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ORIGINAL RESEARCH Table of Contents   
Year : 2013  |  Volume : 24  |  Issue : 6  |  Page : 745-749
Effect of light-cured filled sealant on the shear bond strength of metal, ceramic and titanium brackets bonded with resin-modified glass ionomer cement


Departments of Orthodontics and Dentofacial Orthopaedics, Himachal Dental College, Sundernagar, District Mandi, Himachal Pradesh, India

Correspondence Address:
Vivek Mahajan
Departments of Orthodontics and Dentofacial Orthopaedics, Himachal Dental College, Sundernagar, District Mandi, Himachal Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9290.127625

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Introduction: The purpose of this study was to evaluate the effect of a highly filled light-cured sealant (HFLCS) on the shear bond strength of metal, ceramic and titanium brackets bonded with resin-modified glass ionomer cement (RMGIC). Materials and Methods: A total of 60 freshly extracted maxillary premolars were randomly divided into six groups (10 in each group). In all groups, the teeth were etched with 37% phosphoric acid for 20 s and RMGIC (Fuji Ortho LC, GC Europe) was used for bracket bonding. Group 1: Titanium brackets were bonded directly to etched enamel surfaces. Group 2: Titanium brackets were bonded to etched enamel surfaces covered with HFLCS (Pro Seal, Reliance Orthodontic Products, Itasca, IL, USA). Group 3: Metal brackets were bonded directly to etched enamel surfaces. Group 4: Metal brackets were bonded to etched enamel surfaces covered with HFLCS. Group 5: Ceramic brackets were bonded directly to etched enamel surfaces. Group 6: Ceramic brackets were bonded to etched enamel surfaces covered with HFLCS. The specimens were tested in shear mode with a universal testing machine. After debonding, the teeth and the brackets were examined under a scanning electron microscope. Univariate analysis of variance (analysis) was performed to test the main effects of bracket type and HFLCS. Result and Conclusion: The effect of HFLCS on etched enamel surfaces did not affect the bond strength values and bond failure modes of metal, ceramic and Titanium brackets bonded with RMGIC


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