Analysis of Wear Resistance of Temporary Filling Materials
Temporary tooth fillings are applied for 14 days, on average. If the integrity of the filling is violated, it disintegrates, and a space is formed between the temporary filling and the tooth tissues. This results in a recontamination of the root canal content, because the filling material for permanent obturation of root canals cannot provide hermeticity in the absence of isolation from the mouth fluid of the dental crown. Reinfection of the root canals before making a permanent restoration worsens the prognosis of treatment. The aim of the study is to determine the degree of wear resistance of temporary filling materials under conditions simulating the environment of the oral cavity, depending on the influence of a mechanical factor. Five groups of temporary filling materials were selected, divided into two subgroups according to the impact of the mechanical factor. The samples were successively immersed in a thermostat with purified water and 2 % methylene blue solution for 14 days. Before and after the laboratory test, the samples were weighed and scanned using an intraoral scanner. As a result, different degrees of wear resistance of the temporary seals were established. The study made it possible to establish various degrees of wear resistance in temporary fillings.
Konnova K.A., Dorofeev A.E., Shakarianc A.A., Avdeenko O.E., Konnov S.V. 2025. Analysis of Wear Resistance of Temporary Filling Materials. Challenges in Modern Medicine, 48(4): 484–492 (in Russian). DOI: 10.52575/2687-0940-2025-48-4-484-492. EDN: OAVRTV
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