Bonding to root caries by a self-etching adhesive system containing MDPB

Junichi Doi, Toshiyuki Itota, Masahiro Yoshiyama, Franklin Chi Meng Tay, David H. Pashley

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Purpose: To evaluate the bonding of an experimental antibacterial fluoride-releasing adhesive system (ABF) to normal and carious dentin in human teeth with Class V root caries. Methods: Mesiodistal sectioning removed the buccal enamel, superficial dentin and much of the carious dentin in 21 extracted human bicuspids with root surface caries. The surfaces of normal coronal and root dentin, and caries-affected and caries-infected dentin were ground with wet 600-grit SiC paper to create a standardized smear layer. Tooth surfaces were treated with the ABF according to manufacturer's instructions, and then covered with excess resin composite. After immersion in 37°C water for 24 hours, the restored teeth were horizontally sectioned into serial slabs that were trimmed into hourglass shapes to isolate the bonded area to the test substrates, and then their bond strengths were measured by the microtensile bond test, and the interfaces examined by SEM and TEM. The bond strengths were statistically compared with ANOVA and Fisher's PLSD (P< 0.05). Results: The bond strengths of ABF to caries-affected and caries-infected dentin were significantly lower than those to normal coronal and root dentin. SEM micrographs revealed that the hybrid layers in caries-affected and caries-infected dentin were more porous compared to the hybrid layer in normal coronal and root dentin. TEM micrographs showed that bacteria that had invaded the dentin were embedded in this adhesive monomer in caries-infected dentin.

Original languageEnglish (US)
Pages (from-to)89-93
Number of pages5
JournalAmerican Journal of Dentistry
Volume17
Issue number2
StatePublished - Apr 1 2004

Fingerprint

Root Caries
Dentin
Adhesives
Tooth
Dental Caries
Smear Layer
Composite Resins
Cheek
Bicuspid
Immersion
Dental Enamel
Fluorides
Analysis of Variance

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Doi, J., Itota, T., Yoshiyama, M., Tay, F. C. M., & Pashley, D. H. (2004). Bonding to root caries by a self-etching adhesive system containing MDPB. American Journal of Dentistry, 17(2), 89-93.

Bonding to root caries by a self-etching adhesive system containing MDPB. / Doi, Junichi; Itota, Toshiyuki; Yoshiyama, Masahiro; Tay, Franklin Chi Meng; Pashley, David H.

In: American Journal of Dentistry, Vol. 17, No. 2, 01.04.2004, p. 89-93.

Research output: Contribution to journalArticle

Doi, J, Itota, T, Yoshiyama, M, Tay, FCM & Pashley, DH 2004, 'Bonding to root caries by a self-etching adhesive system containing MDPB', American Journal of Dentistry, vol. 17, no. 2, pp. 89-93.
Doi, Junichi ; Itota, Toshiyuki ; Yoshiyama, Masahiro ; Tay, Franklin Chi Meng ; Pashley, David H. / Bonding to root caries by a self-etching adhesive system containing MDPB. In: American Journal of Dentistry. 2004 ; Vol. 17, No. 2. pp. 89-93.
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