Effect of enamel prism orientation after irradiation with Er: YAG laser on bond strength

P. Senawongse, V. Sattabanasuk, Yasushi Shimada, M. Otsuki, J. Tagami

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The purpose of this study was to investigate the micro-shear bond strength of current adhesive systems to irradiated enamel surfaces with different orientation of enamel prism. Flat enamel discs with cross-cut and long-cut enamel prism were prepared from human third molars. The specimens were polished with 600 grit silicon carbide papers. Halves of specimens were further irradiated with Er:YAG laser with 200 mJ and 15 Hz. The non-irradiated and irradiated specimens were divided into two groups for bonding to Single Bond or Clearfil SE Bond. Small cylindrical composite resins (0.7 mm in diameter) were then bonded onto the bonded surfaces and cured. The micro-shear bond strength test was performed after 24 h storage on a universal testing machine. Statistical analysis was performed at α=0.05. The effect of laser irradiation, enamel prism orientation and adhesive systems on the bond strength were found at p<0.01. Bond to cross-cut enamel demonstrated higher bond strength than that to long-cut enamel. The application of laser demonstrated increasing of the bond strength significantly in the groups that bonded to long-cut enamel.

Original languageEnglish
Pages (from-to)167-170
Number of pages4
JournalInternational Congress Series
Volume1248
Issue numberC
DOIs
Publication statusPublished - May 1 2003
Externally publishedYes

Fingerprint

Solid-State Lasers
Dental Enamel
Shear Strength
Adhesives
Lasers
Third Molar
Composite Resins

Keywords

  • Bond strength
  • Enamel prism
  • Er:YAG laser

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Effect of enamel prism orientation after irradiation with Er : YAG laser on bond strength. / Senawongse, P.; Sattabanasuk, V.; Shimada, Yasushi; Otsuki, M.; Tagami, J.

In: International Congress Series, Vol. 1248, No. C, 01.05.2003, p. 167-170.

Research output: Contribution to journalArticle

Senawongse, P. ; Sattabanasuk, V. ; Shimada, Yasushi ; Otsuki, M. ; Tagami, J. / Effect of enamel prism orientation after irradiation with Er : YAG laser on bond strength. In: International Congress Series. 2003 ; Vol. 1248, No. C. pp. 167-170.
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