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This article provides an overview of calcium phosphate systems used in  different formulations of cement mixtures. Chemism of reactions that occur in  contact of these systems with water medium shows diversity and specificity of  each of selected types of mixtures. As it can be clearly seen from reactions  that occur between components of cement mixtures, highly active calcium  deficient hydroxyapatite is always an end product in all reactions. This  makes these systems extremely biocompatible and suitable for use in dentistry  from the standpoint of chemical and biological degradability

Chemism of networking and biological functions of different types of phosphate cements