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Archive for May 2014

Filling replacement

Amalgam or silver fillings have been used in dentistry for many years. They tend to last a long time but like any restoration, they do have a life span. How long they last depends on how well they were originally placed, whether or not tooth clenching or grinding occurs, susceptibility to dental decay and a variety of other factors. We often find old silver fillings have decay underneath or are fractured. It is at this point that they would need to be replaced. If not, the decay under the filling or the compromised filling itself may lead to more serious problems.

Very often we replace worn silver fillings with composite resin; a tooth coloured filling material. Composites resins are virtually undetectable to the naked eye, very strong and are chemically-bonded to tooth structure-a significant advantage over silver fillings. They are technique sensitive: if placed in a moisture free environment they can serve the patient well for many years.

The first photo shows a fractured silver filling that needs replacement. The middle photo is typical of what we see when we remove a silver filling. There is decay under the filling and some staining as well. The final photo shows the tooth restored with composite resin.

If you have any questions regarding replacement of your worn silver fillings, please do not hesitate to ask us at your next visit!

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