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Year : 2018  |  Volume : 6  |  Issue : 4  |  Page : 78-80

Assessment of orthodontic brackets for the shear bond strength bonded with and without primer: In vitro study

1 Department of Orthodontics, Al Badar Rural Dental College and Hospital, Kalaburagi, India
2 Consultant Orthodontist, Shifa Hospital, Bengaluru, Karnataka, India
3 Department of Endodontics, Aditya Dental College, Beed, India
4 Consultant Orthodontist, Cherpulassery, Kerala, India
5 Department of Oral Medicine, AMEs Dental College and Hospital, Raichur, Karnataka, India

Correspondence Address:
Dr. Ayub Khan
Department of Orthodontics, Al Badar Rural Dental College and Hospital, Kalaburagi 585102, Karnataka.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/INJO.INJO_15_18

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Introduction: The elementary function of primer is to boost the efficiency of the final bond. Secondarily, they are also pronounced to protect the enamel from the consequent demineralization by the acid etching and to reduce marginal leakage. The use of primer adds a step in the bonding procedure, which necessitates increased chair time risk of moisture contamination and an increased procedural cost. Materials and Methods: Eighty extracted premolars were procured and divided into two groups, that is, a conventional adhesive system with and without primer. Later, acrylic blocks were made and the teeth were bonded and then the shear bond strength (SBS) was measured using a universal testing machine. Results: Group I (with primer) has the bond strength value of 10.22±2.4MPa and Group II (without primer) has the bond strength value of 9.11±1.596MPa. Conclusion: A conventional adhesive system with and without primer showed SBS in the range satisfactory for clinical usage.

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