Survival curves for all groups. Abbreviations: SEEBSy, self-etch with selective enamel etching and bulk in syringe; SETBSy, self-etch and bulk in syringe; SEEBCa, self-etch with selective enamel etching and bulk in capsule; SETBCa, self-etch and bulk in capsule; SEEIn, self-etch with selective enamel etching and incremental composite; SETIn, self-etch and incremental composite