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Comparative analysis of self‐cure and dual cure‐dental composites on their physico‐mechanical behaviour

Australian Dental Journal 2023 17 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Jerrin Thadathil Varghese, R. Raju, Paul Farrar, Leon Prentice, B. Gangadhara Prusty

Summary

This paper is not about microplastic pollution. It compares the physical and mechanical properties of self-cure and dual-cure dental composite materials, examining how filler content, resin monomers, and particle size affect hardness, strength, fracture toughness, and degradation of dental restorations.

A linear correlation can be established between surface microhardness (HV) and flexural and compressive moduli, as well as filler content (wt.%). However, both flexural and compressive strengths are impacted by the resin's constituent monomers and the resin-filler matrix's cross-linking capability. Additionally, factors such as filler size, shape, and the cross-linking ability of the resin-filler matrix play a crucial role in fracture toughness and the propagation of cracks within the restoration. Also, resin monomers and filler particle size affect the hydrolytic degradation characteristics of composites, which can also affect their mechanical properties. © 2023 Australian Dental Association.

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