Comparison of Microleakage under Orthodontic Brackets with Transbond XT and Resin Modified Glass Ionomer Cement.
Journal Title: International Journal of Dental Science and Innovative Research (IJDSIR) - Year 2019, Vol 2, Issue 3
Abstract
Introduction:Most common problem associated with bonding of Orthodontic attachment to hypo/demineralized teeth is excessive microleakage with subsequent formation of White Spot Lesions (WSL). Hence, aim of the present study was to assess effectiveness of Resin Modified Glass Ionomer Cement (RMGIC) for bonding Orthodontic attachment to hypo/demineralized teeth. Materials and methods: 100 extracted human premolars were collected and divided into four groups. Teeth in Group B1 and B2 were immersed in demineralizing solution for 16 weeks. Teeth in group A1 and B1 were bonded with Transbond XT whereas teeth in the group A2 and B2 were bonded with Resin Modified Glass Ionomer Cement (RMGIC). After bracket bonding, teeth were sealed with nail varnish, subjected to dye penetration using 0.5% Basic fuchsine for 24 hours and sectioned. Microleakage assessment was done using stereomicroscope at enamel-adhesive interface at both occlusal and gingival margins. One way ANOVA was performed for intergroup comparison (p<0.05). Comparison of all four groups was done using post hoc analysis. Results: Sound teeth bonded with RMGIC showed least amount of microleakage at enamel-adhesive interface at both gingival and occlusal side (p>0.05). Maximum amount of microleakage was observed in demineralized teeth bonded with Transbond XT. Conclusion: Use of RMGIC for bonding of Orthodontic attachment to the demineralized enamel surfaces of the teeth can be effectively used to prevent microleakage and subsequent formation of White Spot Lesions.
Authors and Affiliations
Dr Sheetal Jankare
Keywords
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