Tensile bond strength of ceramic orthodontic brackets bonded to porcelain surfaces. (Article, 2001) [WorldCat.org]
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Tensile bond strength of ceramic orthodontic brackets bonded to porcelain surfaces.
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Tensile bond strength of ceramic orthodontic brackets bonded to porcelain surfaces.

Author: I Kocadereli Affiliation: Faculty of Dentistry, Hacettepe University, Ankara, Turkey. ikocadereli@hotmail.com; S Canay; K Akça
Edition/Format: Article Article : English
Publication:American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 2001 Jun; 119(6): 617-20
Other Databases: WorldCatWorldCat
Summary:
The aim of this study was to compare various surface treatment methods to define the procedure that produces adequate bond strength between ceramic brackets and porcelain. The specimens used in this study, 60 porcelain tabs, were produced by duplication of the labial surface of a maxillary first premolar. The 6 different preparation procedures tested were: (1) sandblasting with 50 microm aluminum oxide in a  Read more...
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Details

Document Type: Article
All Authors / Contributors: I Kocadereli Affiliation: Faculty of Dentistry, Hacettepe University, Ankara, Turkey. ikocadereli@hotmail.com; S Canay; K Akça
ISSN:0889-5406
Language Note: English
Unique Identifier: 119913762
Awards:

Abstract:

The aim of this study was to compare various surface treatment methods to define the procedure that produces adequate bond strength between ceramic brackets and porcelain. The specimens used in this study, 60 porcelain tabs, were produced by duplication of the labial surface of a maxillary first premolar. The 6 different preparation procedures tested were: (1) sandblasting with 50 microm aluminum oxide in a sandblasting device, (2) application of silane to the porcelain and the bracket base, (3) sandblasting followed by application of silane, (4) acid etching with 9.6% hydrofluoric acid, (5) acid etching with 9.6% hydrofluoric acid followed by application of silane, and (6) sandblasting followed by application of 4-Meta adhesive. The ceramic brackets were bonded with no-mix orthodontic bonding material. A bonding force testing machine was used to determine tensile bond strengths at a crosshead speed of 0.5 mm per second. The results of the study showed that porcelain surface preparation with acid etching followed by silane application resulted in a statistically significant higher tensile bond strength (P < .05). Sandblasting the porcelain surface before silane treatment provided similar bond strengths, but sandblasting or acid etching alone were less effective. Silane application was recommended to bond a ceramic bracket to the porcelain surface to achieve bond strengths that are clinically acceptable.

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