Kyrmanov O. Comparative assessment of modern materials for temporary fixed dentures and their role in prosthetics – Scientific work for obtaining a degree, for prior acquaintance.

During a period of time between the initiation of orthopedic treatment and permanent fixation of the main fixed denture, it is necessary to make temporary dentures that must have high mechanical strength and after their preparation protect teeth from various types of stimuli (temperature, chemical, bacterial invasion, etc.). In recent years, a large number of new materials for manufacturing temporary dentures, which differ in structure and methods of use, have appeared on the dental market. Simultaneously with the improvement of materials for temporary dentures,­ we see a complete revision of the concept of temporary dentures as an interim stage, with the focus on the provision of independent, long-term, and clinically stable ­treatment. Temporary dentures must completely satisfy patient's desires and give them an idea of how the final restoration will look like. First of all, this includes restoration and preservation of functions (aesthetics, phonetics, chewing function, etc.), as well as­ teeth protection and stabilization of parodontium by adjusting proximal and occlusal contacts. Despite the significant progress in the development of new materials for temporary dentures, quality of orthopedic treatment is largely determined by a set of factors associated not only with the patient's health and the doctor's professionalism, but also by the doctor's knowledge of physical and mechanical properties of a particular material for temporary dentures, in particular mechanical strength, crack resistance, shrinkage, water absorption, surface quality, color fastness, etc.