منابع مشابه
Rf Radiation— Facts and Fallacies
THE DEBATE OVER POSSIBLE ADVERSE HEALTH EFFECTS FOLLOWING exposure to electromagnetic radiation (EMR) is very controversial and very much to the fore in Australia today. The Sir Harry Gibbs Inquiry into Community Needs and High Voltage Transmission Line Development in New South Wales and the debate on siting of the Richmond/Brunswick power line in Victoria have received a great deal of media at...
متن کاملRadiation: facts, fallacies and phobias.
There is frequent debate in the media and the scientific published reports about the use of radiation for diagnosis and treatment, the benefits and risks of the nuclear industry, uranium mining and the storage of radioactive wastes. Driving this debate is increasing concern about reliance on fossil fuels for power generation for which alternatives are required. Unfortunately, there is generally...
متن کاملTooth whitening in children.
Although there are several case reports of vital tooth bleaching in children, there is limited clinical trial evidence of the safety or efficacy of this practice. Accordingly, a new clinical trial was conducted to evaluate the effects of 2 different bleaching systems, a 6.5% hydrogen peroxide strip system and a 10% carbamide peroxide tray system, in a population of preteens and teens. A total o...
متن کاملTooth whitening: concepts and controversies.
Today's society dictates that it is the norm for people to have straight, white teeth. The demand therefore for tooth whitening in dental practice has increased exponentially over the last decade. A common approach to achieving this goal is by bleaching. This article discusses clinical aspects of dental bleaching by providing an evidence-based review of current literature. Topics covered includ...
متن کاملAggregation and Inference: Facts and Fallacies
This paper examines inference and aggregation problems that can ariee in multilevel relational database systems and points out some fallaciee in our thinking about these problems that may hinder real progrees from being made toward their solution. Although others have done come initial research toward solving inference problems, aggregation has been treated only superficially in the literature....
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ژورنال
عنوان ژورنال: British Dental Journal
سال: 2005
ISSN: 0007-0610,1476-5373
DOI: 10.1038/sj.bdj.4812298