03-27-2008, 02:50 AM
As the wikipedia article points out, the position that they are a health concern is only a minority position, and over a period of over 150 years has only had a few studies show any indication of a problem. In most cases there are multiple studies showing the opposite.
As for failing, yes composites can normally fail that often. No need for there to have been any improper procedure by the dentist who put them in. There have been improvements in the materials used, but even now for other than smaller restorations of back teeth, composites are mostly recommended for front teeth. How long they last is dependent on their size, location and how a person chews.
As for failing, yes composites can normally fail that often. No need for there to have been any improper procedure by the dentist who put them in. There have been improvements in the materials used, but even now for other than smaller restorations of back teeth, composites are mostly recommended for front teeth. How long they last is dependent on their size, location and how a person chews.