An approach to enhance the interface adhesion between an orthodontic plastic bracket and adhesive

Guoqiang Guan, Teruko Takano-Yamamoto, Manabu Miyamoto, Takashi Yamashiro, Haruhiro Noguchi, Kunio Ishikawa, Kazuomi Suzuki

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

For the purpose of improving the degree of success of plastic bracket bonding, based on the analysis of the chemical components of plastic brackets, a systematic method for the treatment of the adhesive surface of plastic brackets was introduced in this study. After sandblasting the adhesive surfaces of two commercially available plastic brackets (Spirit and Clear Bracket), a favourable surface treatment was obtained with the application of a silane coupling agent, γ-methacryloxy propyl trimethoxy silane. The findings showed that (i) the fillers added to the plastic brackets were glass fillers with Si-OH groups distributed on their surfaces; (ii) sandblasting of the bracket surface resulted in exposure of the glass fillers; (iii) combined with sandblasting, silane coupling treatment significantly increased the bond strength (P < 0.05), which was adequate to withstand the forces generated during orthodontic therapy; and (iv) treatment with sandblasting and silane coupling 24 hours before direct bonding did not cause a significant reduction in bond strength. It is concluded that sandblasting and silane coupling treatment offers the benefit of increasing the in vitro bond strength of plastic brackets for orthodontic application.

Original languageEnglish
Pages (from-to)425-432
Number of pages8
JournalEuropean Journal of Orthodontics
Volume23
Issue number4
DOIs
Publication statusPublished - Jan 1 2001

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Orthodontic Brackets
Dental Cements
Silanes
Plastics
Adhesives
Glass
Orthodontics

All Science Journal Classification (ASJC) codes

  • Orthodontics

Cite this

An approach to enhance the interface adhesion between an orthodontic plastic bracket and adhesive. / Guan, Guoqiang; Takano-Yamamoto, Teruko; Miyamoto, Manabu; Yamashiro, Takashi; Noguchi, Haruhiro; Ishikawa, Kunio; Suzuki, Kazuomi.

In: European Journal of Orthodontics, Vol. 23, No. 4, 01.01.2001, p. 425-432.

Research output: Contribution to journalArticle

Guan, G, Takano-Yamamoto, T, Miyamoto, M, Yamashiro, T, Noguchi, H, Ishikawa, K & Suzuki, K 2001, 'An approach to enhance the interface adhesion between an orthodontic plastic bracket and adhesive', European Journal of Orthodontics, vol. 23, no. 4, pp. 425-432. https://doi.org/10.1093/ejo/23.4.425
Guan, Guoqiang ; Takano-Yamamoto, Teruko ; Miyamoto, Manabu ; Yamashiro, Takashi ; Noguchi, Haruhiro ; Ishikawa, Kunio ; Suzuki, Kazuomi. / An approach to enhance the interface adhesion between an orthodontic plastic bracket and adhesive. In: European Journal of Orthodontics. 2001 ; Vol. 23, No. 4. pp. 425-432.
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