Effect of surface treatment and type of cement on the retentive strength of orthodontic bands on gold alloy crowns

Young Ah Youn, Yong Keun Lee, Dong-Yul Lee, Na Yeon Kim, Yong Kyu Lim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Introduction: The objective of this study was to evaluate the effect of surface treatment of gold alloy crowns and type of cement on the retentive strength of orthodontic bands cemented on gold alloy crowns. Methods: Two hundred eight crowns, made of type IV dental gold alloy, were divided into 16 groups based on surface treatment (C, no treatment; S, sandblasting; V, V-Primer; and S + V, sandblasting and V-Primer) and band cement (resin-modified glass ionomer cement, compomer, composite resin, and adhesive resin cement). Bands were cemented on the crowns, and tensile loads were applied to measure the retentive strength. Two-way analysis of variance (ANOVA) was performed for the retentive strength with the factors of surface treatment and type of cement, and the Scheffé multiple comparison test was performed as a post-hoc test (α = 0.05). Results: The retentive strength of the bands was influenced by surface treatment and type of cement, and there was significant interaction between the 2 variables based on 2-way ANOVA (P <.05). Resin-modified glass ionomer cement showed the highest retentive strength regardless of surface treatment (>1.26 MPa). Conclusions: Resin-modified glass ionomer cement is the most desirable cement for attaching a band to a gold alloy crown. When an adhesive resin cement is used, sandblasting of the gold crown is recommended.

Original languageEnglish
JournalAmerican Journal of Orthodontics and Dentofacial Orthopedics
Volume132
Issue number6
DOIs
Publication statusPublished - 2007 Dec 1

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Gold Alloys
Orthodontics
Crowns
Resin Cements
Glass Ionomer Cements
Analysis of Variance
Compomers
Dental Alloys
Composite Resins
Gold

ASJC Scopus subject areas

  • Orthodontics

Cite this

Effect of surface treatment and type of cement on the retentive strength of orthodontic bands on gold alloy crowns. / Youn, Young Ah; Lee, Yong Keun; Lee, Dong-Yul; Kim, Na Yeon; Lim, Yong Kyu.

In: American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 132, No. 6, 01.12.2007.

Research output: Contribution to journalArticle

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abstract = "Introduction: The objective of this study was to evaluate the effect of surface treatment of gold alloy crowns and type of cement on the retentive strength of orthodontic bands cemented on gold alloy crowns. Methods: Two hundred eight crowns, made of type IV dental gold alloy, were divided into 16 groups based on surface treatment (C, no treatment; S, sandblasting; V, V-Primer; and S + V, sandblasting and V-Primer) and band cement (resin-modified glass ionomer cement, compomer, composite resin, and adhesive resin cement). Bands were cemented on the crowns, and tensile loads were applied to measure the retentive strength. Two-way analysis of variance (ANOVA) was performed for the retentive strength with the factors of surface treatment and type of cement, and the Scheff{\'e} multiple comparison test was performed as a post-hoc test (α = 0.05). Results: The retentive strength of the bands was influenced by surface treatment and type of cement, and there was significant interaction between the 2 variables based on 2-way ANOVA (P <.05). Resin-modified glass ionomer cement showed the highest retentive strength regardless of surface treatment (>1.26 MPa). Conclusions: Resin-modified glass ionomer cement is the most desirable cement for attaching a band to a gold alloy crown. When an adhesive resin cement is used, sandblasting of the gold crown is recommended.",
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AU - Lim, Yong Kyu

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