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What is fluoride? What are the benefits of fluoride?
Where can I find fluoride? Is there enough fluoride in my water supply?
What about fluoride toothpaste? Should people have extra fluoride?
What are the side effects? What is fluorosis?
Is fluoride safe?
What is fluoride?
Fluoride is a natural mineral that is found in many foods and in all drinking water. The amount of Fluoride in the water varies from area to area.
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What are the benefits of fluoride?
Fluoride can greatly help dental health by strengthening the tooth enamel, making it more resistant to tooth decay. It also reduces the amount of acid that the bacteria on your teeth produce. Children who have fluoride when their teeth are developing tend to have shallower grooves in their teeth so plaque can be more easily removed. Plaque is a thin, sticky film of bacteria that constantly forms on your teeth. The addition of fluoride to water has been researched for over 50 years and water fluoridation has been proven to reduce decay by 40-60%.
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Where can I find fluoride?
Fluoride is found naturally in many foods and water supplies, and is also added to some drinking water supplies. One part of fluoride for every million parts of water (1 ppm) has bee shown to have the best effect. All water contains some fluoride. Your local water supplier can tell you the level of fluoride in your drinking water.
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Is there enough fluoride in my water supply?
Possibly. However, only a few places (Hartlepool in the North East of England , and parts of Essex) have enough natural fluoride to benefit dental health. Elsewhere it is added to only around 10% of the UK population's water supply - mainly in the West Midlands and the North East. Your water supplier will be able to tell you whether your water supply is fluoridated. The amount of fluoride in the water will vary depending on which area you live in. Fluoride is also naturally present in foods and drinks such as fish and tea, and some countries add fluoride to their table salt and milk instead of fluoridating the water supplies. One cup of tea can contain between 0.3mg and 0.5mg of fluoride, and if you drink it with milk your teeth will also benefit from the calcium. It is best to drink tea without sugar to reduce the risk of dental decay further.
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What about fluoride toothpaste?
Most toothpastes now contain fluoride, and most people get their fluoride this way. Fluoride toothpaste is very effective in preventing tooth decay. The amount of fluoride in toothpaste is usually enough to lessen the level of decay. In areas where the water supply is fluoridated, fluoride toothpaste gives extra protection. All children up to three years old, should use a toothpaste with a fluoride level of at least 1000ppm (parts per million). After three years old, they should use a toothpaste that contains 1350ppm-1500ppm. Parents should supervise their children's tooth brushing, and use only a pea-sized smear of fluoride toothpaste until they are about 7 years old.
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Should people have extra fluoride?
Children living in poorer areas where the water supplies are not fluoridated can have 5 times more decay than children living in better-off or fluoridated areas. Research suggests that adding fluoride to the water is the best way of reducing these 'dental inequalities'. Your dentist or dental hygienist can apply fluoride to your teeth. These come as gels and are more concentrated than self-applied fluorides, and therefore are not needed as often. Some adults can benefit from these application. Fluoride gels can help to reduce root decay - especially in people with dry mouth. Some people are more prone to tooth decay and the dentist may also advise using fluoride supplements as well as fluoride toothpaste for extra protection. It is very important that fluoride supplements are only taken on the advice of a dentist, and that they are used in the way they say. Supplements are suitable for children from about 3 onwards and can help reduce decay.
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What are the side effects?
Dental fluorosis? is caused by having too much fluoride when the teeth are developing. This can ahppen when fluoride supplements are taken by children under 7 who live in areas where the water supply is fluoridated. It can also happen when children swallow toothpaste.
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What is fluorosis?
In its mildest form, dental fluorosis appears as very fine pearly white lines or flecking on the surface of the teeth. This mild fluorosis can often only be spotted by a dental expert. Severe fluorosis may lead to the enamel being pitted and discoloured. Fortunately, severe fluorosis is rare in the UK.
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Is fluoride safe?
Many reports have been published throughout the world about the pros and cons of fluoride. After many years the scientific conclusion is that fluoride toothpaste and correctly fluoridated water, salt and milk are of great benefit to dental health and help to reduce decay, and cause no harmful side effects to general health. Recent studies carried out for the government by York University and the Medical Research Council have failed to find any evidence that fluoride added to water causes harmful side effects. Opponents of fluoridation claim they have firm evidence that fluoride added to water is harmful. However, scientific analysis has not supported their claims. Worldwide, over 300 million people drink fluoridated water supplies. Many millions more regularly use fluoridated toothpaste. In America for example, well over half of the population have fluoridated water supplies. This has led to improved levels of dental health which in turn benefits general health.
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