Evaluation of shear bond strength using three different types of adhesive primers under non-contaminated and contaminated conditions - An in vitro study

Abstract

Aim: This study was carried to evaluate whether SEP and MIP primers produce clinically acceptable shear bond strength when they are used to bond orthodontic brackets in both dry and wet environments.

Materials and Method: 105 extracted premolar teeth were used in this study. The teeth were divided into 7 groups of 15 teeth each. After bonding, all the samples were stored in distilled water at room temperature and bond strength was tested after 7 days by testing machine.

Results: Moisture insensitive primer and self-etch primer produces clinically acceptable shear bond strength in dry as well as moist environment.

Conclusion: SEP reduces the bonding steps by etching and priming simultaneously and saves the clinician's time. The only limitation of SEP is the cost effectiveness.