Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2020  |  Volume : 23  |  Issue : 2  |  Page : 141-144

Effect of mechanical alteration of enamel surface on shear bond strength of different bonding techniques


Department of Conservative Dentistry and Endodontics, Subharti Dental College and Hospital, Meerut, Uttar Pradesh, India

Correspondence Address:
Dr. Janvi Talan
Department of Conservative Dentistry and Endodontics, Subharti Dental College and Hospital, Swami Vivekanand Subharti University, NH-58, Delhi-Haridwar Bypass Road, Meerut - 250 005, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCD.JCD_163_19

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Aim: This study was conducted to evaluate the effect of mechanical alteration of enamel surface on shear bond strength in different bonding techniques. Materials and Methods: Seventy samples were fabricated and randomly divided into three groups: Group A (n = 30) – prepared enamel surfaces, Group B (n = 30) – unprepared enamel surfaces, and Group C (n = 10) – prepared enamel surfaces + etch and rinse which served as a control group. Group A and Group B were further divided into three subgroups (n = 10), sub-Group A1, B1 (nanohybrid composite + self-etch), sub-Group A2, B2 (self-adhering composite), and A3, B3 (self-adhering composite + self-etch). Teflon ring molds were used to make composite resin cylinders with the specific bonding protocol of each group. Shear bond strength testing was conducted, and data were analyzed. Results: Mean shear bond strength values were as follows: C> A1> A3>A2>B1> B3> B2. Conclusions: Prepared enamel surfaces resulted in higher shear bond strength values as compared to unprepared enamel surfaces. Prior application of self-etch agent resulted in higher shear bond strength values of self-adhering composite in prepared and unprepared enamel surfaces.


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