To study the microtensile bond strengths and nanoleakage of low-shrinkage composite to dentin. The null hypotheses tested were (1) aging does not affect the bonding of low-shrinkage composite; (2) there is no difference in microtensile bond strengths and nanoleakage using different bonding strategies.
Department of Comprehensive Care, Case Western Reserve University, School of Dental Medicine, 10900 Euclid Avenue, Cleveland, OH 44106-4905, USA. sillas.duarte@case.edu