Measuring the residual stress in dental composites using a ring slitting method

Jeong Won Park, Jack Ferracane

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Objectives. The objective of this experiment was to employ the ring slitting method for the measurement of the residual stress (RS) produced in dental composite materials after polymerization. This study was designed to determine the effect of slitting and measuring time on the residual stress. Methods. Rings were made in a split brass mold from three composites (Z100/3MESPE; Herculite/Kerr; Heliomolar/Ivoclar) and cured in a Triad II (Dentsply). Two points were scribed, and the rings were slit at either 1 h (Early-group) or 24 h (Delayed-group) after curing the composite. The change in the distance between the scribed points was measured using an image analyzer system at both 1 and 24 h after slitting. From the measured change, circumferential RS was calculated and statistically analyzed with ANOVA/Tukey's (P

Original languageEnglish (US)
Pages (from-to)882-889
Number of pages8
JournalDental Materials
Volume21
Issue number9
DOIs
StatePublished - Sep 2005

Fingerprint

Dental composites
Slitting
Residual stresses
Tooth
Dental Materials
Composite materials
Polymerization
Dental materials
Analysis of Variance
Fungi
Brass
Analysis of variance (ANOVA)
Curing
Experiments
Heliomolar
CMW cement
brass
inzoma

Keywords

  • Degree of conversion
  • Dental composite
  • Elastic modulus
  • Residual stress
  • Ring slitting method

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Measuring the residual stress in dental composites using a ring slitting method. / Park, Jeong Won; Ferracane, Jack.

In: Dental Materials, Vol. 21, No. 9, 09.2005, p. 882-889.

Research output: Contribution to journalArticle

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