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  11. The Nanomechanical Performance And Water Uptake Of A Flowable Short Fiber Composite: The Influence Of Bulk And Layering Restorative Techniques

The Nanomechanical Performance and Water Uptake of a Flowable Short Fiber Composite: The Influence of Bulk and Layering Restorative Techniques

Tamás Tarjányi1,2, András Gábor Jakab3, Márton Sámi4

  • 1Department of Medical Physics and Informatics, University of Szeged, 6720 Szeged, Hungary.

Polymers
|June 13, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Bulk-applied short-fiber-reinforced composite (SFRC) shows promising nanomechanical properties and low water absorption. This indicates its potential as a standalone dental restorative material.

Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Nanotechnology in Dentistry

Background:

  • Flowable short-fiber-reinforced composites (SFRC) are emerging materials for dental restorations.
  • Evaluating their performance as standalone materials requires understanding their nanomechanical properties and water interaction.

Purpose of the Study:

  • To assess the nanomechanical surface properties and water uptake of SFRC when used with different restorative techniques.
  • To determine the potential of SFRC as a standalone restorative material.

Main Methods:

  • Three resin composites, including a flowable SFRC, were tested using various techniques (layered, bulk-fill).
  • Nanoindentation and compressive creep tests evaluated surface properties and material response to stress.
  • Water uptake was measured over 30 days.
Keywords:
bulk-fill techniquecreep resistancenanoindentationnanomechanical properties

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Main Results:

  • Bulk-applied SFRC exhibited the lowest water absorption compared to other groups.
  • Significant differences in hardness were observed, with bulk particulate filler composite (PFC) showing the lowest values.
  • Creep testing revealed changes in modulus and viscosity after water storage.

Conclusions:

  • Bulk-applied SFRC demonstrates favorable nanomechanical properties and reduced water uptake.
  • SFRC shows significant potential as a standalone restorative material in dentistry.
  • Further clinical studies are recommended to confirm long-term efficacy.
restorative dentistry
short-fiber-reinforced composite
water uptake