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Related Experiment Video

Updated: May 20, 2026

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

Resin-based composite performance: are there some things we can't predict?

Jack L Ferracane¹

¹Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, Oregon Health & Science University, Portland, OR 97239, USA. ferracan@ohsu.edu

Dental Materials : Official Publication of the Academy of Dental Materials

|July 20, 2012

Summary

This summary is machine-generated.

Predicting dental composite restoration success is challenging. While some lab tests correlate with clinical wear and fracture, overall performance is multifactorial, making accurate prediction difficult.

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Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

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Published on: June 30, 2023

Area of Science:

Dental Materials Science
Biomaterials Engineering
Clinical Dentistry

Background:

Direct dental composite restorations are widely used but prone to clinical failure.
Understanding failure modes is crucial for improving material longevity and patient outcomes.

Purpose of the Study:

To investigate the reasons for clinical failure of direct dental composite restorations.
To identify appropriate laboratory tests for predicting clinical performance.
To determine the correlation between in vitro testing and clinical outcomes of dental composites.

Main Methods:

A comprehensive literature review was conducted on the clinical and laboratory performance of dental composite restorative materials.
Failure analysis guided the selection of material properties most likely to influence clinical success.

Main Results:

Limited studies show direct correlation between laboratory tests and clinical performance of dental composites.
Clinical wear correlates with flexure strength, fracture toughness, and degree of conversion.
Marginal breakdown is linked to fracture toughness, while fatigue resistance is expected to influence fracture and wear.

Conclusions:

Clinical trials for new dental composites are costly and time-consuming.
While some correlations exist, the multifactorial nature of clinical success makes accurate prediction by in vitro tests unlikely.
A single or battery of in vitro tests cannot fully predict the overall clinical success of dental composites.