The adverse effects of dental restorative materials--a review

Several materials used in dentistry are described as biomaterials. Owing to the intimate contact of these materials with the oral tissues, they should possess a high degree of biocompatibility. However, some materials may exhibit adverse effects, causing both local and general pathological changes, even though the occurrence seems to be relatively low. It is, therefore, the dentist's responsibility to be aware of the potential adverse effects of these materials and to take precautions to protect the patient form such effects. The purpose of this article is to review the potential adverse effects of some commonly used restorative materials, mainly with regard to patients.