Effects of surface conditioning on bond strength of metal brackets to all-ceramic surfaces

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Turk T., Saraç D., Sarac Y. Ş., Elekdağ Türk S. T.

EUROPEAN JOURNAL OF ORTHODONTICS, vol.28, no.5, pp.450-456, 2006 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 28 Issue: 5
  • Publication Date: 2006
  • Doi Number: 10.1093/ejo/cjl010
  • Journal Name: EUROPEAN JOURNAL OF ORTHODONTICS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.450-456
  • Ondokuz Mayıs University Affiliated: Yes

Abstract

The aim of this study was to determine the effectiveness of bonding brackets to ceramic restorations. Sixty feldspathic and 60 lithium disilicate ceramic specimens were randomly divided into six groups. Shear bond strength (SBS) and bond failure types were examined with six surface-conditioning methods: silane application to glazed surface, air particle abrasion (APA) with 25- and 50-mu m aluminium trioxide (Al2O3), etching with 9.6 per cent hydrofluoric acid (HFA), and roughening with 40- and 63-mu m diamond burs. Silane was applied to all roughened surfaces. Metal brackets were bonded with light cure composite, then stored in distilled water for 1 week and thermocycled (x500 at 5-55 degrees C for 30 seconds). The ceramic surfaces were examined with a stereomicroscope at a magnification of x10 to determine the amount of composite resin remaining using the adhesive remnant index.