Abstract
The aim of this study is to evaluate the long-term bond strength to superficial or deep dentin of dentin pretreatment with 2.5% or 4% titanium tetrafluoride (TiF4) or when incorporated into a primer of a two-step self-etching adhesive system (Clearfil SE Bond/ CL). Fifty sound third molars will be sectioned in their longa axis to obtain two slices of each tooth to be embedded and flattene…