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Influence of salivary contamination on the dentin bond strength of two different seventh generation adhesive systems:
Taranjeet Kaur Bhatia1, Hemant Asrani2, Harpreet Banga3
1Department of Conservative Dentistry and Endodontics, Chhattisgarh Dental College and Research Institute, Sundra, Rajnandgaon, Chhattisgarh, India.
Aim:
To investigate the effect of salivary contamination on the bond strength of two different seventh generation adhesive systems.
Materials And Methods:
Sixty caries-free human premolars with flat dentin surfaces were randomly divided into six groups of 10 teeth each and bonding was done using seventh-generation bonding agents Adper Easy One (3M ESPE) and Xeno V (Dentsply). Following the bonding procedure, resin composite was bonded to the surfaces using a plastic mould. The prepared specimen with composite cylinders attached were placed in 37°C distilled water for 24 h and then subjected to shear bond strength (SBS) with 0 h universal testing machine and the data were subjected to one-way analysis of variance and unpaired t-test.
Results:
Statistical significant difference between the Groups I, II and III in which Adper Easy One was used and similarly for Groups IV, V, and VI in which Xeno V was used. When an intergroup comparison was made using unpaired t-test Group II and Group V showed the nonsignificant difference.
Conclusion:
Salivary contamination significantly affects the SBS of both the seventh generation dentin bonding agents. However, 2-hydroxyethyl methacryate based adhesive has higher bond strength.
