An In vitro Comparative Analysis of the Shear Bond Value of Sixth, Seventh and Eight Generation Dentin Bonding Agents.

Abstract

Objective: This study evaluates the shear bond strength (SBS) of 6^th, 7^th, and 8^th generation dentin bonding agents.

Materials and methods: Thirty extracted premolars were divided into three groups of 10. Group A used a 6^th generation bonding agent, Group B a 7^th generation bonding agent, and Group C a 8^th generation bonding agent. Each tooth was fixed in acrylic resin, sectioned to expose dentin, treated with the respective bonding agent, and built up with composite resin. SBS was assessed by universal testing machine.

Results: Highest shear bond value was illustrated by the 8^th generation bonding agent, with subsequent values progressively lower for the 7^th and 6^th generation bonding agents.

Conclusion: The 8^th generation bonding agents exhibit superior shear bond strength, suggesting enhanced dental restoration durability. Further clinical validation is recommended.