Comparative analysis of pulpal circulatory reaction to an acetone-containing and an acetone-free bonding agent as measured by vitalmicroscopy

I. Iványi, Á E. Balogh, Á Fazekas, L. Rosivall, I. Nyárasdy

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Abstract

Despite great progress in the production of new dental polymers, application of these products is still controversial. The unlined utilization of cytotoxic adhesive materials on pulpal dentin can adversely influence the pulp, leading to alterations in local microcirculation that can be an early sign of pathological changes. In a previous study by the authors, the effect of an acetone-free bondmaterial was examined on the vascular diameter of pulpal vessels by means of vitalmicroscopy. In this study, experiments comparing experimental data provided by an acetone-containing bondmaterial to these earlier findings with acetone-free ones have been performed. Thirty male Sprague-Dawley rats (weighing 333±9 g) were used for this investigation. The first lower incisor was prepared for vitalmicroscopy. Changes in vessel diameter were recorded prior to and 5, 15, 30 and 60 minutes after the investigated materials (Scotchbond Multi-Purpose Dental Adhesive System or Prime & Bond 2.1) were administered on dentin as recommended by the manufacturer. In control rats (saline administration), the vessel diameter was stable during the experiment. In the presence of acetone-free bondmaterial (Scotchbond), the vessel diameter was increased during the experimental period in relation to the baseline (12.15±2.85%; 16.36±2.39%; 14.16±3.48%; 12.12±3.72%). In the presence of acetone-containing bondmaterial (Prime & Bond 2.1), a similar result was observed (10.56±2.27%; 16.13±2.94%; 17.88±2.54%; 14.54±3.16%). The differences between the control values and those registered with test groups were significant (p

Original languageEnglish
Pages (from-to)367-372
Number of pages6
JournalOperative Dentistry
Volume27
Issue number4
Publication statusPublished - Jul 2002

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Acetone
Dentin
Dental Cements
Incisor
Microcirculation
Adhesives
Blood Vessels
Sprague Dawley Rats
Tooth
Polymers

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Comparative analysis of pulpal circulatory reaction to an acetone-containing and an acetone-free bonding agent as measured by vitalmicroscopy. / Iványi, I.; Balogh, Á E.; Fazekas, Á; Rosivall, L.; Nyárasdy, I.

In: Operative Dentistry, Vol. 27, No. 4, 07.2002, p. 367-372.

Research output: Contribution to journalArticle

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