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KMID : 1149920130020010007
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Korean Journal of Limgual Orthodontics
2013 Volume.2 No. 1 p.7 ~ p.11
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A Consideration of the Self-adhesive Resin Cement as a Bonding Agent of the Lingual Appliance
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Lee Young-Gyu
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Abstract
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Purpose: In this article, the shear bond strength between conventional bonding resin and self-adhesive resin cement will be investigated.
Methods: Twenty premolars which were extracted, divided into 2 groups and lingual bracket is bonded to the prepared surface. The first group was bonded with conventional bonding resin and the next group was bonded with self-adhesive resin cement. 24 hours later, the brackets were placed in a testing machine and subjected to a shear force.
Results: Mean values of two groups were compared with Mann-Whitney U test. The mean shear bond strengths of the conventional bonding resin were 5.24 MPa and of the self-adhesive resin cement was 5.79MPa. The differences between the groups were not statistically significant (p>0.05).
Conclusions: Self-adhesive resin cement has good shear bonding strength compared to conventional orthodontic bonding resin and it would be suitable as an adhesive of the lingual bracket.
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KEYWORD
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Self-adhesive resin cement, Lingual bracket, Shear bonding strength
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