Regional strengths of bonding agents to cervical sclerotic root dentin

Masahiro Yoshiyama, H. Sano, S. Ebisu, J. Tagami, B. Ciucchi, R. M. Carvalho, M. H. Johnson, D. H. Pashley

Research output: Contribution to journalArticle

170 Citations (Scopus)

Abstract

The regional bond strengths of three current-generation bonding systems (All Bond 2, Scotchbond Multi-Purpose, and Clearfil Liner Bond 2) were measured in natural wedge-shaped defects in the cervical area of extracted human teeth. A microtensile testing method was used to compare the strengths of resin bonds made to occlusal margins with those made to gingival margins. Controls consisted of normal teeth which had artificial wedge-shaped defects, of the same depth and dimension, created with a high-speed bur. The results indicated that there were no regional differences in bond strength, although bonds made to natural lesions were from 20 to 45% lower than those made to normal dentin in artificially created wedge-shaped defects, depending on the bonding agent. Scanning electron microscopy revealed that Clearfil Liner Bond 2 created the thinnest hybrid layers, which were difficult to measure in the natural lesions. The natural lesions contained sclerotic dentin, whereas the artificial lesions were composed of normal dentin. Although the bond strengths to sclerotic dentin were lower than those to normal dentin, the absolute values (ca. 16 to 17 MPa) were high relative to previous-generation bonding agents.

Original languageEnglish
Pages (from-to)1404-1413
Number of pages10
JournalJournal of Dental Research
Volume75
Issue number6
Publication statusPublished - 1996
Externally publishedYes

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Dentin
Tooth
Electron Scanning Microscopy
Clearfil Liner Bond 2

Keywords

  • Dentin bonding
  • Resin adhesion
  • Root dentin
  • Sclerotic dentin

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Yoshiyama, M., Sano, H., Ebisu, S., Tagami, J., Ciucchi, B., Carvalho, R. M., ... Pashley, D. H. (1996). Regional strengths of bonding agents to cervical sclerotic root dentin. Journal of Dental Research, 75(6), 1404-1413.

Regional strengths of bonding agents to cervical sclerotic root dentin. / Yoshiyama, Masahiro; Sano, H.; Ebisu, S.; Tagami, J.; Ciucchi, B.; Carvalho, R. M.; Johnson, M. H.; Pashley, D. H.

In: Journal of Dental Research, Vol. 75, No. 6, 1996, p. 1404-1413.

Research output: Contribution to journalArticle

Yoshiyama, M, Sano, H, Ebisu, S, Tagami, J, Ciucchi, B, Carvalho, RM, Johnson, MH & Pashley, DH 1996, 'Regional strengths of bonding agents to cervical sclerotic root dentin', Journal of Dental Research, vol. 75, no. 6, pp. 1404-1413.
Yoshiyama M, Sano H, Ebisu S, Tagami J, Ciucchi B, Carvalho RM et al. Regional strengths of bonding agents to cervical sclerotic root dentin. Journal of Dental Research. 1996;75(6):1404-1413.
Yoshiyama, Masahiro ; Sano, H. ; Ebisu, S. ; Tagami, J. ; Ciucchi, B. ; Carvalho, R. M. ; Johnson, M. H. ; Pashley, D. H. / Regional strengths of bonding agents to cervical sclerotic root dentin. In: Journal of Dental Research. 1996 ; Vol. 75, No. 6. pp. 1404-1413.
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