The First Step in Standardizing an Artificial Aging Protocol for Dental Composites-Evaluation of Basic Protocols

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2022 Jun 10

PMID 35684448

Authors

Agata Szczesio-Wlodarczyk

Magdalena Fronczek

Katarzyna Ranoszek-Soliwoda

Jaroslaw Grobelny

Jerzy Sokolowski

Kinga Bociong

Affiliations

Soon will be listed here.

Abstract

The clinical performance of a dental restoration is strongly influenced by the complex and dynamically-changing oral environment; however, no standard procedure exists to evaluate this lifetime. This research provides an in-depth analysis of the effect of different aging procedures on the flexural strength (FS), diametral tensile strength (DTS) and hardness (HV) of selected dental materials (Resin F, Flow-Art and Arkon). Material structure was evaluated by scanning electron microscopy. It was found that each aging protocol had some influence on the tested properties, with continual erosion and degradation being observed. Greater mechanical degradation was observed for Resin F (neat resin) after the applied aging protocols, suggesting that a resin matrix is more susceptible for degradation. The most aggressive aging protocol was Protocol 5: 0.1 M NaOH, seven days, 60 °C. Further studies on the effect of artificial aging on dental materials should include a study of the thermal and chemical factors. A standardized aging procedure is crucial for improving the resistance of dental resin composite to oral conditions and their clinical performance.

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