Evaluation Of Shear Bond Strength Of Two Dentin Bonding Agents With Two Desensitizers – An In-Vitro Study

Evaluation of Shear Bond Strength of Two Dentin Bonding Agents with Two Desensitizers – An In-Vitro Study

Authors

  • Dr.Vibha A. Dave
  • Dr. Prachi N. Joshi
  • Dr. Lalitagauri Mandke

Keywords:

2-hydroxyl ethyl methacrylate, glutaraldehyde, rewetting agents, shear bond strength

Abstract

Background & Objective: The aesthetic quality of a restoration may be as important to the mental health
of the patient as the biological and technical qualities of the restoration are to his physical or dental health. In
Conservative Dentistry; to mimic, repair and reconstruct the natural tooth structure for the long term, would be
based on the use of a restorative material retained only by an adhesive system, whether in load bearing or non-load
bearing environments. To achieve high strength, bonds between tooth structure and restorative materials have been
a long term goal of dental profession. Objective is to compare the shear bond strength of two different dentin
bonding agents with two different desensitizers. Methodology: Eighty molars were taken, which were ground to
expose dentin. The teeth were divided into two major groups. Each major group was subdivided into four subgroups
of 10 samples each. Groups Ia and IIa were treated as dry bonding groups, groups Ib and IIb were treated as moist
bonding groups, group Ic and IIc were rewetted with Gluma desensitizer, and groups Id and IId were rewetted with
Systemp® desensitizer. Major group I was treated with Gluma comfort bond and Charisma. Major group II was
treated with 3M ESPE Adperâ„¢ Single Bond 2 and 3M ESPE Filtekâ„¢ Z250. The samples were thermocycled and shear
bond test was performed using Instron machine. The data was analyzed using one-way analysis of variance and
Tukey’s significant different test. Results: The results revealed that the specimens rewetted with Gluma desensitizer
showed the higher shear bond strength compared to all other groups, irrespective of the bonding agent or composite
resin used. Conclusion: It can be concluded that the moist or rewetting technique could preserve the micromorphological
integrity of the collagen resulting in the optimum penetration of adhesive resin into the demineralized
layer, thus, giving higher bond strength. [Joshi P NJIRM 2016; 7(3):67 - 74]

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Published

2018-01-21

How to Cite

Dave, D. A., Joshi, D. P. N., & Mandke, D. L. (2018). Evaluation Of Shear Bond Strength Of Two Dentin Bonding Agents With Two Desensitizers – An In-Vitro Study: Evaluation of Shear Bond Strength of Two Dentin Bonding Agents with Two Desensitizers – An In-Vitro Study. National Journal of Integrated Research in Medicine, 7(3), 67–74. Retrieved from http://www.nicpd.ac.in/ojs-/index.php/njirm/article/view/1081

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