Pulpal pressure and bond strengths of SuperBond and Gluma.

L. Tao, J. Tagami, David Henry Pashley

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

The effects of storage under a simulated pulpal pressure on the shear bond strength of SuperBond and Gluma were evaluated using extracted, unerupted human teeth. Also evaluated was the effect of dentin position both vertically (i.e., superficial versus deep) and horizontally (center versus pulp horns) in the presence or absence of a pulpal pressure. Thirty-two cm of H2O pressure had no effect on the 24 hour shear bond strength of SuperBond C & B. There was also no significant difference in the bond strength of SuperBond to superficial versus deep dentin or central dentin versus dentin directly over pulp horns. The bond strengths of SuperBond ranged from 16.3-19.1 MPa. Gluma bonds were less than half as strong as those obtained with SuperBond C & B. Although there was no effect of dentin position on Gluma bond strength, in the presence of a pulpal pressure, the strength of the bonds fell in deep dentin especially over pulp horns. This testing protocol may prove of value in screening new dentin bonding systems.

Original languageEnglish (US)
Pages (from-to)73-76
Number of pages4
JournalAmerican Journal of Dentistry
Volume4
Issue number2
StatePublished - Apr 1 1991

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Dentin
Pressure
Horns
Shear Strength
Unerupted Tooth
Gluma

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Tao, L., Tagami, J., & Pashley, D. H. (1991). Pulpal pressure and bond strengths of SuperBond and Gluma. American Journal of Dentistry, 4(2), 73-76.

Pulpal pressure and bond strengths of SuperBond and Gluma. / Tao, L.; Tagami, J.; Pashley, David Henry.

In: American Journal of Dentistry, Vol. 4, No. 2, 01.04.1991, p. 73-76.

Research output: Contribution to journalArticle

Tao, L, Tagami, J & Pashley, DH 1991, 'Pulpal pressure and bond strengths of SuperBond and Gluma.', American Journal of Dentistry, vol. 4, no. 2, pp. 73-76.
Tao, L. ; Tagami, J. ; Pashley, David Henry. / Pulpal pressure and bond strengths of SuperBond and Gluma. In: American Journal of Dentistry. 1991 ; Vol. 4, No. 2. pp. 73-76.
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