Comparison of pulp responses to resin composites

P. E. Murray, L. Windsor, A. A. Hafez, R. G. Stevenson, C. F. Cox

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Diverse reports have described how various types of adhesive systems cause disastrous pulp necrosis, chronic severe inflammation or failure to stimulate any pulp reactions. This article reports on the effects of five common adhesive systems and how they compare in terms of pulp injury as measured by odontoblast survival or dentin regeneration and reactionary dentin formation. One hundred and thirty Class V pulp, non-exposed cavities were prepared in non-human primate teeth and were restored with five different adhesive systems. After a period of time between 3 and 172 days, the teeth were extracted, fixed, processed and examined histomorphometrically. Bacterial microleakage was detected with McKays stain and inflammation was categorized according to the International Organization for Standardization (ISO) criteria. The number of odontoblasts and the area of reactionary dentin were measured. Pulp reactions of all adhesive systems were generally minimal, although some systems permitted bacterial microleakage in 33% of restorations, and some other systems were associated with pulp inflammation in 22% of restorations. These observations suggest that adhesive systems provide acceptable biocompatibility, however, there is strong potential for improvement.

Original languageEnglish (US)
Pages (from-to)242-250
Number of pages9
JournalOperative Dentistry
Volume28
Issue number3
StatePublished - May 2003

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Composite Resins
Adhesives
Dentin
Odontoblasts
Inflammation
Tooth
Dental Pulp Necrosis
Primates
Regeneration
Coloring Agents
Wounds and Injuries

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Murray, P. E., Windsor, L., Hafez, A. A., Stevenson, R. G., & Cox, C. F. (2003). Comparison of pulp responses to resin composites. Operative Dentistry, 28(3), 242-250.

Comparison of pulp responses to resin composites. / Murray, P. E.; Windsor, L.; Hafez, A. A.; Stevenson, R. G.; Cox, C. F.

In: Operative Dentistry, Vol. 28, No. 3, 05.2003, p. 242-250.

Research output: Contribution to journalArticle

Murray, PE, Windsor, L, Hafez, AA, Stevenson, RG & Cox, CF 2003, 'Comparison of pulp responses to resin composites', Operative Dentistry, vol. 28, no. 3, pp. 242-250.
Murray PE, Windsor L, Hafez AA, Stevenson RG, Cox CF. Comparison of pulp responses to resin composites. Operative Dentistry. 2003 May;28(3):242-250.
Murray, P. E. ; Windsor, L. ; Hafez, A. A. ; Stevenson, R. G. ; Cox, C. F. / Comparison of pulp responses to resin composites. In: Operative Dentistry. 2003 ; Vol. 28, No. 3. pp. 242-250.
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