搜索结果: 1-15 共查到“口腔正畸学 In vitro”相关记录23条 . 查询时间(0.108 秒)
Streptococcus mutans-induced secondary caries adjacent to glass ionomer cement,composite resin and amalgam restorations in vitro
Dental caries Streptococcus mutans Dental materials
2009/10/19
The aim of this study was to define, in vitro, the potential to inhibit secondary caries of restorative materials currently used in dental practice. Standard cavities were prepared on the buccal and l...
In vitro evaluation of marginal leakage in bonded restorations,with mechanical or chemical-mechanical (Carisolv) removal of carious tissue
Dental leakage Dental caries Dental restoration permanent
2009/10/19
This study carried out an in vitro evaluation and comparison of the occurrence of marginal leakage in bonded restorations using mechanical or chemical-mechanical (Carisolv) removal of carious tissue. ...
In vitro evaluation of the effect of natural orange juices on dentin morphology
Dentin sensitivity Diet Smear layer
2009/10/16
The patient's diet has been considered an important etiological factor of dentin hypersensitivity. The frequent ingestion of acidic substances can promote the loss of dental structure or remove the sm...
Microbial Adhesion on Different Bracket Types in vitro
Orthodontic bracket Orthodontic appliance design Microbiology, Dental plaque
2010/3/5
Objective: To test the hypothesis that there are differences in total bacterial counts and capacity for biofilm formation between seven different bracket types.
Material and Methods: By means of an...
In Vitro Antibacterial and Cytotoxicity Assessments of an Orthodontic Bonding Agent Containing Benzalkonium Chloride
4-META/MMA-TBB resin Benzalkonium chloride Antibacterial activity Cytotoxicity
2010/3/5
Objective: To assess the antibacterial activity and cytotoxicity of an orthodontic bonding material containing an antibacterial agent.
Materials and Methods: Superbond C&B (4-methacryloxyethyl trim...
An In Vitro Study of Cement Retention as Related to Orthodontics
Cement Retention Orthodontics
2009/3/9
An In Vitro Study of Cement Retention as Related to Orthodontics.
In vitro release of nickel and chromium from different types of simulated orthodontic appliances
Nickel Chromium Corrosion Orthodontic appliances
2009/1/12
Five identical samples, each consisting of a fixed appliance, a headgear and a quad-helix for one-half of a dental arch, were immersed in 0.9% sodium chloride for 2 hours, 24 hours and 7 days. A con...
Comparison of bracket debonding force between two conventional resin adhesives and a resin-reinforced glass ionomer cement：An in vitro and in vivo study
Bond strength Composite resins Glass ionomer cement
2009/1/7
The purpose of this study was to compare the debonding force of orthodontic brackets bonded with two conventional resin adhesives (Resilience L3 and Light Bond) and a resin-reinforced glass ionome...
Orthodontic In Vivo Bond Strength: Comparison with In Vitro Results
In vivo debonding device Universal testing machine Shear bond strength
2008/12/26
The purpose of the present study was to test a new in vivo debonding device and compare in vivo bond strengths recorded by this device with in vitro bond strengths recorded by a universal testing ma...
In Vitro Evaluation of a Moisture-Active Adhesive for Indirect Bonding
Indirect bonding Cyanoacrylate Bond strength In vitro
2008/12/23
The aim of this in vitro investigation was to evaluate bond strength for a cyanoacrylate adhesive in combination with an indirect bonding technique. Eighty bovine permanent mandibular incisors wer...
Effects of Thermocycling on the Bond Strength of a Resin-Modified Glass Ionomer Cement：An In Vitro Comparative Study
Shear bond strength Thermally induced stress Bonding adhesives.
2008/12/23
This study investigated the effects of thermally induced stresses (thermocycling) on the shear bond strength of resin-modified, chemically cured, glass ionomer cement for use as an orthodontic bon...
In Vitro Investigation of Indirect Bonding with a Hydrophilic Primer
Indirect bonding Hydrophilic primer Bond strength In vitro
2008/12/19
The aim of this in vitro investigation was to evaluate bond strength for a custom base indirect bonding technique using a hydrophilic primer on moisture-contaminated tooth surfaces. Stainless steel ...
The Effect of Argon Laser Irradiation on Demineralization Resistance of Human Enamel Adjacent to Orthodontic Brackets: An In Vitro Study
Argon laser curing system White spot lesions Demineralization resistance Demineralization lesion depth
2008/12/19
Argon lasers, because of their significant timesavings over conventional curing lights, have been investigated for use in bonding orthodontic brackets. They are also being investigated for their abi...
In Vitro Evaluation of Shear Bond Strengths and In Vivo Analysis of Bond Survival of Indirect-Bonding Resins
Indirect bonding Shear bond strength In vivo bond survival
2008/12/12
In this study we evaluate the shear bond strengths (SBS) of indirect-bonding systems available on the market. For the in vitro study, 60 extracted premolars were divided into three groups. In indi...
An In Vitro Study Simulating Effects of Daily Diet and Patient Elastic Band Change Compliance on Orthodontic Latex Elastics
Degradation Food Exposure Elastomer Polymer
2008/12/11
This project investigated the effects of food exposure and patient compliance with elastic-band change on the degradation of forces in 3/16–inch, medium-wall, latex elastic bands during a simulate...