Bond strength of orthodontic brackets using different light and self-curing cements

Manuel Toledano, Raquel Osorio, Estrella Osorio, Alejandro Romeo, Blanca De La Higuera, Franklin Garcia-Godoy

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

The purpose of the study was to evaluate the shear bond strength of stainless steel orthodontic brackets directly bonded to extracted human premolar teeth. Fifty teeth were randomly divided into five groups: (1) System One (chemically cured composite resin), (2) Light Bond (light-cured composite resin), (3) Vivaglass Cem (self-curing glass ionomer cement), (4) Fuji Ortho LC (light-cured glass ionomer cement) used after 37% orthophosphoric acid-etching of enamel (5) Fuji Ortho LC without orthophosphoric acid-etching. The brackets were placed on the buccal and lingual surfaces of each tooth, and the specimens were stored in distilled water (24 hours) at 37°C and thermocycled. Teeth were mounted on acrylic block frames, and brackets were debonded using an Instron machine. Shear bond strength values at fracture (Nw) were recorded. ANOVA and Student-Newman-Keuls multiple comparison tests were performed (P < .05). Bonding failure site was recorded by stereomicroscope and analyzed by Chi-square test, selected specimens of each group were observed by scanning electron microscope. System One attained the highest bond strength. Light Bond and Fuji Ortho LC, when using an acid-etching technique, obtained bond strengths that were within the range of estimated bond strength values for successful clinical bonding. Fuji Ortho LC and Vivaglass Cem left an almost clean enamel surface after debracketing.

Original languageEnglish (US)
Pages (from-to)56-63
Number of pages8
JournalAngle Orthodontist
Volume73
Issue number1
StatePublished - Feb 1 2003

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Orthodontic Brackets
Tooth
Glass Ionomer Cements
Light
Shear Strength
Composite Resins
Dental Enamel
Cheek
Stainless Steel
Bicuspid
Chi-Square Distribution
Tongue
Analysis of Variance
Electrons
Students
Acids
Fuji Ortho LC
Water

All Science Journal Classification (ASJC) codes

  • Orthodontics

Cite this

Toledano, M., Osorio, R., Osorio, E., Romeo, A., De La Higuera, B., & Garcia-Godoy, F. (2003). Bond strength of orthodontic brackets using different light and self-curing cements. Angle Orthodontist, 73(1), 56-63.

Bond strength of orthodontic brackets using different light and self-curing cements. / Toledano, Manuel; Osorio, Raquel; Osorio, Estrella; Romeo, Alejandro; De La Higuera, Blanca; Garcia-Godoy, Franklin.

In: Angle Orthodontist, Vol. 73, No. 1, 01.02.2003, p. 56-63.

Research output: Contribution to journalArticle

Toledano, M, Osorio, R, Osorio, E, Romeo, A, De La Higuera, B & Garcia-Godoy, F 2003, 'Bond strength of orthodontic brackets using different light and self-curing cements', Angle Orthodontist, vol. 73, no. 1, pp. 56-63.
Toledano M, Osorio R, Osorio E, Romeo A, De La Higuera B, Garcia-Godoy F. Bond strength of orthodontic brackets using different light and self-curing cements. Angle Orthodontist. 2003 Feb 1;73(1):56-63.
Toledano, Manuel ; Osorio, Raquel ; Osorio, Estrella ; Romeo, Alejandro ; De La Higuera, Blanca ; Garcia-Godoy, Franklin. / Bond strength of orthodontic brackets using different light and self-curing cements. In: Angle Orthodontist. 2003 ; Vol. 73, No. 1. pp. 56-63.
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