Influence of dental resin material composition on cross-polarization- optical coherence tomography imaging

Carmen Lammeier, Yuping Li, Scott A Lunos, Alex Fok, Joel D Rudney, Robert S Jones

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17 Citations (Scopus)

Abstract

The purpose of this study was to investigate cross-polarization-optical coherence tomography (CP-OCT) signal attenuation through different resin material compositions. Four distinct composite systems were used: Filtek supreme ultra (FSU) (3M ESPE), IPS empress direct (EMD) (Ivoclar Vivadent), estelite sigma quick (SQK) (Tokuyama Dental), and Z100 (3M ESPE). Cross-sectional images of different composite-demineralized phantoms (n = 108) were collected using a 1310-nm intraoral cross-polarization swept source OCT (CP-OCT) imaging system. %T quantified the CP-OCT signal attenuation. Scanning electron microscopy, transmission electron microscopy, and energy-dispersive x-ray spectrometer chemical analysis was utilized to determine how different matrix/filler compositions affected attenuation of the near infrared (NIR) signal. CP-OCT imaging of dental resin composites showed enormous variation in signal attenuation. For each of our composite systems, there was not a consistent attenuation difference in the NIR signal for A to D shades. The four composites had similar measured backscattering values but attenuated the overall signal to different degrees. When comparing the A2 shades between the four different composite systems, the order of highest to lowest of %T was EMD > Z100, FSU > SQK (ANOVA, Tukey, p < 0.0001). As a result, we demonstrate the importance of understanding how the constituents of composite materials affect CP-OCT signal attenuation.

Original languageEnglish (US)
Article number106002
JournalJournal of Biomedical Optics
Volume17
Issue number10
DOIs
StatePublished - Oct 1 2012

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Synthetic Resins
Optical tomography
cross polarization
resins
Resins
tomography
Polarization
Imaging techniques
attenuation
composite materials
Large scale systems
Chemical analysis
shades
Composite materials
Infrared radiation
Backscattering
Analysis of variance (ANOVA)
x ray spectrometers
Imaging systems
Spectrometers

Keywords

  • Materials
  • Medical imaging
  • Medicine
  • Optical properties
  • Particle sizing
  • Polarization

Cite this

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title = "Influence of dental resin material composition on cross-polarization- optical coherence tomography imaging",
abstract = "The purpose of this study was to investigate cross-polarization-optical coherence tomography (CP-OCT) signal attenuation through different resin material compositions. Four distinct composite systems were used: Filtek supreme ultra (FSU) (3M ESPE), IPS empress direct (EMD) (Ivoclar Vivadent), estelite sigma quick (SQK) (Tokuyama Dental), and Z100 (3M ESPE). Cross-sectional images of different composite-demineralized phantoms (n = 108) were collected using a 1310-nm intraoral cross-polarization swept source OCT (CP-OCT) imaging system. {\%}T quantified the CP-OCT signal attenuation. Scanning electron microscopy, transmission electron microscopy, and energy-dispersive x-ray spectrometer chemical analysis was utilized to determine how different matrix/filler compositions affected attenuation of the near infrared (NIR) signal. CP-OCT imaging of dental resin composites showed enormous variation in signal attenuation. For each of our composite systems, there was not a consistent attenuation difference in the NIR signal for A to D shades. The four composites had similar measured backscattering values but attenuated the overall signal to different degrees. When comparing the A2 shades between the four different composite systems, the order of highest to lowest of {\%}T was EMD > Z100, FSU > SQK (ANOVA, Tukey, p < 0.0001). As a result, we demonstrate the importance of understanding how the constituents of composite materials affect CP-OCT signal attenuation.",
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AU - Jones, Robert S

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