analysis
2009/9/11
With use of dental implants on the rise, there is also a tandem increase in the number of implant fracture reports. To the end of investigating the stress occurring in implants, elasticity and plastic...
Application of α-tricalcium phosphate coatings on titanium subperiosteal orthodontic implants reduces the time for absolute anchorage:a study using rabbit femora
Orthodontics Subperiosteal implant α-tricalcium phosphate
2009/9/11
We are currently developing a small perforated titanium subperiosteal implant specifically for orthodontic therapy, which can be placed anywhere on the bone surface. In the present study, we coated th...
Influence of lateral-oblique cyclic loading on abutment screw loosening of internal and external hexagon implants
Screw loosening Preload Abutment screw
2009/9/11
To date, there is no evidence that internal anti-rotation configurations are better than external ones. The purpose of this study was to evaluate the effect of eccentric cyclic loading on abutment scr...