Measurement of dentin permeability and wetness by use of the periotron device

C. Prati, R. Erickson, L. Tao, M. Simpson, David Henry Pashley

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The ability of the Periotron device to measure changes in dentin permeability and wetness was evaluated by use of extracted human teeth in vitro. Pulpal pressures were varied from zero to 40 cm H2O for simulation of different pulpal tissue pressures. Non-physiologic pulpal pressures of 703 cm H2O were used for comparison of dentin permeability measurements made with the Periotron device with those made using micropipettes. Measurements made with the Periotron device correlated well with methods used previously for measurement of dentin permeability. The shear bond strength of Scotchbond 2/Silux was measured 24 h after being bonded to dentin held at zero pulpal pressure. There was an inverse correlation between the shear bond strengths of Scotchbond 2/Silux and Periotron values, suggesting that increased wetness decreases the bond strength of that system. The Periotron device offers a new, simple, convenient measure of dentin surface wetness which may be useful in dentin bonding studies.

Original languageEnglish (US)
Pages (from-to)268-273
Number of pages6
JournalDental Materials
Volume7
Issue number4
DOIs
StatePublished - Jan 1 1991

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Dentin Permeability
Dentin
Bisphenol A-Glycidyl Methacrylate
Pressure
Shear Strength
Equipment and Supplies
Tooth
Tissue

ASJC Scopus subject areas

  • Materials Science(all)
  • Dentistry(all)
  • Mechanics of Materials

Cite this

Measurement of dentin permeability and wetness by use of the periotron device. / Prati, C.; Erickson, R.; Tao, L.; Simpson, M.; Pashley, David Henry.

In: Dental Materials, Vol. 7, No. 4, 01.01.1991, p. 268-273.

Research output: Contribution to journalArticle

Prati, C, Erickson, R, Tao, L, Simpson, M & Pashley, DH 1991, 'Measurement of dentin permeability and wetness by use of the periotron device', Dental Materials, vol. 7, no. 4, pp. 268-273. https://doi.org/10.1016/S0109-5641(05)80027-2
Prati, C. ; Erickson, R. ; Tao, L. ; Simpson, M. ; Pashley, David Henry. / Measurement of dentin permeability and wetness by use of the periotron device. In: Dental Materials. 1991 ; Vol. 7, No. 4. pp. 268-273.
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