搜索结果: 1-14 共查到“医学 Orthodontic appliances”相关记录14条 . 查询时间(0.215 秒)
Microbiologic Changes in Subgingival Plaque After Removal of Fixed Orthodontic Appliances
Periodontopathogens Gingivitis PCR Orthodontic appliance
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2010/3/9
Objective: To evaluate changes that occur in the subgingival microbiota after removal of fixed orthodontic appliances using polymerase chain reaction (PCR).
Materials and Methods: Thirty orthodontic ...
Mechanical Principles And Orthodontic Appliances
Mechanical Principles Orthodontic Appliances
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2009/3/14
Mechanical Principles And Orthodontic Appliances.
The Application of Removable Orthodontic Appliances in Multiband Techniques
Application Removable Orthodontic Appliances Multiband Techniques
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2009/3/11
The Application of Removable Orthodontic Appliances in Multiband Techniques.
Simulated Intraoral Laser Microwelding of Orthodontic Appliances
Simulated Intraoral Laser Microwelding Orthodontic Appliances
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2009/3/9
Simulated Intraoral Laser Microwelding of Orthodontic Appliances.
Orthodontic Appliances and Magnetic Resonance Imaging of the Brain and Temporomandibular Joint
Orthodontic Appliances Magnetic Resonance Brain Temporomandibular Joint
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2009/2/17
Experimental and clinical studies find that orthodontic appliances can produce artifacts in MRI, mostly in the facial region. Removal of removable components, especially archwires, with close chec...
A Severe Reaction to Ni-Containing Orthodontic Appliances
Allergic reaction Nickel allergy Nickel sensitivity Allergic contact dermatitis Orthodontic appliances
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2010/3/5
Exposure to nickel-containing orthodontic appliances may cause intra- or extraoral allergic reactions. Nickel is the most typical antigen implicated in causing allergic contact dermatitis, which is a ...
Type of Archwire and Level of Acidity: Effects on the Release of Metal Ions from Orthodontic Appliances
Metal ions Orthodontic appliances Level of acidity
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2010/3/5
Objective: To examine the effects of three different parameters—pH value, type of archwire, and length of immersion—on release of metal ions from orthodontic appliances.
Materials and Methods: Simu...
In vitro release of nickel and chromium from different types of simulated orthodontic appliances
Nickel Chromium Corrosion Orthodontic appliances
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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...
Salivary Nickel and Chromium in Patients With Fixed Orthodontic Appliances
Nickel Chromium Salivary concentration Fixed orthodontic appliances
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2009/1/4
The purpose of this study was to determine the alterations in the chromium and nickel concentrations in the saliva of orthodontic patients treated with fixed orthodontic appliances. Forty-five ort...
Intrusion of the Overerupted Upper Left First and Second Molars by Mini-implants with Partial-Fixed Orthodontic Appliances: A Case Report
Overerupted molars Intrusion Mini-implants Partial-fixed appliances
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2008/12/15
Overeruption of maxillary molar(s) because of loss of the opposing teeth creates occlusal interference and functional disturbances. To restore proper occlusion, intrusion of the overerupted molars...
Evaluation of the Dental Plaque pH Recovery Effect of a Xylitol Lozenge on Patients with Fixed Orthodontic Appliances
Dental plaque pH Xylitol lozenge Fixed orthodontic therapy Dental caries risk
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2008/12/11
The purpose of this study was to evaluate the influence of a xylitol lozenge on the dental plaque pH profile of fixed orthodontic patients. Twelve volunteers participated in this study. Before the...
Antimicrobial Effectiveness of a Highly Concentrated Chlorhexidine Varnish Treatment in Teenagers with Fixed Orthodontic Appliances
Orthodontic treatment Caries prevention Antibacterial varnish Chlorhexidine Streptococcus mutans
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2008/11/24
Objective: To evaluate the recolonization pattern of Mutans streptococci (ms) on densely colonized teeth with fixed orthodontic appliances after treatment with a highly concentrated (36%) chlorhex...
Efficacy of Ultrasonic, Electric and Manual Toothbrushes in Patients with Fixed Orthodontic Appliances
Electric toothbrushes Fixed orthodontic appliance Oral hygiene Streptococcus mutans
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2008/11/4
Objective: This crossover study compared the efficacy of an ultrasonic toothbrush for the reduction of plaque, gingival inflammation, and levels of Streptococcus mutans, in relation to an electric and...
Impacts on Daily Performances Related to Wearing Orthodontic Appliances
Oral impacts Condition-specific impacts Orthodontic appliance Adolescents
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2008/10/30
Objective: To assess the prevalence, intensity, and extent of the impacts on daily performances related to wearing different types of orthodontic appliances.Materials and Methods: A total of 1657 stud...