Abstract
The mineralized structures of tooth i.e., enamel & dentin protect the pulp tissue which plays an important role in maintaining the sensibility & immune response to the tooth injury as well as in dentin formation. Bioactive materials are very crucial part of modern dentistry as they stimulate the osseous tissue deposition and also have the ability to remineralize the hard tooth tissues. These materials interact biologically with the surrounding tissues and hence found to be advantageous in restorative dentistry. These materials directly act on vital tissue, cause induction of various growth factors and different cells & help in its healing and repair. Bioactive materials utilize the novel approach to restore the tooth structure by biologically based procedures designed to replace damaged structures such as dentin, root structures & cells of pulp-dentin complex.A bioactive material is one that forms a surface layer of an apatite-like material in the presence of an inorganic phosphate solution. They promote pulpal and periapical healing because of their biocompatibility and bioactive properties, thereby improve the prognosis for endodontic treatments. This article describes various bioactive materials that can be used in restorative dentistry along with their mechanism of action.
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