Factors affecting use of fluorescent agents in identification of resin-based polymers

Paulo H.P. D'Alpino, José Carlos Pereira, Nádia R. Svizero, Frederick Rueggeberg, David Henry Pashley

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Purpose: The present study is a compilation of methodologies developed in order to evaluate the effects of addition of a fluorescent agent, rhodamine B, to resin-based materials. The intent of the work was to develop a systematic methodology that accounts for variables not shown to be of concern in past testing, but may significantly affect interpretation of the resulting images and material properties. Materials and Methods: Different methodologies were specifically developed to evaluate factors affecting the use of the fluorescent agent rhodamine B in the identification of resin-based materials. The influence of dye concentration was evaluated with respect to adhesive polymerization reaction kinetics and bond strength of the resin into which the dye is added. The pH of the dye-solvent solution was also considered. Additionally, the mass and percentage of rhodamine B leached into different media over time was determined. Results: It was demonstrated that a specific dye must be used with caution, and the concentration of a fluorescent agent is important with respect to both the conversion and bond strength of the resin to which the dye is added. An alcohol-based dye solution also produced an extremely high amount of dye leaching from polymerized specimens. The adhesive pH was not altered. Conclusion: The standardized methodology developed here to analyze restoration interfaces using a fluorescent dye can lessen the impact of variables when interpreting results.

Original languageEnglish (US)
Pages (from-to)285-292
Number of pages8
JournalJournal of Adhesive Dentistry
Volume8
Issue number5
StatePublished - Nov 2 2006

Fingerprint

rhodamine B
Fluorescent Dyes
Polymers
Coloring Agents
Adhesives
Polymerization
Alcohols

Keywords

  • Dental adhesives
  • Fluorescence microscopy
  • Fluorescent dyes

ASJC Scopus subject areas

  • Orthodontics
  • Oral Surgery
  • Periodontics

Cite this

D'Alpino, P. H. P., Pereira, J. C., Svizero, N. R., Rueggeberg, F., & Pashley, D. H. (2006). Factors affecting use of fluorescent agents in identification of resin-based polymers. Journal of Adhesive Dentistry, 8(5), 285-292.

Factors affecting use of fluorescent agents in identification of resin-based polymers. / D'Alpino, Paulo H.P.; Pereira, José Carlos; Svizero, Nádia R.; Rueggeberg, Frederick; Pashley, David Henry.

In: Journal of Adhesive Dentistry, Vol. 8, No. 5, 02.11.2006, p. 285-292.

Research output: Contribution to journalArticle

D'Alpino, PHP, Pereira, JC, Svizero, NR, Rueggeberg, F & Pashley, DH 2006, 'Factors affecting use of fluorescent agents in identification of resin-based polymers', Journal of Adhesive Dentistry, vol. 8, no. 5, pp. 285-292.
D'Alpino, Paulo H.P. ; Pereira, José Carlos ; Svizero, Nádia R. ; Rueggeberg, Frederick ; Pashley, David Henry. / Factors affecting use of fluorescent agents in identification of resin-based polymers. In: Journal of Adhesive Dentistry. 2006 ; Vol. 8, No. 5. pp. 285-292.
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