Correlation between hardness and degree of conversion during the setting reaction of unfilled dental restorative resins

Jack L. Ferracane

doi:10.1016/S0109-5641(85)80058-0

Correlation between hardness and degree of conversion during the setting reaction of unfilled dental restorative resins

Jack L. Ferracane

Research output: Contribution to journal › Article › peer-review

469 Scopus citations

Abstract

Knoop hardness was correlated to degree of conversion (DC) of carbon double bonds, determined by IR, during the setting reaction of three unfilled dental resins. For a specific resin, increase in hardness correlates well with increases in DC during setting. However, an absolute hardness number cannot be used to predict a DC when comparing different resins. The two techniques for determining extent of cure in dental resins cannot always be used interchangeably, since each is sensitive to different variables.

Original language	English (US)
Pages (from-to)	11-14
Number of pages	4
Journal	Dental Materials
Volume	1
Issue number	1
DOIs	https://doi.org/10.1016/S0109-5641(85)80058-0
State	Published - Feb 1985
Externally published	Yes

Keywords

composites
degree of conversion
extent of cure
hardness
resins

ASJC Scopus subject areas

Materials Science(all)
Dentistry(all)
Mechanics of Materials

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AB - Knoop hardness was correlated to degree of conversion (DC) of carbon double bonds, determined by IR, during the setting reaction of three unfilled dental resins. For a specific resin, increase in hardness correlates well with increases in DC during setting. However, an absolute hardness number cannot be used to predict a DC when comparing different resins. The two techniques for determining extent of cure in dental resins cannot always be used interchangeably, since each is sensitive to different variables.

KW - composites

KW - degree of conversion

KW - extent of cure

KW - hardness

KW - resins

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Correlation between hardness and degree of conversion during the setting reaction of unfilled dental restorative resins

Abstract

Keywords

ASJC Scopus subject areas

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