Tensile and tear properties of dental dam

Timothy Svec, John M. Powers, G. David Ladd, Trenholm N. Meyer

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The tensile and tear properties of highly extensible latex are sensitive to specimen shape. Three specimen shapes (ASTM D412 Die C dumbbell tensile specimen, rectangular tensile specimen with 1.74 mm hole, and ASTM D624 Die C tear specimen) were evaluated for proposed ANSI/ADA specification #90 for dental dams. Fresh and aged dental dams from two manufacturers (Aseptico and Hygenic) in three weights (thin, medium, and heavy) and from two other manufacturers (Ivory and Ivoclar) in one weight (medium) were tested. Means and standard deviations of 10 specimens for tensile strength (MPa), elongation (%), and tear strength (kN/m) are included herein. Data were analyzed by analysis of variance. Means were compared by a Tukey-Kramer interval calculated at the 0.05 significance level. The use of the dumbbell and tear specimens for the evaluation of dental dam should be reconsidered. The rectangular specimen with a hole is recommended for use in the proposed specification because of its sensitivity to condition (fresh versus aged) and manufacturer.

Original languageEnglish (US)
Pages (from-to)253-256
Number of pages4
JournalJournal of Endodontics
Volume22
Issue number5
StatePublished - 1996
Externally publishedYes

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Tears
Tooth
Weights and Measures
Tensile Strength
Latex
Analysis of Variance

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Svec, T., Powers, J. M., David Ladd, G., & Meyer, T. N. (1996). Tensile and tear properties of dental dam. Journal of Endodontics, 22(5), 253-256.

Tensile and tear properties of dental dam. / Svec, Timothy; Powers, John M.; David Ladd, G.; Meyer, Trenholm N.

In: Journal of Endodontics, Vol. 22, No. 5, 1996, p. 253-256.

Research output: Contribution to journalArticle

Svec, T, Powers, JM, David Ladd, G & Meyer, TN 1996, 'Tensile and tear properties of dental dam', Journal of Endodontics, vol. 22, no. 5, pp. 253-256.
Svec T, Powers JM, David Ladd G, Meyer TN. Tensile and tear properties of dental dam. Journal of Endodontics. 1996;22(5):253-256.
Svec, Timothy ; Powers, John M. ; David Ladd, G. ; Meyer, Trenholm N. / Tensile and tear properties of dental dam. In: Journal of Endodontics. 1996 ; Vol. 22, No. 5. pp. 253-256.
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