搜索结果: 1-15 共查到“口腔医学 Time”相关记录24条 . 查询时间(0.319 秒)
Influence of post-bleaching time intervals on dentin bond strength
Tooth bleaching Dentin-bonding agents
2009/10/20
It has been reported that bond strength of resin to tooth structure can be reduced when the bonding procedure is carried out immediately after the bleaching treatment. This study evaluated the effect ...
Polymerization time for a microwave-cured acrylic resin with multiple flasks
Acrylic resins Microwaves Polymers Porosity
2009/10/20
This study aimed at establishing the polymerization time of a microwave-cured acrylic resin (AcronTM MC), simultaneously processing 2, 4, and 6 flasks. Required time was measured according to the para...
Microscopic qualitative evaluation of fixation time and decalcification media in rat maxillary periodontium
Histology Periodontium Dental research
2009/10/19
The rat model is widely used in periodontal research and the quality of histological sections is essential. The purpose of this study was to evaluate the histological characteristics of periodontal ti...
Comparison of the time required for removal of intraradicular cast posts using two Brazilian ultrasound devices
Post and core technique Endodontics Ultrasonics
2009/10/16
The aim of this in vitro study was to compare the time required for removal of intraradicular cast posts cemented with zinc phosphate (ZF) or glass ionomer cement (GIC), using two Brazilian ultrasound...
Global Gene Expression Analyses of Mouse Fibroblast L929 Cells Exposed to IC50 MMA by DNA Microarray and Confirmation of Four Detoxification Genes' Expression by Real-time PCR
MMA cDNA microarray Gene expression
2009/9/14
Methyl methacrylate (MMA) is the main component of methyl methacrylic resin, which is widely used in dentistry. Previous studies have investigated whether MMA has any adverse effects on growth and gen...
Influence of Irradiation Time on Volumetric Shrinkage and Flexural Properties of Flowable Resins
Flowable resin Volumetric shrinkage Flexural strength
2009/9/14
The purpose of this study was to evaluate the influence of irradiation time on volumetric change and flexural properties of flowable resins. Four commercially available flowable resins were employed. ...
Effect of Light Irradiation Time on the Mechanical Properties of Two Flowable Composites with Different Initiation Systems in Bonded and Unbonded Cavities
Flowable composite Mechanical properties Bonding
2009/9/14
The aim of this study was to evaluate the regional mechanical properties of flowable composites with different initiation systems under free and constrained conditions. Forty cavities fabricated in re...
The Effects of Light Intensity and Light-curing Time on the Degree of Polymerization of Dental Composite Resins
Light intensity Light-curing time Polymerization
2009/9/11
The aim of this study was to investigate the effects of light intensity and light-curing time on the polymerization of composite resins. Four composite resins were light-cured with different light-cur...
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...
Effects of application time and agitation for bonding orthodontic brackets with two self-etching primer systems
Self-etching primer Shear bond strength Agitation Application time
2009/9/11
The purpose of this study was to evaluate the shear bond strength, adhesive remnant index (ARI) and etching effect of two self-etching systems (Transbond Plus, Beauty Ortho Bond) at different applicat...
Orthodontic Time in 1937–38 Dental Curriculums
Orthodontic Time 1937–38 Dental Curriculums
2009/3/18
Orthodontic Time in 1937–38 Dental Curriculums.
Guiding Alveolar Growth and Eruption of Teeth To Reduce Treatment Time and Produce A More Balanced Denture and Face
Guiding Alveolar Growth Teeth Reduce Treatment Time
2009/3/17
Guiding Alveolar Growth and Eruption of Teeth To Reduce Treatment Time and Produce A More Balanced Denture and Face.
The Relationship between Digital Model Accuracy and Time-Dependent Deformation of Alginate Impressions
Digital model Alginate impression 3Shape
2010/3/5
Objectives: To investigate the effects of different storage periods of alginate impressions on digital model accuracy.
Materials and Methods: A total of 105 impressions were taken from a master mod...
Polymerization with the Argon Laser：Curing Time and Shear Bond Strength
Argon laser Orthodontic bonding Shear bond strength
2008/12/29
The objective of this study was to determine the efficiency of an argon laser in polymerizing a light-cured orthodontic adhesive. Metal brackets were bonded to 185 premolars, divided into 5 differ...
Effect of Time on Bond Strength in Indirect Bonding
Debonding time Transfer tray removal Indirect bonding Bond strength In vitro
2008/12/11
The purpose of this in vitro investigation was to determine the influence of a reduced time interval before debonding on shear bond strength of stainless steel brackets bonded with a custom base i...