Dental Fillings. Composite vs Amalgam. Dental Fillings and Health effects of Silver and Mercury fillings in the teeth.

Plastic is the first choice as a filling material for dental caries tooth decay. According to a guidance from the Health Protection Agency. Guidelines which means that patients' current ability to choose the cheaper silver filling now in many cases disappear. It is however unchanged Board of Health believes that there is no evidence that amalgam fillings pose a health risk. Amalgam (silver fillings) dropped is not completely in the future, where the dentist in special cases can use amalgam, for example if there is a particularly large caries hole or gap in a permanent cheek teeth (molars), where it is obvious that a silver filling will last longer than a composite filling. Plastic fillings cost more than twice what the silver fillings do. For patients there is therefore a greater charge.

About silver fillings

Fewer and fewer have amalgam fillings when they should be treated caries tooth decay. This is good news not only for patients but also for nature. Fewer amalgam means is less environmental impact. Silver is currently only used for large fillings in molars. There have been many media discussions about the use of silver amalgam, and dentists have been encouraged to use alternative materials. There are many scientific studies done, but it has never been proven that amalgam fillings pose a health risk - apart from rare cases of allergy. Amalgam fillings are not used in children's dentistry anymore. The reason for this is that milk teeth are lost and replaced by the permanent dentition. A milk tooth with a filling of silver amalgam may end up in nature and it would be preferable to avoid. An amalgam filling is untied releases virtually no mercury. When an old amalgam filling is to be drilled out will be released a small amount of mercury in the form of dust from drilling, but the vast majority will be caught by the suction as a Dental Assistant user. Among the academic disadvantages of amalgam fillings is that silver fillings after 5-8 years in popular terms "rust" and thereby expands. This can create small cracks in the teeth of large amalgam fillings. This can give pain when chewed, and the tooth has a high risk of breaking. If the crack goes right into the tooth's nerve is needed a root canal. It is recommended that root canal treatment teeth not carry silver amalgam fillings, due to an increased risk that they break. When amalgam is still used is because the silver amalgam example is not as sensitive to moisture such as plastic fillings are, and therefore can be used advantageously in a tooth that is hard to dry out while filling out. And then the "lifetime" of silver amalgam typically longer than the plastic, especially since there easier creation of new caries at the edge of plastic fillings, and because it wears. Plastic fillings must be changed more often, but something nicer to look at than silver.

Pregnancy and Silver Fillings?

Recent studies could not find evidence that maternal amalgam fillings is harmful to the fetus / child during pregnancy and lactation. And the results establishes clear that there seems to be reason for concern about the mercury from dental fillings that are transmitted from mother to fetus / child. Scientists have been able to demonstrate the transmission of small amounts, but in none of the studies they were able to show that the presence of mercury would have a detrimental effect on the fetus / child. Studies also show that a mother's consumption of fish is the single largest source of transfer of mercury from mother to fetus / child during pregnancy and lactation. Fish such as tuna, swordfish and halibut, one should therefore avoid eating in large amounts when you are pregnant and when breastfeeding.

Amalgam reorganization

If you as a patient is upset his silver fillings and would like to have them changed to recommend that they be changed regularly when needed, instead of removing them all at once. Learn where applicable subject to a treatment plan so you know what will happen to your teeth which dental fillings to be done about what should be done when it should be done and what it will cost. But whatever, it's a good idea to have looked his old silver fillings after a regular basis because they may be leaking around the edges. Can you be allergic to amalgam? Yes it can. There has been a few cases of allergic reactions to amalgam, and identified allergy to plastic. Amalgam (silver fillings) typically consists of approx 50% mercury, silver, 20%, 15% tin, 12% copper and zinc slightly. If you are allergic to amalgam, one should obviously not be treated with amalgam.

About Plastic Fillings

While the use of amalgam as a rapidly declining, plastic wins more and more and has now overtaken the number of amalgam fillings. And although there is currently no provision for giving grants to large plastic fillings in back teeth (premolars & molars). Plastic has many qualities, both aesthetic and functional. Plastic "is bound firmly to the tooth" by tooth pretreated with various drugs before the plastic is applied. An advantage of plastic is that it just "glue" the tooth. The plastic is soft when it is placed on the tooth, which occurs in small thin layers. Each layer is cured individually with ultraviolet light (blue). In untying pulls the plastic a little together. The plastic has the characteristic that the tooth will not easily break when it is provided with a plastics filling. Plastics and glues the weak teeth together, and can therefore postpone any crown treatment. Meanwhile, a composite filling white and aesthetically, it is free of mercury, and then reading more gentle.

The plastic does have its limitations in terms of that must be kept completely dry while the plastic filling out the tooth. If not what can be achieved there must exist alternative materials or they may stand provided with a crown, if it is heavily destroyed. There may rarely occur sensitivity (for pain) in the tooth for some time after the charge is laid, but it is in most cases mild symptoms often disappear within a few weeks. If a composite filling is placed under optimal conditions, it is often a long life - typically at least five years. At the same time there will usually be only to lay a new surface layer of (resoling) whose filling is worn, there should not therefore be drilled in the tooth. Cosmetic plastic filling is definitely a good solution where other choices might otherwise be more expensive solutions like porcelain facade or porcelain crown. Plastic is more complicated and time consuming to work with than silver amalgam, and is therefore more expensive. - Click to see the typical costs for plastic fillings >>

On Suspicion of Mercury Poisoning

If poisoning is suspected due to silver fillings should go to the dentist and be examined. Symptoms in patients suspected to have been exposed to mercury poisoning are many and varied. Often, it is already at the dentist found that the genes is caused by something completely different than mercury. Initially, the dentist will conduct a thorough investigation of the genes. And possibly the dentist will subsequently refer to the doctor for further investigation. Whether it would be better once and for all to have exchanged her amalgam fillings with composite fillings would be necessary to depend on the survey results.


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