Abstract

The most common manifestation of a complication in the treatment of patients with fixed denture structures is a violation of fixation. An orthopedic dentist places high demands on fixing cements and most refuse zinc-phosphate cements, preferring materials of a different class. Zinc-phosphate cements are one of the first representatives of fixing materials in the history of dental prosthetics and their formulation, accordingly, is undergoing constant modernization. After the introduction of certain modifications, as a result, the properties are improved. The physicomechanical properties of zinc-phosphate cements used today as fixing materials for fixed structures of dentures in a comparative aspect have been studied. The importance of our research is dictated by the paramount importance of the studied properties. The materials of domestic production were used in the work - "NeoDent" LLC "Celit" Voronezh, "VISCIN" LLC "Raduga-R" Voronezh and a foreign representative of zinc-phosphate cement "Adhedor" SpofaDental, Czech Republic. The research methods included the measurement of compressive strength, the thickness of the cement film and the determination of the net hardening time.

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